US20190085554A1 - Construction Venting Strip - Google Patents
Construction Venting Strip Download PDFInfo
- Publication number
- US20190085554A1 US20190085554A1 US15/711,739 US201715711739A US2019085554A1 US 20190085554 A1 US20190085554 A1 US 20190085554A1 US 201715711739 A US201715711739 A US 201715711739A US 2019085554 A1 US2019085554 A1 US 2019085554A1
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- Prior art keywords
- strip
- construction
- venting
- degrees
- planar
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Links
- 238000010276 construction Methods 0.000 title claims abstract description 37
- 238000013022 venting Methods 0.000 title claims abstract description 33
- 229920000642 polymer Polymers 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims description 13
- 230000001070 adhesive effect Effects 0.000 claims description 13
- 238000009432 framing Methods 0.000 abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000035515 penetration Effects 0.000 abstract description 3
- 238000011176 pooling Methods 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 19
- 239000000463 material Substances 0.000 description 7
- 239000012528 membrane Substances 0.000 description 6
- 238000003491 array Methods 0.000 description 4
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- 239000004035 construction material Substances 0.000 description 3
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- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
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- 230000003466 anti-cipated effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
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Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02005—Construction of joints, e.g. dividing strips
- E04F15/02016—Construction of joints, e.g. dividing strips with sealing elements between flooring elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/665—Sheets or foils impervious to water and water vapor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/02—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation having means for ventilation or vapour discharge
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/15—Trimming strips; Edge strips; Fascias; Expansion joints for roofs
- E04D13/152—Trimming strips; Edge strips; Fascias; Expansion joints for roofs with ventilating means in soffits or fascias
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/12—Roof covering by making use of flexible material, e.g. supplied in roll form specially modified, e.g. perforated, with granulated surface, with attached pads
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02044—Separate elements for fastening to an underlayer
- E04F2015/0205—Separate elements for fastening to an underlayer with load-supporting elongated furring elements between the flooring elements and the underlayer
Definitions
- the present disclosure relates, in general, to construction materials, and more particularly to moisture avoidance and venting technology for use with conventional building framing methodology.
- the solution for this problem is to increase the rate at which air can be exchanged in these cavities so as the temperature drops, the warm moist air that was in the cavities is replaced with cooler ambient air that possesses a lower dew point that will not allow the condensation of moisture on the surrounding surfaces. This can be accomplished only where there is a clear pathway for the air to move.
- a construction venting strip with or without an edge guide locating flange is provided that can be utilized between framing members.
- a cutable construction venting strip that is sized to be used on dimensional lumber.
- the strip may or may not have an adhesive bottom face.
- a construction venting strip capable of being cut to conform to the angles commonly used in wood frame construction.
- a construction venting strip made of a high durometer polymer having both air and moisture vents and angular cut tracks is provided.
- a waterproof, crushproof strip or coil that is fabricated from a self sealing butyl style polymer that can serve a triple function as a thermal break, a water barrier and a ventilation channel, and is capable of being cut with a construction razor knife along a series of repeating preformed angular channels on the top face of the is strip is provided.
- FIG. 1 is a top view of the first embodiment construction venting strip with support cylinders (repeating patterned cylindrical arrays);
- FIG. 2 is a bottom view of the first embodiment construction venting strip
- FIG. 3 is a a side view of the first embodiment construction venting strip
- FIGS. 4-6 are end views of the of the first embodiment construction venting strip with and without mechanical fasteners
- FIG. 7 is a top-view of the second embodiment strip with support pads (uniform series of pads),
- FIG. 8 is a bottom view of the second embodiment construction venting strip
- FIG. 9 is a side view of the second embodiment construction venting strip
- FIGS. 10-12 are end views of the second embodiment construction venting strip with and without mechanical fasteners
- FIG. 13 is a top view of the third embodiment construction venting strip with support risers (with repeating patterned cutting channels);
- FIG. 14 is a bottom view of the third embodiment construction venting strip
- FIG. 15 is a side view of the third embodiment construction venting strip.
- FIGS. 16-18 are end views of the third embodiment construction venting strip with and without mechanical fasteners.
- the directional prepositions of up, upwardly, down, downwardly, front, back, top, upper, bottom, lower, left, right and other such terms refer to the device as it is oriented and appears in the drawings and are used for convenience only; they are not intended to be limiting or to imply that the device has to be used or positioned in any particular orientation.
- the present invention relates to a novel design for a low profile, construction venting strip 2 that is placed at an interface between framing members or materials that enclose space or form one of the walls to an adjacent enclosed void.
- the strip 2 provides five important functions. First, it acts as a conduit for the passage of air across it. Second, it prevents water from pooling and sitting on the surface of the underlying framing members. Third, it seals nail and screw penetrations passing through the strip and into the framing members. Fourth, it acts as a thermal break between adjacent materials. Lastly, it may be used as a furring strip or spacing strip/shim where an additional 1 ⁇ 4 inch of framing material is needed.
- the strip 2 is a linear length of polymer that has an overall uniform width and thickness dimensioned for the construction industry (multiples of 4 feet) and for use with dimensional lumber. It is intended to be affixed with mechanical or chemical fasteners between the strip and the construction elements, which may be framing members, siding, decking, furring strips or a plethora of other common construction elements. It is a planar strip having a width and length that corresponds to those commonly utilized in the construction industry. The length preferably is approximately 48 inches and the width is identical or slightly less than that width X ( FIGS. 6, 12 and 18 ) of standard 2 ⁇ lumber. ( FIGS. 6, 12 and 18 ) This width is approximately 11 ⁇ 2 inches plus or minus 1 ⁇ 8 inch.
- the strip 2 may be flangeless or have a locating flange 4 extending normally from one or both of the linear edges of the strip 2 below the bottom face 8 of the strip 2 .
- This locating flange 4 is used to quickly align the strip's horizontal axis with the horizontal axis of a 2 ⁇ dimensional board 6 by abutment of the inside of the flange 4 to the side of the board 6 at a linear edge of the board.
- the strip 2 may be fastened by screws 9 .
- With the strip dimensioned to 11 ⁇ 2 inches wide it is possible to secure a single board or two boards to the underlying framing board 6 , ( FIGS. 5, 6, 11, 12, 17 and 18 ) using a single underlying strip 2 . Where the strip 2 is not being affixed to dimensional lumber there would be no flange required.
- the strip 2 may have a waterproof membrane 10 affixed to its bottom face 8 by an adhesive tape strip (or layer) 12 affixed to the bottom face 8 of the strip.
- the waterproof strip 10 may be affixed by a liquid adhesive applied to the bottom face of the strip by spraying.
- the waterproof membrane 10 may be of a self-sealing polymer to minimize water intrusion at the mechanical fastener penetrations. (Such self-sealing membranes are well known in the roofing trades.)
- Other configurations may utilize double sided tape so as to provide adhesion where multiple strips 2 may have to be mounted (i.e. vertically) before horizontal siding can be affixed.
- the adhesive strip 12 may be a double faced adhesive strip affixed to the waterproof membrane 10 or a single faced adhesive strip bonded to the waterproof membrane 10 .
- a removable polymer film strip 26 (a peel-off liner strip) covering the second, bottom adhesive side.
- This is handy when securing strips 2 vertically and is used when the strip 2 is utilized between siding and wall sheeting.
- a locating flange as is seen in modified version of the first embodiment of FIG. 4 where there is no locating flange on either side of the strip 2 .
- the strip's primary purpose is to provide air passages across the framing interface where it is positioned. It does this by having some configuration of equal height support fins extending normally from the top face 13 ( FIG. 1 ) of the planar strip base 3 .
- the strip base is a linear polymer strip of a consistent width and thickness. Between these various styles of support fins there are air passages or channels 14 that allow air to migrate across the longitudinal axis of the strip 2 .
- This strip 2 has its support fins configured as cylindrical supports 16 arranged in a repeating, alternating pattern (patterned cylindrical arrays) across the face of the strip base 3 . Between these cylindrical supports 16 is the air and moisture vent 14 . Although, at first look the arrangement of the support fins appears to be random, a closer look reveals three linear cut paths on the strip base 3 across the width of the strip 2 that a knife can traverse to cut the strip 2 to a desired angle. The three cut paths are void of any support cylinders 16 .
- the first cut path 18 is at 45 degrees to the linear axis or either longitudinal edge of the strip 2 (as the two longitudinal edges of the strip are parallel.)
- the second cut path 20 is at 22.5 degrees
- the third cut path 22 is at 90 degrees or perpendicular to the linear axis of the strip 2 . These angles are the most common angles used in framing.
- support fins for this first embodiment depicted as circular cylindrical supports 16
- other cylindrical geometric configurations are envisioned such as rectangular, hexagonal, octagonal, and the like.
- the repeating pattern across the face of the strip is made of a shorter pattern that is mirrored about a perpendicular midpoint line 26 to the longitudinal axis of the strip lying along the midpoint of the repeating pattern.
- the first and second cut lines can extend 315 degrees and 337.5 degrees from the linear axis. This allows the strip to be cut at 45 and 22.5 degrees on either side of the midpoint line 26 as the strip 2 can only be used with the bottom face 8 in contact with the underlying framing members as seen in FIGS. 3-6 .
- this pattern is approximately 3 inches long with the midpoint line occurring at 11 ⁇ 2 inches from either end of the repeating pattern and incorporating 6 cut lines at 45 degrees, 22.5 degrees, 0 degrees, 0 degrees, 315 degrees and 337.5 degrees radially from the center of the midpoint line 26 , which is the center of the repeating pattern.
- this surface configuration offers more air passage.
- the amount of surface on the strip covered by support fins is greater than 30% and optimally approximately 30-40% leaving approximately 60-70% of the strip's surface area as an air and moisture vent 14 . While offering more air passage there is less lateral support to each of the support fins, and although made of the same durometer of the other strips 2 —this first embodiment is prone to crushing and a reduction in its thickness when under high point loads because of the sideways deformation (bending) of the individual support fins.
- This strip 2 has its support fins configured as support pads 28 (uniform series of equally spaced rectangular raised pads) extending upward from the top face of the strip base 3 .
- the pads are all identical in configuration, aligned in three linear rows, and the air and moisture vent 14 resides between all sides of adjacent support pads 28 . Since the pads are aligned there are cut troughs across the width of the base strip 3 before and after each pad.
- This embodiment has locating flanges 4 on either side of the strip 2 .
- This dual flange design necessitates that the width of the strip 2 between the inside faces of the two locating flanges 4 is a minimum of 11 ⁇ 2 inches so the strip 2 will lay flat on a standard 2 ⁇ dimensional joist.
- the surface area of the support fins (support pads 28 ) is at least 40% of the surface area of the strip base 3 with the optimal range of 40 to 50%.
- This strip has its support fins configured as support risers 30 (repeated patterned linear raised strips residing at an angle to the linear axis of the strip) arranged in a repeating, alternating pattern across the face of the strip base 3 . Between these support risers 30 is the air and moisture vent 14 . Although, at first look the arrangement of the support fins appears to be random, a closer look reveals three linear cut paths on the strip base 3 across the width of the strip 2 that a knife can traverse to cut the strip 2 to a desired angle. This is similar to those in the first embodiment. The three cut paths are clear channels between the support risers 30 .
- the first cut path 32 is at 45 degrees to the linear axis or either longitudinal edge of the strip 2 (as the two longitudinal edges of the strip are parallel.)
- the second cut path 34 is at 22.5 degrees
- the third cut path 36 is at 90 degrees or perpendicular to the linear axis of the strip 2 .
- This embodiment also utilizes a repeating, pattern across the face of the strip made of two identical patterns that are mirrored about a perpendicular midpoint line 40 to the longitudinal axis of the strip lying along the midpoint of the repeating pattern. By mirroring this pattern the first and second cut lines can extend 315 degrees and 337.5 degrees radially from the midpoint of the repeating pattern as in the first embodiment. This allows the strip to be cut at 45 and 22.5 degrees on either side of the midpoint line 40 .
- the surface area of the support fins (support risers 30 ) is at least 50% of the area of the strip base 3 .
- the strip 2 is placed atop an edge surface of a 2 ⁇ dimensional board 6 . If it has a locating flange 4 the strip 2 is positioned such that the inside face of the flange 4 contacts the outside face of the board 6 while the bottom face of the strip 2 contacts the edge face of the board.
- the strip 2 may be tacked down to hold it in place before the top board is placed atop the strip 2 and the mechanical fastener secured between all three elements. If the strip 2 has two locating flanges the process is the same. If the strip 2 has no flanges but instead an adhesive strip, the peel strip of film is removed form the strip 2 and the strip 2 is centered along the area of intended placement. Securement by mechanical fasteners may occur now or later upon placement of the top construction material.
- the strip 2 will be made of a polymer having excellent compression and deflection resistance. It will also have a high dielectric strength and as such will not utilize any type of conducting fillers. UV protection is not necessary because of their placement between framing members however it may be utilized in specific conditions such as on decking with spaced top boards. It will have a hardness between 50 and 100 on the Shore A Durometer scale, preferably between 60 and 80. This will be in the range of a tire tread or of a shoe heel. If the material is too hard, nails will bend before piercing through the strip 2 or the strip will shatter/split/chip when struck with a hammer or a framing member is dropped onto it. Especially if used during cold weather. If it is not hard enough it will tear or compress under load closing up the ventilation channels.
- the waterproof strip 10 will be made of butyl rubber mixed with bitumen to enable both the waterproof and self-sealing characteristics.
- the overall thickness of the strip 2 is approximately 1 ⁇ 4 inch and the thickness of the strip base is 3/32 of an inch.
- the remainder of the strip's thickness is the support fins.
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Abstract
Description
- A portion of the disclosure of this patent document contains material that is subject to copyright protection. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure as it appears in the Patent and Trademark Office patent file or records, but otherwise reserves all copyright rights whatsoever.
- The present disclosure relates, in general, to construction materials, and more particularly to moisture avoidance and venting technology for use with conventional building framing methodology.
- Trapped moisture between construction materials in buildings causes a plethora of different damages from mildew/mold development, wood rot, surface staining, loss of insulating capability and freeze expansion damage. Some of these damages occur in the short term, can be noticed and rectified, while others take time to manifest and cannot be rectified, rather require rebuilding.
- Air that is trapped in hollow cavities or that has very slow migration, often infiltrates these cavities as warm, moist air. As the temperatures drop and the surrounding materials cool, the dew point of the air decreases and the trapped air deposits its moisture as water (dew) onto these surfaces. This cycle is capable of repeating thus subjecting the materials to constant rewetting. This is ideal for both mold and mildew formation on the surfaces, and this is a common occurrence behind siding and in ceiling and floor joists cavities.
- The solution for this problem is to increase the rate at which air can be exchanged in these cavities so as the temperature drops, the warm moist air that was in the cavities is replaced with cooler ambient air that possesses a lower dew point that will not allow the condensation of moisture on the surrounding surfaces. This can be accomplished only where there is a clear pathway for the air to move.
- Henceforth, an improved building methodology that allows for sound tight construction yet incorporates air passages for ventilation purposes would fulfill a long felt need in the building construction industry. This new invention utilizes and combines known and new technologies in a unique and novel configuration to overcome the aforementioned problems and accomplish this.
- In accordance with various embodiments, a construction venting strip with or without an edge guide locating flange is provided that can be utilized between framing members.
- In one aspect, a cutable construction venting strip that is sized to be used on dimensional lumber is provided. In various embodiments, the strip may or may not have an adhesive bottom face.
- In another aspect, a construction venting strip is provided, capable of being cut to conform to the angles commonly used in wood frame construction.
- In yet another aspect, a construction venting strip made of a high durometer polymer having both air and moisture vents and angular cut tracks is provided.
- In yet another aspect, a waterproof, crushproof strip or coil that is fabricated from a self sealing butyl style polymer that can serve a triple function as a thermal break, a water barrier and a ventilation channel, and is capable of being cut with a construction razor knife along a series of repeating preformed angular channels on the top face of the is strip is provided.
- Various modifications and additions can be made to the embodiments discussed without departing from the scope of the invention. For example, while the embodiments described above refer to particular features, the scope of this invention also includes embodiments having different combination of features and embodiments that do not include all of the above described features.
- A further understanding of the nature and advantages of particular embodiments may be realized by reference to the remaining portions of the specification and the drawings, in which like reference numerals are used to refer to similar components.
-
FIG. 1 is a top view of the first embodiment construction venting strip with support cylinders (repeating patterned cylindrical arrays); -
FIG. 2 is a bottom view of the first embodiment construction venting strip; -
FIG. 3 is a a side view of the first embodiment construction venting strip; -
FIGS. 4-6 are end views of the of the first embodiment construction venting strip with and without mechanical fasteners; -
FIG. 7 is a top-view of the second embodiment strip with support pads (uniform series of pads), -
FIG. 8 is a bottom view of the second embodiment construction venting strip; -
FIG. 9 is a side view of the second embodiment construction venting strip; -
FIGS. 10-12 are end views of the second embodiment construction venting strip with and without mechanical fasteners; -
FIG. 13 is a top view of the third embodiment construction venting strip with support risers (with repeating patterned cutting channels); -
FIG. 14 is a bottom view of the third embodiment construction venting strip; -
FIG. 15 is a side view of the third embodiment construction venting strip; and -
FIGS. 16-18 are end views of the third embodiment construction venting strip with and without mechanical fasteners. - While various aspects and features of certain embodiments have been summarized above, the following detailed description illustrates at least on exemplary embodiment in further detail to enable one skilled in the art to practice such an embodiment. The described example is provided for illustrative purposes and is not intended to limit the scope of the invention.
- In the following description, for the purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the described embodiment/s. It will be apparent to one skilled in the art, however, that other embodiments of the present invention may be practiced without some of these specific details. While various features are ascribed to different embodiments, it should be appreciated that the features described with respect to one embodiment may be incorporated with other embodiments as well. By the same token, however, no single feature or features of any described embodiment should be considered essential to every embodiment of the invention, as other embodiments of the invention may omit such features.
- In this description, the directional prepositions of up, upwardly, down, downwardly, front, back, top, upper, bottom, lower, left, right and other such terms refer to the device as it is oriented and appears in the drawings and are used for convenience only; they are not intended to be limiting or to imply that the device has to be used or positioned in any particular orientation.
- Unless otherwise indicated, all numbers herein used to express quantities, dimensions, and so forth, should be understood as being modified in all instances by the term “about.” In this application, the use of the singular includes the plural unless specifically stated otherwise, and use of the terms “and” and “or” means “and/or” unless otherwise indicated. Moreover, the use of the term “including,” as well as other forms, such as “includes” and “included,” should be considered non-exclusive. Also, terms such as “element” or “component” encompass both elements and components comprising one unit and elements and components that comprise more than one unit, unless specifically stated otherwise.
- The present invention relates to a novel design for a low profile,
construction venting strip 2 that is placed at an interface between framing members or materials that enclose space or form one of the walls to an adjacent enclosed void. Thestrip 2 provides five important functions. First, it acts as a conduit for the passage of air across it. Second, it prevents water from pooling and sitting on the surface of the underlying framing members. Third, it seals nail and screw penetrations passing through the strip and into the framing members. Fourth, it acts as a thermal break between adjacent materials. Lastly, it may be used as a furring strip or spacing strip/shim where an additional ¼ inch of framing material is needed. - The
strip 2 is a linear length of polymer that has an overall uniform width and thickness dimensioned for the construction industry (multiples of 4 feet) and for use with dimensional lumber. It is intended to be affixed with mechanical or chemical fasteners between the strip and the construction elements, which may be framing members, siding, decking, furring strips or a plethora of other common construction elements. It is a planar strip having a width and length that corresponds to those commonly utilized in the construction industry. The length preferably is approximately 48 inches and the width is identical or slightly less than that width X (FIGS. 6, 12 and 18 ) of standard 2× lumber. (FIGS. 6, 12 and 18 ) This width is approximately 1½ inches plus or minus ⅛ inch. Thestrip 2 may be flangeless or have a locatingflange 4 extending normally from one or both of the linear edges of thestrip 2 below the bottom face 8 of thestrip 2. This locatingflange 4 is used to quickly align the strip's horizontal axis with the horizontal axis of a 2×dimensional board 6 by abutment of the inside of theflange 4 to the side of theboard 6 at a linear edge of the board. When in this position, thestrip 2 may be fastened by screws 9. With the strip dimensioned to 1½ inches wide, it is possible to secure a single board or two boards to the underlying framingboard 6, (FIGS. 5, 6, 11, 12, 17 and 18 ) using a singleunderlying strip 2. Where thestrip 2 is not being affixed to dimensional lumber there would be no flange required. - The
strip 2 may have awaterproof membrane 10 affixed to its bottom face 8 by an adhesive tape strip (or layer) 12 affixed to the bottom face 8 of the strip. (FIGS. 3, 4, 8, 9, 10, 15 and 16 ) Alternatively, thewaterproof strip 10 may be affixed by a liquid adhesive applied to the bottom face of the strip by spraying. Thewaterproof membrane 10 may be of a self-sealing polymer to minimize water intrusion at the mechanical fastener penetrations. (Such self-sealing membranes are well known in the roofing trades.) Other configurations may utilize double sided tape so as to provide adhesion wheremultiple strips 2 may have to be mounted (i.e. vertically) before horizontal siding can be affixed. Theadhesive strip 12 may be a double faced adhesive strip affixed to thewaterproof membrane 10 or a single faced adhesive strip bonded to thewaterproof membrane 10. Where the double faced adhesive strip is used without thewaterproof membrane 10 there is a removable polymer film strip 26 (a peel-off liner strip) covering the second, bottom adhesive side. In this way it can be peeled away to secure thestrip 2 to surfaces en masse before using a mechanical fastener. This is handy when securingstrips 2 vertically and is used when thestrip 2 is utilized between siding and wall sheeting. For this specific purpose there is no need for a locating flange as is seen in modified version of the first embodiment ofFIG. 4 where there is no locating flange on either side of thestrip 2. - The strip's primary purpose is to provide air passages across the framing interface where it is positioned. It does this by having some configuration of equal height support fins extending normally from the top face 13 (
FIG. 1 ) of theplanar strip base 3. The strip base is a linear polymer strip of a consistent width and thickness. Between these various styles of support fins there are air passages orchannels 14 that allow air to migrate across the longitudinal axis of thestrip 2. There are three various configurations of support fins utilized in the various embodiments. These support fin configurations may accommodate cutting of thestrip 2 at different angles or just perpendicular to the linear axis of thestrip 2. - Looking at
FIGS. 1-6 the first embodiment strip can best be explained. Thisstrip 2 has its support fins configured ascylindrical supports 16 arranged in a repeating, alternating pattern (patterned cylindrical arrays) across the face of thestrip base 3. Between thesecylindrical supports 16 is the air andmoisture vent 14. Although, at first look the arrangement of the support fins appears to be random, a closer look reveals three linear cut paths on thestrip base 3 across the width of thestrip 2 that a knife can traverse to cut thestrip 2 to a desired angle. The three cut paths are void of anysupport cylinders 16. Thefirst cut path 18 is at 45 degrees to the linear axis or either longitudinal edge of the strip 2 (as the two longitudinal edges of the strip are parallel.) In a similar fashion, thesecond cut path 20 is at 22.5 degrees, and thethird cut path 22 is at 90 degrees or perpendicular to the linear axis of thestrip 2. These angles are the most common angles used in framing. - Although the support fins for this first embodiment depicted as circular cylindrical supports 16 other cylindrical geometric configurations are envisioned such as rectangular, hexagonal, octagonal, and the like.
- The repeating pattern across the face of the strip is made of a shorter pattern that is mirrored about a
perpendicular midpoint line 26 to the longitudinal axis of the strip lying along the midpoint of the repeating pattern. By mirroring this pattern the first and second cut lines can extend 315 degrees and 337.5 degrees from the linear axis. This allows the strip to be cut at 45 and 22.5 degrees on either side of themidpoint line 26 as thestrip 2 can only be used with the bottom face 8 in contact with the underlying framing members as seen inFIGS. 3-6 . In the preferred embodiment this pattern is approximately 3 inches long with the midpoint line occurring at 1½ inches from either end of the repeating pattern and incorporating 6 cut lines at 45 degrees, 22.5 degrees, 0 degrees, 0 degrees, 315 degrees and 337.5 degrees radially from the center of themidpoint line 26, which is the center of the repeating pattern. - The advantage of this surface configuration is that it offers more air passage. The amount of surface on the strip covered by support fins is greater than 30% and optimally approximately 30-40% leaving approximately 60-70% of the strip's surface area as an air and
moisture vent 14. While offering more air passage there is less lateral support to each of the support fins, and although made of the same durometer of theother strips 2—this first embodiment is prone to crushing and a reduction in its thickness when under high point loads because of the sideways deformation (bending) of the individual support fins. - Looking at
FIGS. 7-12 the second embodiment strip can best be explained. Thisstrip 2 has its support fins configured as support pads 28 (uniform series of equally spaced rectangular raised pads) extending upward from the top face of thestrip base 3. Here the pads are all identical in configuration, aligned in three linear rows, and the air andmoisture vent 14 resides between all sides ofadjacent support pads 28. Since the pads are aligned there are cut troughs across the width of thebase strip 3 before and after each pad. This embodiment has locatingflanges 4 on either side of thestrip 2. This dual flange design necessitates that the width of thestrip 2 between the inside faces of the two locatingflanges 4 is a minimum of 1½ inches so thestrip 2 will lay flat on a standard 2× dimensional joist. Here, the surface area of the support fins (support pads 28) is at least 40% of the surface area of thestrip base 3 with the optimal range of 40 to 50%. - Looking at
FIGS. 13-18 the third embodiment strip can best be seen. This strip has its support fins configured as support risers 30 (repeated patterned linear raised strips residing at an angle to the linear axis of the strip) arranged in a repeating, alternating pattern across the face of thestrip base 3. Between thesesupport risers 30 is the air andmoisture vent 14. Although, at first look the arrangement of the support fins appears to be random, a closer look reveals three linear cut paths on thestrip base 3 across the width of thestrip 2 that a knife can traverse to cut thestrip 2 to a desired angle. This is similar to those in the first embodiment. The three cut paths are clear channels between thesupport risers 30. Thefirst cut path 32 is at 45 degrees to the linear axis or either longitudinal edge of the strip 2 (as the two longitudinal edges of the strip are parallel.) In a similar fashion, thesecond cut path 34 is at 22.5 degrees, and thethird cut path 36 is at 90 degrees or perpendicular to the linear axis of thestrip 2. This embodiment also utilizes a repeating, pattern across the face of the strip made of two identical patterns that are mirrored about aperpendicular midpoint line 40 to the longitudinal axis of the strip lying along the midpoint of the repeating pattern. By mirroring this pattern the first and second cut lines can extend 315 degrees and 337.5 degrees radially from the midpoint of the repeating pattern as in the first embodiment. This allows the strip to be cut at 45 and 22.5 degrees on either side of themidpoint line 40. Here the surface area of the support fins (support risers 30) is at least 50% of the area of thestrip base 3. - In use, the
strip 2 is placed atop an edge surface of a 2×dimensional board 6. If it has a locatingflange 4 thestrip 2 is positioned such that the inside face of theflange 4 contacts the outside face of theboard 6 while the bottom face of thestrip 2 contacts the edge face of the board. Thestrip 2 may be tacked down to hold it in place before the top board is placed atop thestrip 2 and the mechanical fastener secured between all three elements. If thestrip 2 has two locating flanges the process is the same. If thestrip 2 has no flanges but instead an adhesive strip, the peel strip of film is removed form thestrip 2 and thestrip 2 is centered along the area of intended placement. Securement by mechanical fasteners may occur now or later upon placement of the top construction material. - In the preferred embodiment, the
strip 2 will be made of a polymer having excellent compression and deflection resistance. It will also have a high dielectric strength and as such will not utilize any type of conducting fillers. UV protection is not necessary because of their placement between framing members however it may be utilized in specific conditions such as on decking with spaced top boards. It will have a hardness between 50 and 100 on the Shore A Durometer scale, preferably between 60 and 80. This will be in the range of a tire tread or of a shoe heel. If the material is too hard, nails will bend before piercing through thestrip 2 or the strip will shatter/split/chip when struck with a hammer or a framing member is dropped onto it. Especially if used during cold weather. If it is not hard enough it will tear or compress under load closing up the ventilation channels. In the preferred embodiment thewaterproof strip 10 will be made of butyl rubber mixed with bitumen to enable both the waterproof and self-sealing characteristics. - In the preferred embodiment the overall thickness of the
strip 2 is approximately ¼ inch and the thickness of the strip base is 3/32 of an inch. The remainder of the strip's thickness is the support fins. With a durometer in the range of 60 to 80 on the Shore A Durometer scale and anticipated load pressures of 40 psi (as per the US Residential Building code) there will be negligent to minimal compression. However, with anticipated maximum point loads reaching 300-500 psi the.strip 2 with the support dot risers (patterned dot arrays) may compress to a thickness no less than 95% of its original thickness. 3/32 of an inch. This amount of compression is greater than the other two surface configurations not because of a lower durometer but because the ample space around each dot allows for the sideways deflection (bending) of each dot. Strips with support channel risers (repeated patterned cutting channels), and support pad risers (uniform series of pads) in the durometer range specified, do not compress substantially and can be considered incompressible. - While certain features and aspects have been described with respect to exemplary embodiments, one skilled in the art will recognize that numerous modifications are possible. For example, the embodiments shown reflect any of the following features which can be used alone or in combination with the other features: adhesive tape, self sealing tape, a single edge flange, a dual edge flange, four foot strips, coils, support risers, support pads (uniform series of pads), support cylinders (patterned cylindrical arrays).
- Hence, while various embodiments are described with—or without—certain features for ease of description and to illustrate exemplary aspects of those embodiments, the various components and/or features described herein with respect to a particular embodiment can be substituted, added, and/or subtracted from among other described embodiments, unless the context dictates otherwise. Consequently, although several exemplary embodiments are described above, it will be appreciated that the invention is intended to cover all modifications and equivalents within the scope of the following claims.
Claims (11)
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US15/711,739 US10246870B1 (en) | 2017-09-21 | 2017-09-21 | Construction venting strip |
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US15/711,739 US10246870B1 (en) | 2017-09-21 | 2017-09-21 | Construction venting strip |
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US10246870B1 US10246870B1 (en) | 2019-04-02 |
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Cited By (1)
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CN110644612A (en) * | 2019-10-16 | 2020-01-03 | 四川齐峰建设工程有限公司 | House structure and construction method thereof |
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