MX2007003523A - Methods of forming building wall systems and building wall systems. - Google Patents

Abstract

A method of forming a building wall system in the absence of building paper or housewrap that comprises providing a generally flat structural insulating sheathing. The sheathing comprises at least a first layer, a second layer and a third layer. The first and third layers comprises an alkenyl aromatic polymer foam. The second layer comprises paperboard. The insulating sheathing is fastened to the stud wall to form the building wall system such that a seal is formed that inhibits water from penetrating therethrough. The building wall system in the absence of building paper or housewrap passes the test requirements set forth in Section 1403.2 of the 2003 International Building Code.

Description

METHODS FOR BUILDING CONSTRUCTION WALL SYSTEMS AND CONSTRUCTION WALL SYSTEMS FIELD OF THE INVENTION The present invention is directed to methods for forming a system of building walls and building wall systems. More particularly, the present invention relates to methods for making a building wall system and building wall systems comprising at least three layers and being resistant to rain penetration.

BACKGROUND OF THE INVENTION The insulating material is used in the construction of buildings. Popular current insulating materials include foam boards that are frequently manufactured from a polystyrene polymer having a laminated outer coating or facing sheet. Foamed polystyrene boards have insulating properties associated therewith. The laminate coating functions primarily to protect the foamed polystyrene polymer and to provide the foam board with improved protection, durability, strength and resilience. To form a building wall system, each existing foamed polystyrene board can be installed with construction paper or housing wrap. Construction paper or housing wrap helps prevent or inhibit the penetration of rain. Construction paper or wrapping for houses is currently required if it is determined that the outer covering is not resistant to atmospheric inclemencies (eg, brick, stone, fiber, cement and tree trunk lining, wallcovering of vinyl, lining for aluminum walls or stucco). It would be desirable to have a method for forming a building wall system and a building wall system itself that resists water penetration and does not need construction paper or housing wrap, while still providing desirable properties.

BRIEF DESCRIPTION OF THE INVENTION According to one method, a system of building walls is formed in the absence of construction paper or housing wrap. An insulating, structural, generally planar coating is provided which comprises at least a first layer, a second layer and a third layer. The first layer comprises an aromatic alkenyl polymer foam. The second layer comprises cardboard. The third layer comprises an aromatic alkenyl polymer foam. A truss wall is provided. The insulating coating is secured to the framing wall to form the building wall system in such a manner that a seal is formed that inhibits the penetration of water therethrough. The building wall system in the absence of construction paper or housing wrapper exceeds the test requirements set forth in Section 1403.2 of the International Building Code 2003. According to another method, a building wall system is formed in the absence of construction paper or wrapping for houses. An insulating, structural, generally planar coating is provided which comprises at least a first foam layer, a second layer and a third foam layer. The first foam layer comprises a polyolefin, polyisocyanurate, polyurethane, polyester or combinations thereof. The second layer comprises cardboard. The third foam layer comprises a polyolefin, polyisocyanurate, polyurethane, polyester or combinations thereof. A truss wall is provided. The insulating coating is secured to the framing wall to form the building wall system in such a manner that a seal is formed that inhibits the penetration of water therethrough. The construction wall system in the absence of construction paper or housing wrapper exceeds the testing requirements set forth in Section 1403.2 of the 2003 International Construction Code., a construction wall system in the absence of construction paper or housing wrapper, comprises a framing wall and an insulating, structural, generally planar coating. The insulating, structural, generally planar coating comprises at least a first layer, a second layer and a third layer. The first layer comprises an aromatic alkenyl polymer foam. The second layer comprises cardboard. The third layer comprises an aromatic alkenyl polymer foam. The insulating coating is attached to the framing wall in such a way that a seal is formed which inhibits the penetration of water therethrough. The construction wall system in the absence of construction paper or housing wrapper exceeds the test requirements set forth in Section 1403.2 of the International Construction Code 2003. According to another method, a system of construction walls in the absence of paper construction or envelope for houses comprises a truss wall and an insulating, structural, generally flat coating. The insulating, structural, generally planar coating comprises at least a first layer, a second layer and a third layer. The first layer comprises a polyolefin, polyisocyanurate, polyurethane, polyester or combinations thereof. The second layer comprises cardboard. The third layer comprises a polyolefin, polyisocyanurate, polyurethane, polyester or combinations thereof. The insulating coating is attached to the framing wall in such a way that a seal is formed which inhibits the penetration of water therethrough. The construction wall system in the absence of construction paper or housing wrapper exceeds the test requirements set forth in Section 1403.2 of the International Building Code 2003. According to one embodiment, an insulating, structural lining suitable for use in a system of building walls comprises a first layer, a second layer and a third layer. The first layer comprises an aromatic alkenyl polymer foam. The second layer comprises cardboard. The third layer comprises an aromatic alkenyl polymer foam. The insulating coating has a flexural strength of at least 11,937 kg / cm2 (170 lb / pg2) measured in accordance with ASTM C 393, an R-value of at least 0.352 m2 ° C / Watt (2.0 (ft2) (° F ) (hr) / (BTU)) measured in accordance with ASTM C 518. According to another embodiment, an insulating, structural coating adapted for use in a building wall system comprises a first foam layer, a second layer and a third layer of foam. The first foam layer comprises a polyolefin, polyisocyanurate, polyurethane, polyester or combinations thereof. The second layer comprises cardboard. The third foam layer comprises a polyolefin, polyisocyanurate, polyurethane, polyester or combinations thereof. The insulating coating has a flexural strength of at least 11,937 kg / cm2 (170 lb / pg2) measured in accordance with ASTM C 393, an R-value of at least 0.352 m2 ° C / Watt (2.0 (ft2) (° F ) (hr) / (BTU)) measured in accordance with ASTM C 518.BRIEF DESCRIPTION OF THE DRAWINGS FIGURE 1 is a side view of a structural insulating coating according to one embodiment. FIGURE 2 is a side view of a structural insulating coating according to another embodiment. FIGURE 3 is a side view of a structural insulating coating according to an additional embodiment. FIGURE 4 is a perspective view of the structural insulating lining of FIGURE 1 being attached to a framing wall using nails according to one embodiment. FIGURE 5 is an enlarged view of generally circular shape of FIGURE 4. FIGURE 6 is a perspective view of the structural insulating coating of FIGURE 1 being attached to a truss wall using staples according to one embodiment.

DESCRIPTION OF ILLUSTRATIVE MODALITIES The present invention is directed to building wall systems and methods for forming building wall systems that are resistant to rain penetration. The present invention serves as a retarder of air filtration, a drainage plateau and eliminates the need for additional protection against atmospheric inclemencies, such as construction paper or housing wrap, to protect against the penetration of rain. The present invention eliminates the cost associated with the formation and installation of construction paper or housing wrap. With reference to FIGURE 1, an insulating, structural, generally planar liner 10 is shown according to one embodiment for use in the building wall systems of the present invention. The insulating, structural liner 10 comprises a first layer 12, a second layer 14 and a third layer 16. The second layer 14 of FIGURE 1 is located between the first layer 12 and the third layer 16. It is contemplated that the insulating coating may be including additional layers, as described below in conjunction with FIGURES 2 and 3. According to one embodiment, the first layer and the third layer 12, 16 comprise an aromatic alkenyl polymer foam. The term "alkenyl aromatic polymer" used herein includes polymers of aromatic hydrocarbon molecules containing an aryl group attached to an olefinic group with only double bonds in the linear structure, such as styrene, α-methylstyrene, o-methylstyrene, m-methylstyrene, p-methylstyrene, α-ethylstyrene, α-vinylxylene, α-chlorostyrene, α-bromostyrene and vinyl-toluene. Alkenyl aromatic polymers also include styrene homopolymers (commonly referred to as polystyrene), styrene-butadiene copolymers, and rubber-hardened polystyrene (commonly referred to as high-impact polystyrene or HIPS). The aromatic alkenyl polymer can be a oriented polystyrene (OPS). Another example of an alkenyl aromatic polymer foam is an extruded polystyrene foam. According to another embodiment, the first layer and the third layer 12, 16 of the insulating, structural lining 10 can be formed of extruded polyolefin foam resins. An example of an extruded polyolefin foam that can be used in forming the first layer and the third layer is an extruded polypropylene foam. It is contemplated that the polyolefin resins may be used in combinations with the alkenyl aromatic polymer resins. It is also contemplated that other foamed materials such as polyisocyanurate, polyurethanes and polyester can be used alone or in combinations with the polyolefins and alkenyl aromatic polymer foam resins. It is contemplated that the first layer and the third layer 12, 16 may be formed independently of different resins. The first layer and the third layer 12, 16 of the insulating, structural lining 10 can be formed by means of an extrusion process. It is contemplated that the first layer and the third layer can be formed by means of other processes. The thickness of each of the first layer and the third layer 12, 16 is generally from about 0.254 to about 2.54 centimeters (from about 0.1 to about 1 inch). More specifically, the thickness of each of the first layer and the third layer 12, 16 is generally from about 0.508 to about 1.27 centimeters (from about 0.20 to about 0.50 inches). The thicknesses of the first and third layers 12, 16 may be different. The densities of the first layer and the third layer 12, 16 are generally from about 160.18 to about 480.54 kg / m3 (from about 1 to about 3 lb / ft3) and, more specifically, from about 240.27 to about 320.36 kg / m3 ( from about 1.5 to about 2 lb / ft3). To increase the permeability of water vapor, it is contemplated that the first layer and the third layer may be perforated. The second layer 14 of the structural insulating coating 10 comprises cardboard. The term "cardboard" used in this document includes the broad classification of materials made from cellulosic fibers such as mainly wood pulp and recycled paper pulp in winding machines. The cardboard can be laminated paperboard consisting of a plurality of paper layers adhesively secured to each other. In this way, the second layer 14 can be comprised of several layers that can be different.

The cardboard can be, for example, kraft paper, gray cardboard, fibreboard and cardboard for coating. The kraft paper used in this document includes pulp, paper or cardboard produced from wood fibers using a sulphate process. The gray cardboard used in this document includes cardboard that has been made from recycled paper pulp. The fibreboard used in this document includes cardboard for containers and fibreboard. The fiber board can be made from a combination of chemical pulp and recycled paper pulp. The fiber board used in this document also includes defibrated wood that is formed under heat and pressure and without the use of adhesives. The carton can also be a combination of one or more of the following: laminated cardboard, kraft paper, gray cardboard, fibreboard and coated paperboard. The thickness of the second layer 14 of the structural insulating coating 10 is generally from about 0.127 to about 0.635 centimeters (from about 0.05 to about 0.25 inches) and, more specifically, from about 0.178 to about 0.318 centimeters (from about 0.07 to about 0.125 inches). ). It is contemplated that additional layers may be used to form the insulating coatings. It is contemplated that optional laminate surface coatings or coating sheets can be added to the insulating coating. Examples of insulating coatings with optional laminate surface coatings are shown in FIGURES 2 and 3. In FIGURE 2, a structural insulating coating 30 includes a laminated surface coating or optional veneer sheet 18 adjacent to and attached to the first layer 12. The liner 30 also includes a second layer 14 and a third layer 16 as described above. In FIGURE 3, a structural insulating liner 40 includes two facing sheets 18, 20 that are adjacent to and attached to the respective first layer and third layer 12, 16. The liner 40 also includes the second layer 14. In this manner, as shown in FIGURES 2 and 3, one or two coating sheets can be added to the first and / or third layer 12, 16. The optional laminate surface coatings or coating sheets 18, 20 can be made of such materials such as polyolefins, high impact impact polystyrenes (HIPS), polyester, metallized films, thin sheets of metal or combinations thereof. Examples of polyolefins that can be used to form the coating sheets include polypropylenes and polyethylenes. An example of laminated surface coatings or cladding sheets is a thin sheet of aluminum. It is contemplated that other materials may be used in the formation of the laminated surface coatings or optional coating plates. The thickness of the optional laminated surface coatings or coating sheets is generally from about 12.7 to about 76.2 microns (from about 0.5 to about 3 mils) and, more specifically, from about 17.78 to about 25.4 microns (from about 0.7 to about 1 milipulgada). The first layer 12, the second layer 14 and the third layer 16 forming the structural insulating coating 10 can be joined by means of several methods. For example, these layers can be bonded together using an adhesive such as polyvinyl acetate, polyurethane, polyvinyl alcohol or combinations thereof. It is contemplated that other adhesives may be used at the junction of these layers. Laminated surface coatings or optional veneers 18, 20 may be attached to the first layer and the third layer 12, 16 by the use of an adhesive. Examples of suitable adhesives include ethylene vinyl acetate (EVA), a mixture of EVA in polyethylene, ethylene vinyl alcohol (EVOH), block copolymers comprising styrene-rubber-styrene polymer regions such as KRATON ™ made by Shell Chemical Company and modified EVAs such as BYNEL ™ made by Dupont. Modified EVAs generally have rates of about 6.4 to about 25 g / 10 minutes as measured by AST D 1238 and densities from about 923 to about 947 kg / m 3 as measured by ASTM D 1505. It is contemplated that other adhesives may be used. adequate. The structural insulating coating 10 is a generally flat cardboard sheet that can be manufactured in a variety of sizes. Popular sizes in the housing market include a sheet of flat board of 122 x 244 cm (4 'x 8' (4 feet by 8 feet)) and a sheet of flat board of 122 x 274.5 cm (4 'x 9) '(4 feet by 9 feet)). According to one method, an insulating coating is provided, as depicted in FIGURE 1 with the structural insulating coating 10. The building wall system can be formed in the absence of a construction paper or housing wrap. In forming the building wall system, an insulating coating and a framing wall is provided. In FIGURE 4, for example, a construction wall system 60 is shown which includes the structural insulating coating 10, a framing wall 70 and fasteners (e.g., studs 80). The fasteners 80 connect the structural insulation lining 10 to the framing wall 70. According to one embodiment, the framing wall is made of wood. However, the truss wall can be made of metal. A specific example of a truss wall is a 2 x 4 wooden framework. It is contemplated that wall trusses of other dimensions can be used. The insulating coating is secured to the framing wall by, for example, nails, adhesive or staples. The nails are desirable because they improve the structural strength of the building wall system as measured by AST E 72-98 (Shear Load Section 14). An example of a nail that can be used is a roof nail that is 4,445 centimeters (1-3 / 4 inches) long. This nail desirably penetrates the third layer 16 of the structural insulating lining 10 in such a way that the nail head is located near or on the face of the second layer 14. It is desirable that the nail head be resting securely against the face of the second layer 14. For example, the nail head can be positioned in such a way that some of the foam is compressed between the nail and the face of the second layer 14. During the belay, the structural insulating coating and more specifically the first layer 12 of the structural insulating lining 10 forms an airtight seal (e.g., as using a gasket) against the trusses to prevent or inhibit the penetration of rain therethrough. It is desirable, although not necessary, that the nail be installed using a pneumatic nail gun to help properly position the nail and to improve the efficiency of the installation process. The securing of the insulating, structural coating can be done by means of staples. In FIGURE 6, for example, a building wall system 160 is shown which includes the structural insulating lining 10, a framing wall 70 and fasteners (e.g., staples 180). The staples desirably penetrate the third layer 16 of the structural insulating coating 10 such that the crown of the staple is located near or on the face of the second layer 14. It is desirable that the staple crown is resting securely against the face of the second layer 14. For example, the crown of the staple can be placed in such a way that some of the foam is compressed between the staple and the face of the second layer 14. During the assurance, the insulating coating and more specifically the first layer 12 of the structural insulating coating 10 forms a watertight seal (e.g., as using a gasket) against the trusses to prevent or inhibit the entry of rain therethrough. Staples are typically installed using a pneumatic staple gun to assist in the proper placement of the staple and to improve the efficiency of the installation process. In one method, the staples are generally placed perpendicular to the framing walls. The staples can be placed in other locations with respect to the framing walls including being perpendicular to the framing walls. It is also desirable to place the staples in such a manner that the edges of the foam do not protrude from the framing walls. The crown of the staples may vary in their dimensions but is generally from about 1111 to about 2.54 centimeters (from about 7/16 to about 1 inch). If the staples are usually placed perpendicular or placed perpendicular to the framing walls, then the staples are generally smaller in dimensions, such as 1,111 centimeters (7/16"), to help ensure that the staples are placed inside the staples. The framing walls The depth of the staples is generally from about 2.54 to about 4,445 centimeters (from about 1 to about 1 ¾ of an inch.) According to another embodiment, the insulating coating is attached to the framing wall using a general construction adhesive Examples of general construction adhesives include, but are not limited to, acrylics, urethanes and silicones Due to their protection against rain penetration, construction wall systems eliminate the need for protection additional against atmospheric inclemencies such as construction paper or wrapping for house s Building wall systems also eliminate the need to tape the joints formed between the adjacent insulating panel boards. In this way, methods for installing building wall systems do not necessarily need construction paper or housing wrap or stick with adhesive tape or seal the joints between adjacent insulating board boards. However, it is contemplated that this construction paper or housing wrap can be used or glued with adhesive tape. The insulating coating can be used in the framing walls that form residential or commercial constructions. Additionally, the insulating coatings can be used in a new construction or in the remodeling or refurbishment of existing structures. In a building, the insulating coverings are typically covered by an outer covering such as a wall, brick, stucco, stone and cement liner. The insulating coatings can be used with an outer covering that is not determined to be resistant to atmospheric inclemencies (for example, brick, stone, fiber, cement and tree trunk lining, vinyl wallcovering, wallcovering of aluminum or stucco). The methods for forming the building wall systems of the present invention exceed the testing requirements set forth in Section 1403.2 of the International Building Code 2003 entitled "eather Protection". Section 1403.2 of the 2003 International Construction Code mentions and incorporates ASTM E-331. ASTM E 331-00 is entitled "Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Difference". The building wall system forms a weather-resistant barrier that protects the interior wall cavity from water intrusion when demonstrating resistance to a wind-driven rain at a minimum differential pressure of 30,466 kg / m2 (6.24 lb / ft2 (0.297 kN / m2)) for two hours in accordance with Section 1403.2 of the International Building Code 2003. The pressure minimum differential of 30,466 kg / m2 (6.24 lb / ft2 (0.297 kN / m2)) correlates with a wind speed of approximately 80.46 kilometers per hour (kph) (50 miles per hour (mph)). Methods for forming building wall systems provide desirable structural strength measured in accordance with ASTM E 72-98 (Shear Load Section 14). By having this desired structural strength, additional building materials such as corner plywood, corner oriented chipboard (OSB), cross bracing of San Andres, cutter panels and corner fence with metal strip are not necessary. In this way, the corners in any building wall system remain better insulated because the insulating coating will be used instead of the additional construction material described above. The structural insulating coating generally has a flexural strength greater than at least 11,937 kg / cm2 (170 lb / pg2) and desirably greater than 15,799 kg / cm2 (225 lb / pg2) in accordance with ASTM C 393. The structural insulating coating more typically has a flexural strength greater than at least 21,065 kg / cm2 (300 lb / pg2) and desirably greater than 28,086 kg / cm2 (400 lb / pg2) in accordance with ASTM C 393. The generally flat structural insulating coating has desirably a permeability greater than 1 perm measured in accordance with ASTM E 96. The R value of the structural, generally planar insulating coating is generally greater than about 0.352 m2 ° C / Watt (2.0 (ft2) (° F) (hr) / ( BTU)) measured in accordance with ASTM C 518. It is contemplated that the R value of the generally flat structural insulating coating may be greater than 0.438 or 0.528 m2 ° C / Watt (2.5 or 3.0 (ft2) (° F) (hr) / (BTU)) measured in accordance with ASTM C 518.

EXAMPLES Comparative Example 1: The wood-frame wall system of Comparative Example 1 was evaluated in accordance with Section 1403.2 of the International Building Code 2003, which mentions and incorporates ASTM E 331-00 entitled "Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Difference ". Section 1403.2 of the International Construction Code 2003 establishes a minimum differential pressure of 30,466 kg / m2 (6.24 lb / ft2 (0.297 kN / m2)). Since this minimum differential pressure correlates with approximately 80.46 kilometers per hour (kph) (50 miles per hour (mph)), the test was performed using a wind speed of 80.46 kilometers per hour (50 miles per hour). The insulating coating comprised a flat extruded polystyrene foam board with polyethylene film facing sheets. The total size of the insulating coating was 121.92 cm (48") wide by 243.84 cm (96") high (121.92 centimeters by 243.84 centimeters (48 inches by 96 inches)) with a large sheet measuring 81.28 cm (32") wide by 243.84 cm (96") in height and a small sheet measuring 40.64 cm (16") in width by 243.84 cm (96") in height. The insulating coating had a total thickness of approximately 1.27 centimeters (½ ").

Specifically, the insulating liner had a 1.067 cm (0.42") thick extruded polystyrene foam board adhesively bonded to a 0.00508 cm (0.002") thick plastic cladding sheet on both sides. No tapes or reinforcement seals were used. The insulating lining was secured to a 2 x 4 Spruce-Pine-FirMR wood frame measuring 121.92 cm x 243.84 cm (48"x 96") with two 40.64 cm (16") vertical trusses in the center. The insulating coating was cut into two pieces - a large sheet measuring 81.28 cm (32") in width by 243.84 cm (96") in height and a small sheet measuring 40.64 cm (16") in width by 243.84 cm ( 96") These two pieces were joined together in one of the vertical trusses The insulating coating was secured to the wooden frame using nails with plastic head of 3.81 cm (1-1 / 2"), at 2.54 cm ( 1") of each corner and separated by 7.62 cm (3"), except in the vertical frame without a butt joint. The nails were separated by 15.24 cm (6"). As a result of this test according to Section 1403.2, a leak occurred in the nail perforations and the edges of the coating in Comparative Example 1.

Comparative Example 2: The wood-frame wall system of Comparative Example 2 was evaluated in accordance with Section 1403.2 of the International Building Code 2003, which mentions and incorporates ASTM E 331-00 entitled "Standard Test ethod for Water Penetration. of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Difference ". Section 1403.2 of the International Construction Code 2003 establishes a minimum differential pressure of 30,466 kg / m2 (6.24 lb / ft2 (0.297 kN / m2)). Since this minimum differential pressure correlates with approximately 80.46 kilometers per hour (kph) (50 miles per hour (mph)), the test was performed using a wind speed of 80.46 kilometers per hour (50 miles per hour). The insulating coating comprised a flat extruded polystyrene foam board with polyethylene film facing sheets. The total size of the insulating coating was 121.92 cm (48") wide by 243.84 cm (96") high (121.92 centimeters by 243.84 centimeters (48 inches by 96 inches)) with a large sheet measuring 81.28 cm (32") wide by 243.84 cm (96") in height and a small sheet measuring 40.64 cm (16") in width by 243.84 cm (96") in height. The insulating coating had a total thickness of approximately 1.27 centimeters (½ ").

Specifically, the insulating liner had a 1.067 cm (0.42") thick extruded polystyrene foam board adhesively bonded to a 0.00508 cm (0.002") thick plastic cladding sheet on both sides. No tapes or reinforcement seals were used. The insulating coating was secured to a 2 x 4 Spruce-Pine-FirMR wood frame that measured 121.92 cm x 243.84 cm (48"x 96") with two 40.64 cm (16") vertical trusses in the center. The insulating coating was cut into two pieces - a large sheet measuring 81.28 cm (32") in width by 243.84 cm (96") in height and a small sheet measuring 40.64 cm (16") in width by 243.84 cm ( 96") These two pieces were joined together in one of the vertical trusses The insulating coating was secured to the wooden frame using 1-1 / 2" clamps and 2.54 cm (1") crown , at 2.54 cm (1") from each corner and separated by 7.62 cm (3"), except in the vertical frame without a butt joint, the staples were separated by 15.24 cm (6"). As a result of this test according to Section 1403.2, a leak occurred in the staple perforations and the edges of the coating in Comparative Example 2.

Inventive Example 1: The wood-frame wall system of Inventive Example 1 was evaluated in accordance with Section 1403.2 of the International Building Code 2003, which mentions and incorporates AST E 331-00 entitled "Standard Test Method for Water Penetration" of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Difference ". Section 1403.2 of the International Construction Code 2003 establishes a minimum differential pressure of 30,466 kg / m2 (6.24 lb / ft2 (0.297 kN / m2)). Since this minimum differential pressure correlates with approximately 80.46 kilometers per hour (kph) (50 miles per hour (mph)), the test was performed using a wind speed of 80.46 kilometers per hour (50 miles per hour). The structural insulating coating was a flat extruded polystyrene foam board with a layer of laminated cardboard between it. The cardboard comprised five identical layers of kraft paper that were laminated together. The total size of the insulating coating was 121.92 cm (48") wide by 243.84 cm (96") high (121.92 centimeters by 243.84 centimeters (48 inches by 96 inches)) with a large sheet measuring 81.28 cm (32") wide by 243.84 cm (96") in height and a small sheet measuring 40.64 cm (16") in width by 243.84 cm (96") in height. The insulating liner had a total thickness of 1.27 centimeters (½ "). The insulating coating had two pieces of extruded polystyrene foam 0.508 cm (0.20") thick adhesively bonded to the respective sides of a panel. 0.241 cm (0.095") thick cardboard No reinforcing ribbons or seals were used The insulating coating was secured to a 2 x 4 Spruce-Pine-Fir wood frame measuring 121.92 cm x 243.84 cm (48" x 96 cm) ") (30.5 cm (foot)) with two 40.64 cm (16" (inches)) vertical trusses in the center. The insulating coating was cut into two pieces - a large sheet measuring 81.28 cm (32") in width by 243.84 cm (96") in height and a small sheet measuring 40.64 cm (16") in width by 243.84 cm ( 96") in height. These two pieces were joined together in one of the vertical trusses. The insulating coating was secured to the wooden frame using galvanized roof nails of 4,445 cm (1-3 / 4"), 2.54 cm (1") from each corner and separated by 7.62 cm (3"), except in the lattice. vertical without a butt joint, the nails were separated by 15.24 cm (6"). As a result of this test according to the Section 1403.2, a leak did not occur in Inventive Example 1.

Inventive example 2: The system of wood-framed walls of the Inventive Example 2 was evaluated in accordance with Section 1403.2 of the 2003 International Construction Code, which mentions and incorporates ASTM E 331-00 entitled "Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Difference". Section 1403.2 of the International Construction Code 2003 establishes a minimum differential pressure of 30,466 kg / m2 (6.24 lb / ft2 (0.297 kN / m2)). Since this minimum differential pressure correlates with approximately 80.46 kilometers per hour (kph) (50 miles per hour (mph)), the test was performed using a wind speed of 80.46 kilometers per hour (50 miles per hour). The structural insulating coating was a flat extruded polystyrene foam board with a layer of laminated cardboard between it. The cardboard comprised five identical layers of kraft paper that were laminated together. The total size of the insulating coating was 121.92 cm (48") wide by 243.84 cm (96") high (121.92 centimeters by 243.84 centimeters (48 inches by 96 inches)) with a large sheet measuring 81.28 cm (32") wide by 243.84 cm (96") in height and a small sheet measuring 40.64 cm (16") in width by 243.84 cm (96") in height. The insulating liner had a total thickness of 1.27 centimeters (½ "). The insulating coating had two pieces of extruded polystyrene foam 0.508 cm (0.20") thick adhesively bonded to the respective sides of a panel. 0.292 cm (0.115") thick cardboard, no ribbons or reinforcement seals were used.

The insulating coating was secured to a 2 x 4 Spruce-Pine-FirMR wood frame measuring 121.92 cm x 243.84 cm (48"x 96") (30.5 cm (foot)) with two 40.64 cm (16") vertical trusses ( inches)) in the center The insulating coating was cut into two pieces - a large sheet measuring 81.28 cm (32") wide by 243.84 cm (96") in height and a small sheet measuring 40.64 cm (16") ) width by 96"tall These two pieces were joined together in one of the vertical frames The insulating coating was secured to the wooden frame using SencoMR 16 gauge 4.445 cm (1-3 / 4") ) with a crown of 1111 cm (7/16") and a pneumatic securing system, staples secured at 7.62 cm (3") to the center on all edges and 15.24 cm (6") to the center in the field. The staples were installed at a depth where they were considered to be resting firmly on the cardboard layer of the liner with the insert. of this test under Section 1403.2, a leak did not occur in Inventive Example 2. While the present invention has been described with reference to one or more particular embodiments, those skilled in the art will recognize that many changes can be made to the same without departing from the spirit and scope of the present invention. It is contemplated that each of these modalities and obvious variations thereof are within the spirit and scope of the claimed invention, which is set forth in the following claims.

Claims (54)

1. CLAIMS 1. A method for forming a system of building walls in the absence of construction paper or housing wrap, the method is characterized in that it comprises the actions consisting of: providing a generally flat structural insulating coating comprising at least a first layer , a second layer and a third layer, the first layer comprises an aromatic alkenyl polymer foam, the second layer comprises cardboard and the third layer comprises an aromatic alkenyl polymer foam; provide a framing wall; and securing the insulating coating to the truss wall to form the building wall system in such a way that a seal is formed which inhibits the penetration of water therethrough, wherein the building wall system in the absence of paper construction or envelope for houses exceeds the testing requirements established in Section 1403.2 of the International Construction Code 2003.
2. 2. The method according to claim 1, characterized in that the wall of the framework comprises wood.
3. 3. The method according to claim 1, characterized in that the truss wall comprises metal.
4. 4. The method according to claim 1, characterized in that the securing of the insulating coating to the truss wall includes using a plurality of nails. The method according to claim 4, characterized in that each of the plurality of nails includes a head, each head of the plurality of nails in its installed position is located near or on the face of the second layer. The method according to claim 1, characterized in that the securing of the insulating coating to the truss wall includes using an adhesive. The method according to claim 1, characterized in that the securing of the insulating coating to the truss wall includes using a plurality of staples. The method according to claim 1, characterized in that the first layer and the third layer comprise a polystyrene foam. The method according to claim 8, characterized in that the first layer and the third layer have a density from about 160.18 to about 480.54 kg / m3 (from about 1 to about 3 lb / ft3). 10. The method according to claim 1, characterized in that the first layer and the third layer are made of the same aromatic alkenyl polymer. The method according to claim 1, characterized in that the thickness of each of the first layer and the third layer is from about 0.254 to about 2.54 cm (from about 0.1 to about 1 inch). The method according to claim 1, characterized in that the cardboard is a laminated cardboard material. The method according to claim 1, characterized in that the thickness of the second layer is from about 0.127 to about 0.635 cm (from about 0.05 to about 0.25 inches). The method according to claim 1, characterized in that the insulating coating further includes a first laminated surface covering, the first laminated surface covering being joined to the first layer. The method according to claim 14, characterized in that the insulating coating further includes a second laminated surface covering, the second laminated surface covering being joined to the third layer. The method according to claim 1, characterized in that the building wall system is formed in the absence of a tape and seals. 17. A method for forming a system of building walls in the absence of construction paper or housing wrap, the method is characterized in that it comprises the actions consisting of: providing a generally planar structural insulating coating comprising at least a first layer of foam, a second layer and a third foam layer, the first foam layer comprises a polyolefin, polyisocyanurate, polyurethane, polyester or combinations thereof, the second layer comprises cardboard and the third foam layer comprises a polyolefin, polyisocyanurate, polyurethane , polyester or combinations thereof; provide a framing wall; and securing the insulating coating to the truss wall to form the building wall system in such a way that a seal is formed which inhibits the penetration of water therethrough, wherein the system of building walls in the absence of paper construction or envelope for houses exceeds the testing requirements set forth in Section 1403.2 of the International Construction Code 2003. 18. The method according to claim 17, characterized in that the securing of the insulating coating to the truss wall includes using a plurality of nails The method according to claim 18, characterized in that each of the plurality of nails includes a head, each head of the plurality of nails in their installed position is located near or on the face of the second layer. The method according to claim 17, characterized in that the securing of the insulating coating to the truss wall includes using an adhesive. The method according to claim 17, characterized in that securing the insulating coating to the truss wall includes using a plurality of staples. 22. The method according to claim 17, characterized in that the first foam layer and the third foam layer are made of the same polyolefin, polyisocyanurate, polyurethane, polyester or combinations thereof. 23. The method according to claim 17, characterized in that the thickness of each of the first layer and the third layer is from about 0.254 to about 2.54 cm (from about 0.1 to about 1 inch). 24. The method according to claim 17, characterized in that the cardboard is a laminated cardboard material. 25. The method according to claim 17, characterized in that the thickness of the second layer is from about 0.127 to about 0.635 cm (from about 0.05 to about 0.25 inches). 26. The method according to claim 17, characterized in that the insulating coating further includes a first laminated surface covering, the first laminated surface covering is joined to the first layer. 27. The method according to claim 17, characterized in that the building wall system is formed in the absence of a tape and seals. 28. A system of building walls in the absence of construction paper or housing wrap, characterized in that it comprises: a framework wall; and a generally planar structural insulating coating comprising at least a first layer, a second layer and a third layer, the first layer comprises an aromatic alkenyl polymer foam, the second layer comprises cardboard and the third layer comprises an aromatic polymer foam of alkenyl, the insulating coating is attached to the framing wall in such a way that a seal is formed which inhibits the penetration of water through it, wherein the system of building walls in the absence of construction paper or housing wrapping it exceeds the test requirements established in Section 1403.2 of the 2003 International Construction Code. 29. The construction wall system according to claim 28, characterized in that the first layer and the third layer comprise a polystyrene foam. 30. The building wall system according to claim 28, characterized in that the first layer and the third layer have a density from about 160.18 to about 480.54 kg / m3 (from about 1 to about 3 lb / ft3). 31. The construction wall system according to claim 28, characterized in that the thickness of each of the first layer and the third layer is from about 0.254 to about 2.54 cm (from about 0.1 to about 1 inch). 32. The building wall system according to claim 28, characterized in that the cardboard is a laminated cardboard material. 33. The construction wall system according to claim 28, characterized in that the thickness of the second layer is from about 0.127 to about 0.635 cm (from about 0.05 to about 0.25 inches). 34. A system of building walls in the absence of construction paper or housing wrapper, characterized in that it comprises: a lattice wall; and a generally planar structural insulating coating comprising at least a first layer, a second layer and a third layer, the first layer comprising a polyolefin, polyisocyanurate, polyurethane, polyester or combinations thereof, the second layer comprising cardboard and the third layer comprising a polyolefin, polyisocyanurate, polyurethane, polyester or combinations thereof, the insulating coating is attached to the framing wall in such a way that a seal is formed which inhibits the penetration of water therethrough, wherein the wall system construction in the absence of construction paper or housing wrap exceeds the testing requirements set out in Section 1403.2 of the International Construction Code 2003. 35. The construction wall system according to claim 34, characterized in that the first layer of foam and the third layer of foam have a density of approximately 160.18 to approx immately 480.54 kg / m3 (from about 1 to about 3 lb / ft3). 36. The building wall system according to claim 34, characterized in that the thickness of each of the first foam layer and the third foam layer is from about 0.254 to about 2.54 cm (from about 0.1 to about 1 inch) ). 37. The system of construction walls according to claim 34, characterized in that the cardboard is a laminated cardboard material. 38. The construction wall system according to claim 34, characterized in that the thickness of the second layer is from about 0.127 to about 0.635 cm (from about 0.05 to about 0.25 inches). 39. A structural insulating coating adapted for use in a building wall system, the insulating coating is characterized in that it comprises a first layer, a second layer and a third layer, the first layer comprises an aromatic alkenyl polymer foam, the second one layer comprises cardboard and the third layer comprises an aromatic alkenyl polymer foam, wherein the insulating coating has a flexural strength of at least 11,937 kg / cm2 (170 lb / pg2) measured in accordance with ASTM C 393, a value of R of at least 0.352 m2 ° C / Watt (2.0 (ft2) (° F) (hr) / (BTU)) measured in accordance with ASTM C 518. The coating according to claim 39, characterized in that the Insulating coating has a flexural strength of at least 15,799 kg / cm2 (225 lb / pg2) measured in accordance with ASTM C 393. 41. The coating according to claim 40, characterized in that the insulating coating ne a flexural strength of at least 21,065 kg / cm2 (300 lb / pg2) measured in accordance with ASTM C 393. 42. The coating according to claim 39, characterized in that the insulating coating has an R value of at least 2.5 measured according to ASTM C 518. 43. The method according to claim 39, characterized in that the first layer and the third layer have a density from about 160.18 to about 480.54 kg / m3 (from about 1 to about 3 lb / foot3). 44. The method according to claim 39, characterized in that the thickness of each of the first layer and the third layer is from about 0.254 to about 2.54 cm (from about 0.1 to about 1 inch). 45. The coating according to claim 39, characterized in that the cardboard is a laminated cardboard material. 46. The coating according to claim 39, characterized in that the thickness of the second layer is from about 0.127 to about 0.635 cm (from about 0.05 to about 0.25 inches). 47. A structural insulating coating adapted for use in a building wall system, the insulating covering is characterized in that it comprises a first layer of foam, a second layer and a third foam layer, the first foam layer comprises a polyolefin, polyisocyanurate, polyurethane, polyester or combinations thereof, the second layer comprises cardboard and the third foam layer comprises a polyolefin, polyisocyanurate, polyurethane, polyester or combinations thereof, wherein the insulating coating has a flexural strength of at least 11,937 kg / cm2 (170 lb / pg2) measured in accordance with ASTM C 393, an R value of at least 0.352 m2 ° C / Watt (2.0 (ft2) (° F) (hr) / (BTU)) measured in accordance with ASTM C 518. 48. The coating according to claim 47, characterized in that the insulating coating has a flexural strength of at least 15,799 kg / cm2 (225 lb / pg2) measured in accordance with ASTM C 393. 49. The coating in accordance with the claim 47, characterized in that the insulating coating has a flexural strength of at least 21,065 kg / cm2 (300 lb / pg2) measured in accordance with ASTM C 393. 50. The coating according to claim 47, characterized in that the insulating coating it has an R value of at least 2.5 measured according to ASTM C 518. 51. The coating according to claim 47, characterized in that the first foam layer and the third foam layer have a density of about 160.18 to about 480.54 kg. / m3 (from about 1 to about 3 lb / ft3). 52. The coating according to claim 47, characterized in that the thickness of each of the first foam layer and the third foam layer is from about 0.254 to about 2.54 cm (from about 0.1 to about 1 inch). 53. The coating according to claim 47, characterized in that the cardboard is a laminated cardboard material. 54. The coating according to claim 1, characterized in that the thickness of the second layer is from about 0.127 to about 0.635 cm (from about 0.05 to about 0.2 inches).