US3620810A - Coated roof surface - Google Patents

Coated roof surface Download PDF

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US3620810A
US3620810A US3620810DA US3620810A US 3620810 A US3620810 A US 3620810A US 3620810D A US3620810D A US 3620810DA US 3620810 A US3620810 A US 3620810A
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Prior art keywords
lbs
roof
coat
subbase
coated
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Raymond L Carter Jr
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RAYMOND L CARTER JR
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RAYMOND L CARTER JR
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D7/00Roof covering exclusively consisting of sealing masses applied in situ; Gravelling of flat roofs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50Multilayers
    • B05D7/56Three layers or more
    • B05D7/57Three layers or more the last layer being a clear coat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/02Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a matt or rough surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • B05D5/061Special surface effect
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31652Of asbestos
    • Y10T428/31667Next to addition polymer from unsaturated monomers, or aldehyde or ketone condensation product
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31815Of bituminous or tarry residue

Definitions

  • Drcckman ABSTRACT A method of resurfacing a roof and the coated roof are disclosed in which a roof surface is coated in sequence with a subbase coating comprising mineral wool in sulation, perlite, clay, gypsum and aluminum sulfate, a waterproof coating additionally containing asphalt, and a top coating additionally containing polyvinyl acetate and titanium dioxide. 7
  • An object of my invention is to provide a novel method and material for resurfacing roofs which is sprayed through a nozzle under pressure and is conveyed by an air stream, thus quickly and easily covering large roof areas.
  • Another object of my invention is to provide a method and material of the character stated which will dry rapidly and which will not crack or dry out over long periods of time.
  • Another feature of my invention is that the material can be applied either by means of a hand trowel or by a nozzle under air pressure.
  • FIG. I is a fragmentary perspective view of a roof to which my material will be applied.
  • FIG. 2 is a fragmentary perspective view showing the subbase coat in position.
  • FIG. 3 is a fragmentary perspective view of the subbase and waterproof coats in position.
  • FIG. 4 is a fragmentary perspective view of the subbase waterproof and topcoats all in position.
  • FIG. 5 is a fragmentary perspective view of the completed resurfaced roof showing gravel or rock spread thereon.
  • FIG. 6 is a fragmentary sectional view taken on line 66 of FIG. 5.
  • the numeral 1 indicates a roof which may be old or new and which may be either wood or plastic shingles, or paper, felt, or metal surfacing of any usual and well known type.
  • An old roof particularly becomes unsightly or leaks after a long period of time and a renewal method if then necessary.
  • the first step in resurfacing a roof is to apply a subbase coat.
  • the subbase coat is produced as follows:
  • the mineral wool and perlite are mixed together in excess water with a shear type propeller or dispenser.
  • the subbase coat 2 is now sprayed or trowelled onto the roof 1 to the required or desired thickness. This coat covers the entire roof and after application is permitted to partly dry. If the roof material is placed by means of a pressure gun or nozzle, the nozzle is modified slightly to accept the aluminum sulfate solution. This aluminum sulfate accelerates the setting of the completed roof to about 10 to 30 minutes in time. The gypsum is added for a thickening and antishrinking agent, and also prevents reticulation. After the subbase coat is in position a waterproof coat 3 is applied to the entire upper surface. This waterproof coat consists of the following:
  • topcoat 4 is applied, which can be white or any other coloring desired.
  • the topcoat 4 is formulated as follows:
  • This topcoat is also sprayed over the entire surface of the roof, and the entire coating is allowed to dry or set for 10 to 30 minutes, more or less.
  • a coat of gravel or crushed rock 5 can be applied to the top coat merely for ornamentation.
  • the subbase coat is formed by adding water and the montmorillonite clay according to the formulation recited above.
  • water is added to the subbase coat material as well as emulsified asphalt, and these elements are mixed in a ribbon-type blender or similar machine.
  • the top coat is mixed by adding to the base coat as recited above, the quantities of latex and titanium dioxide according to the formulation recited above, and this mixing is also accomplished in a ribbon-type blender or similar-type machine.
  • the amount of water which is added to each of the coat formulations recited above will be the amount necessary to provide the necessary flow through a nozzle, or it can be a thicker consistency if the resurfacing material is trowelled in place.
  • a roof surface coated in sequence with subbase coating comprising the dried residue of 15-40 lbs. mineral wool insulation, 15-40 lbs. perlite, 14-40 lbs. clay, 75-125 lbs. gypsum, 0.5-5 lbs. aluminum sulfate; sufficient water to make a 70 gallon batch; a waterproof coating comprising the dried residue of 15-40 lbs. mineral wool insulation, 15-40 lbs. perlite, 15- lbs. clay, 10-30 gals. emulsified asphalt, 72-125 lbs. gypsum, 0.5-5 lbs. aluminum sulfate and sufficient water to make a 70 gallon batch, and a top coating comprising the dried residue of 15-40 lbs. mineral wool insulation, 15-40 lbs. perlite, 15-40 lbs.
  • clay 5-15 gals. polyvinyl acetate emulsion, 20-50 lbs. titanium dioxide, 75-125 lbs. gypsum, 0.5-5 lbs. aluminum sulfate, and sufficient water to make a 70 gallon batch.

Abstract

A method of resurfacing a roof and the coated roof are disclosed in which a roof surface is coated in sequence with a subbase coating comprising mineral wool insulation, perlite, clay, gypsum and aluminum sulfate, a waterproof coating additionally containing asphalt, and a top coating additionally containing polyvinyl acetate and titanium dioxide.

Description

tlnited States Patent j 311,569 2/1885 Coultas Inventor Raymond 1... Carter, Jr.
1346 No. Eastbury Ave., Covina, Calif. 91722 Appl. No. 769,847 Filed Oct. 23, 1968 Patented Nov. 16, 1971 COATED ROOF SURFACE 1 Claim, 6 Drawing Figs.
US. Cl 117/72, 117/2,117/30,ll7/75,117/76 P, 117/76 FB, 117/92,117/102 R,117/104 R Int. Cl B4411 l/l4, E04d 1 1 I02 Field of Search 117/92, 72, 70, 2, 76 FE, 76 P References Cited UNlTED STATES PATENTS 2,889,235 6/1959 Campbell ct al 117/72 3,051,590 8/1962 117/70 3,247,011 4/1966 1 17/92 3,276,906 10/1966 Nielsen 117/92 X Primary Examiner-William D. Martin Assistant ExaminerRalph Husack Att0rneyl-1arold A. Drcckman ABSTRACT: A method of resurfacing a roof and the coated roof are disclosed in which a roof surface is coated in sequence with a subbase coating comprising mineral wool in sulation, perlite, clay, gypsum and aluminum sulfate, a waterproof coating additionally containing asphalt, and a top coating additionally containing polyvinyl acetate and titanium dioxide. 7
COATED ROOF SURFACE An object of my invention is to provide a novel method and material for resurfacing roofs which is sprayed through a nozzle under pressure and is conveyed by an air stream, thus quickly and easily covering large roof areas.
Another object of my invention is to provide a method and material of the character stated which will dry rapidly and which will not crack or dry out over long periods of time.
Another feature of my invention is that the material can be applied either by means of a hand trowel or by a nozzle under air pressure.
Other objects, advantages and features of invention may appear from the accompanying drawing, the subjoined detailed description and the appended claims.
IN THE DRAWING FIG. I is a fragmentary perspective view of a roof to which my material will be applied.
FIG. 2 is a fragmentary perspective view showing the subbase coat in position.
FIG. 3 is a fragmentary perspective view of the subbase and waterproof coats in position.
FIG. 4 is a fragmentary perspective view of the subbase waterproof and topcoats all in position.
FIG. 5 is a fragmentary perspective view of the completed resurfaced roof showing gravel or rock spread thereon.
FIG. 6 is a fragmentary sectional view taken on line 66 of FIG. 5.
Referring more particularly to the drawing, the numeral 1 indicates a roof which may be old or new and which may be either wood or plastic shingles, or paper, felt, or metal surfacing of any usual and well known type. An old roof particularly becomes unsightly or leaks after a long period of time and a renewal method if then necessary.
The first step in resurfacing a roof is to apply a subbase coat. The subbase coat is produced as follows:
QUANTITIES TO MAKE 70 GALLONS SubBase Coat Mineral Wool Insulation -40 lbs.
Perlite 15-40 lbs. Montmorillonite Clay l5-40 lbs.
(Bentonite) Gypsum 75-125 lbs. Aluminum Sulfate 0.55 lbs.
Water to make 70 gallons.
When mixing the subbase coat as well as the subsequent two coats, the following procedure is followed:
Base.
The mineral wool and perlite are mixed together in excess water with a shear type propeller or dispenser.
The excess water is pressed off until a minimum of water is left. This is the base to which all the other ingredients are added.
The subbase coat 2 is now sprayed or trowelled onto the roof 1 to the required or desired thickness. This coat covers the entire roof and after application is permitted to partly dry. If the roof material is placed by means of a pressure gun or nozzle, the nozzle is modified slightly to accept the aluminum sulfate solution. This aluminum sulfate accelerates the setting of the completed roof to about 10 to 30 minutes in time. The gypsum is added for a thickening and antishrinking agent, and also prevents reticulation. After the subbase coat is in position a waterproof coat 3 is applied to the entire upper surface. This waterproof coat consists of the following:
Waterproof Coat Mineral Wool Insulation 15-40 lbs. Perlite 15-40 lbs. Montmorillonite Clay I5-40 lbs.
(Bentonite) Emulsil'ied Asphalt 10-30 gal. x Gypsum 75-125 lbs. Aluminum Sulfate 0.5-5 lbs.
Water to make 70 gallons.
After the waterproof coat has been allowed to set briefly,
the topcoat 4 is applied, which can be white or any other coloring desired. The topcoat 4 is formulated as follows:
Top Coat Mineral Wool Insulation l5-40 lbs.
Perlitc 15-40 lbs. Montmorillunite Clay 15-40 lbs.
(Bcntonite) Polyvinyl Acetate Emulsion 5-I5 gal. Titanium Dioxide 20-50 lbs. Gypsum 75-125 lbs. Aluminum Sulfate 0.5 -5 lbs.
Water to make 70 gallons.
This topcoat is also sprayed over the entire surface of the roof, and the entire coating is allowed to dry or set for 10 to 30 minutes, more or less.
Finally, if desired, a coat of gravel or crushed rock 5 can be applied to the top coat merely for ornamentation.
When the mineral wool and perlite are mixed together as stated above, the subbase coat is formed by adding water and the montmorillonite clay according to the formulation recited above. Similarly, when producing the waterproof coat, water is added to the subbase coat material as well as emulsified asphalt, and these elements are mixed in a ribbon-type blender or similar machine. The top coat is mixed by adding to the base coat as recited above, the quantities of latex and titanium dioxide according to the formulation recited above, and this mixing is also accomplished in a ribbon-type blender or similar-type machine. The amount of water which is added to each of the coat formulations recited above will be the amount necessary to provide the necessary flow through a nozzle, or it can be a thicker consistency if the resurfacing material is trowelled in place.
Having described my invention, I claim:
1. A roof surface coated in sequence with subbase coating comprising the dried residue of 15-40 lbs. mineral wool insulation, 15-40 lbs. perlite, 14-40 lbs. clay, 75-125 lbs. gypsum, 0.5-5 lbs. aluminum sulfate; sufficient water to make a 70 gallon batch; a waterproof coating comprising the dried residue of 15-40 lbs. mineral wool insulation, 15-40 lbs. perlite, 15- lbs. clay, 10-30 gals. emulsified asphalt, 72-125 lbs. gypsum, 0.5-5 lbs. aluminum sulfate and sufficient water to make a 70 gallon batch, and a top coating comprising the dried residue of 15-40 lbs. mineral wool insulation, 15-40 lbs. perlite, 15-40 lbs. clay, 5-15 gals. polyvinyl acetate emulsion, 20-50 lbs. titanium dioxide, 75-125 lbs. gypsum, 0.5-5 lbs. aluminum sulfate, and sufficient water to make a 70 gallon batch.
US3620810D 1968-10-23 1968-10-23 Coated roof surface Expired - Lifetime US3620810A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4983426A (en) * 1988-10-25 1991-01-08 Rohm And Haas Company Tiecoat for use with mastic coating applications
US5059456A (en) * 1990-05-04 1991-10-22 Rohm And Haas Company Latex barrier tiecoat for use with mastic coatings
US5085896A (en) * 1990-06-28 1992-02-04 Rohm And Haas Company Latex-modified asphalt emulsion tiecoat mastic coating system
US6426309B1 (en) 1998-12-30 2002-07-30 Owens Corning Fiberglas Technology, Inc. Storm proof roofing material
US20040014385A1 (en) * 1998-12-30 2004-01-22 Greaves Gerald G. Storm resistant roofing material

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US311569A (en) * 1885-02-03 Composite roofing
US2889235A (en) * 1955-09-20 1959-06-02 John F Campbell Fire-retardant decorative insulating board
US3051590A (en) * 1958-11-07 1962-08-28 Proux Jacqueline Leonie Process for coating brickwork, masonry, concrete and wood and compositions therefor
US3247011A (en) * 1961-07-06 1966-04-19 Lubrizol Corp Weather-proof surface resistant to checking and alligatoring
US3276906A (en) * 1963-08-08 1966-10-04 Shell Oil Co Process for preparing fire-retardant bituminous shingles by coating same with thermosetting acrylic resin

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US311569A (en) * 1885-02-03 Composite roofing
US2889235A (en) * 1955-09-20 1959-06-02 John F Campbell Fire-retardant decorative insulating board
US3051590A (en) * 1958-11-07 1962-08-28 Proux Jacqueline Leonie Process for coating brickwork, masonry, concrete and wood and compositions therefor
US3247011A (en) * 1961-07-06 1966-04-19 Lubrizol Corp Weather-proof surface resistant to checking and alligatoring
US3276906A (en) * 1963-08-08 1966-10-04 Shell Oil Co Process for preparing fire-retardant bituminous shingles by coating same with thermosetting acrylic resin

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4983426A (en) * 1988-10-25 1991-01-08 Rohm And Haas Company Tiecoat for use with mastic coating applications
US5059456A (en) * 1990-05-04 1991-10-22 Rohm And Haas Company Latex barrier tiecoat for use with mastic coatings
US5085896A (en) * 1990-06-28 1992-02-04 Rohm And Haas Company Latex-modified asphalt emulsion tiecoat mastic coating system
US6426309B1 (en) 1998-12-30 2002-07-30 Owens Corning Fiberglas Technology, Inc. Storm proof roofing material
US20040014385A1 (en) * 1998-12-30 2004-01-22 Greaves Gerald G. Storm resistant roofing material
US6709994B2 (en) 1998-12-30 2004-03-23 Owens Corning Fiberglas Technology, Inc. Storm proof roofing material

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