IP Library Granted Patent US 7,851,051
Granted Patent B2
US 7,851,051 · App. 11/053,718 · Granted Dec 14, 2010

Roofing material

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Quick Facts
Patent No.
US 7,851,051
App. No.
11/053,718
Granted
Dec 14, 2010
Kind
B2
Abstract

An improved roofing material having an upper and lower surface in which a thin layer comprising re-melted polypropylene or other suitable plastic is adhered to at least a portion of its lower surface.

Claims (17)

1. In an asphalt roofing shingle material having a front surface, at least a portion of which is intended to be exposed to weather, and back surface facing in a direction opposite to the front surface, the improvement comprising a thin layer consisting essentially of a plastic material covering at least a portion of said back surface, said layer being between about 2 and 4 mils in thickness, wherein the plastic material is adhered to the asphalt roofing shingle material through application of heat and without an intervening adhesive, and wherein said plastic material consists essentially of a thermoplastic material and said thermoplastic material consists essentially of polypropylene.

2. A roofing material according to claim 1 wherein said thin layer comprises re-melted polypropylene rolled material, pellets, flakes or fibers.

3. A roofing material according to claim 1 wherein said thin layer is between about 3 and 4 mils in thickness.

4. A roofing material according to claim 2 wherein said thin layer is between about 3 and 4 mils in thickness.

5. A roofing material according to claim 1 wherein said thin layer further comprises a pigment.

6. A roofing material according to claim 1 wherein the roofing material comprises a bituminous material.

7. A roofing material according to claim 2 wherein the roofing material comprises a bituminous material.

8. A roofing material according to claim 5 wherein the roofing material comprises a bituminous material.

9. A roofing material according to claim 3 wherein the roofing material comprises a bituminous material.

10. A roofing material according to claim 1 wherein the thin layer covers the entire back surface.

11. A roofing material according to claim 3 wherein the thin layer covers the entire back surface.

12. A roofing material according to claim 1 wherein the thin layer does not cover at least a portion of the lower edge of the back surface.

13. A roofing material according to claim 3 wherein the thin layer does not cover at least a portion of the lower edge of the back surface.

14. A roofing material according to claim 1 wherein the thin layer comprises more than one layer.

15. A roofing material according to claim 1 wherein the thin layer comprises spunbond polypropylene.

16. A roofing material according to claim 1 wherein said plastic material melts at less than about 400° F.

17. A roofing material according to claim 1 wherein said plastic material adheres to a bituminous material at about 400° F.

Assignments (7)
SECURITY INTEREST Recorded Sep 23, 2021
From: BMIC LLC; ELKCORP; ELK COMPOSITE BUILDING PRODUCTS, INC.; ELK PREMIUM BUILDING PRODUCTS, INC.; HBP ACQUISITION LLC; GAF ENERGY LLC; SIPLAST, INC.; SPECIALTY GRANULES INVESTMENTS LLC
To: DEUTSCHE BANK AG NEW YORK BRANCH
Reel/Frame 057572/0607 →
CHANGE OF NAME Recorded Aug 24, 2021
From: BUILDING MATERIALS INVESTMENT CORPORATION
To: BMIC LLC
Reel/Frame 057292/0184 →
RELEASE OF SECURITY INTEREST Recorded Nov 5, 2011
From: DEUTSCHE BANK TRUST COMPANY AMERICAS, AS COLLATERAL AGENT
To: ELKCORP; ELK PREMIUM BUILDING PRODUCTS, INC.; ELK CORPORATION OF AMERICA; ELK CORPORATION OF ALABAMA; ELK CORPORATION OF TEXAS; ELK CORPORATION OF ARKANSAS; ELK PERFORMANCE NONWOVEN FABRICS, INC.; ELK COMPOSITE BUILDING PRODUCTS, INC.; RGM PRODUCTS, INC.; RIDGEMATE MANUFACTURING CO., INC.; ELK SLATE PRODUCTS, INC.; ELK VERSASHIELD BUILDING SOLUTIONS, INC.; ELK TECHNOLOGY GROUP, INC.; CHROMIUM CORPORATION; ELK TECHNOLOGIES, INC.; MIDLAND PATH FORWARD, INC.; LUFKIN PATH FORWARD, INC.; ELK GROUP, INC.; ELK GROUP, L.P.; NELPA, INC.
Reel/Frame 027180/0400 →
RELEASE OF SECURITY INTEREST Recorded Nov 5, 2011
From: DEUTSCHE BANK AG NEW YORK BRANCH, AS COLLATERAL AGENT
To: ELKCORP; ELK PREMIUM BUILDING PRODUCTS, INC.; ELK CORPORATION OF AMERICA; ELK CORPORATION OF ALABAMA; ELK CORPORATION OF TEXAS; ELK CORPORATION OF ARKANSAS; ELK PERFORMANCE NONWOVEN FABRICS, INC.; ELK COMPOSITE BUILDING PRODUCTS, INC.; RGM PRODUCTS, INC.; RIDGEMATE MANUFACTURING CO., INC.; ELK SLATE PRODUCTS, INC.; ELK VERSASHIELD BUILDING SOLUTIONS, INC.; ELK TECHNOLOGY GROUP, INC.; CHROMIUM CORPORATION; ELK TECHNOLOGIES, INC.; MIDLAND PATH FORWARD, INC.; LUFKIN PATH FORWARD, INC.; ELK GROUP, INC.; ELK GROUP, L.P.; NELPA, INC.
Reel/Frame 027180/0435 →
SECURITY AGREEMENT Recorded Jun 22, 2007
From: ELKCORP; ELK PREMIUM BUILDING PRODUCTS, INC.; ELK CORPORATION OF AMERICA; ELK CORPORATION OF ALABAMA; ELK CORPORATION OF TEXAS; ELK CORPORATION OF ARKANSAS; ELK COMPOSITE BUILDING PRODUCTS, INC.; RGM PRODUCTS, INC.; RIDGEMATE MANUFACTURING CO. INC.; ELK SLATE PRODUCTS, INC.; ELK VERSASHIELD BUILDING SOLUTIONS, INC.; ELK TECHNOLOGY GROUP, INC.; CHROMIUM CORPORATION; ELK TECHNOLOGIES, INC.; MIDLAND PATH FORWARD, INC.; LUFKIN PATH FORWARD, INC.; ELK GROUP, INC.; ELK GROUP, LP; NELPA, INC.; ELK PERFORMANCE NONWOVEN FABRICS, INC.
To: DEUTSCHE BANK TRUST COMPANY AMERICAS
Reel/Frame 019466/0247 →
SECURITY AGREEMENT Recorded Jun 22, 2007
From: ELKCORP; ELK PREMIUM BUILDING PRODUCTS, INC.; ELK CORPORATION OF AMERICA; ELK CORPORATION OF ALABAMA; ELK CORPORATION OF TEXAS; ELK CORPORATION OF ARKANSAS; ELK PERFORMANCE NONWOVEN FABRICS, INC.; ELK COMPOSITE BUILDING PRODUCTS, INC.; RGM PRODUCTS, INC.; RIDGEMATE MANUFACTURING CO. INC.; ELK SLATE PRODUCTS, INC.; ELK VERSASHIELD BUILDING SOLUTIONS, INC.; ELK TECHNOLOGY GROUP, INC.; CHROMIUM CORPORATION; ELK TECHNOLOGIES, INC.; MIDLAND PATH FORWARD, INC.; LUFKIN PATH FORWARD, INC.; ELK GROUP, INC.; ELK GROUP, LP; NELPA, INC.
To: DEUTSCHE BANK AG NEW YORK BRANCH
Reel/Frame 019466/0270 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 18, 2005
From: DEJARNETTE, DANIEL C.; CHASTEEN, RICHARD ALLEN, JR.; BRYSON, MICHAEL L.
To: ELK PREMIUM BUILDING PRODUCTS, INC.
Reel/Frame 016469/0478 →