Roofing systems and related methods

Patent metadata

Field	Value
Publication number	US-11834836-B2
Application number	US-202217897852-A
Country	US
Kind code	B2
Filing date	Aug 29, 2022
Priority date	Sep 25, 2020
Publication date	Dec 5, 2023
Grant date	Dec 5, 2023

Abstract

Some embodiments of the present disclosure relate to a roofing system. In some embodiments, the roofing system includes a roofing membrane, which may include a cap, a scrim, and a core. In some embodiments, the roofing system may also include an adhesive film, which may include a first adhesive layer adhered to the roofing membrane, a second adhesive layer configured to adhere the roofing membrane to a roofing substrate, and a barrier layer positioned between the first and second adhesive layers. Methods of manufacturing roofing systems are also disclosed.

First claim

What is claimed is:

1. A roofing system comprising:
a roofing substrate;
a roofing membrane,
wherein the roofing membrane comprises:
a cap layer,
a core layer, and
a scrim between the cap layer and the core layer;

wherein the roofing membrane comprises:
a thermoplastic polyolefin (TPO),
a polyvinyl chloride (PVC), or
an ethylene propylene diene monomer (EPDM); and

an adhesive film,
wherein the adhesive film comprises:
a first layer,
wherein the first layer is bonded to the core layer of the roofing membrane;
wherein the first layer is different from the roofing membrane;
wherein the first layer comprises an adhesive through an entire thickness of the first layer; and

a second layer,
wherein the second layer is directly adhered to the first layer;
wherein the second layer is adhered to the roofing substrate;
wherein the second layer is a single adhesive layer.

2. The roofing system of claim 1 , wherein the roofing substrate comprises at least one of an insulation board, a cover board, a mat, or any combination thereof.

3. The roofing system of claim 1 , wherein the first layer comprises a polyolefin polymer adhesive.

4. The roofing system of claim 1 , wherein the first layer comprises an ultraviolet radiation cured adhesive.

5. The roofing system of claim 1 , wherein the first layer comprises at least one of an epoxy adhesive, a polyurethane adhesive, an acrylic adhesive, or any combination thereof.

6. The roofing system of claim 1 , wherein the second layer comprises at least one of ethylene vinyl acetate, poly vinyl acetate, an acrylic adhesive, or any combination thereof.

7. The roofing system of claim 1 , wherein the first layer is configured to prevent migration of a plasticizer from the roofing membrane.

8. The roofing system of claim 1 , wherein a thickness of the first layer is 1 mil to 10 mil.

9. The roofing system of claim 1 , wherein a thickness of the second layer is 1 mil to 10 mil.

10. The roofing system of claim 1 , wherein the adhesive film is different from the roofing membrane.

11. A method of manufacturing comprising:
obtaining a roofing membrane,
wherein the roofing membrane comprises:
a cap layer,
a core layer, and
a scrim between the cap layer and the core layer;

wherein the roofing membrane comprises:
a thermoplastic polyolefin (TPO),
a polyvinyl chloride (PVC), or
an ethylene propylene diene monomer (EPDM);

obtaining an adhesive film,
wherein the adhesive film comprises:
a first layer,
wherein the first layer is different from the roofing membrane;
wherein the first layer comprises an adhesive through an entire thickness of the first layer; and

a second layer,
wherein the second layer is directly adhered to the first layer;
wherein the second layer is a single adhesive layer; and

bonding the adhesive film to the roofing membrane,
wherein the first layer of the adhesive film is bonded to the core layer of the roofing membrane,
wherein the second layer is configured to be adhered to a roofing substrate.

12. The method of claim 11 , wherein the first layer comprises a polyolefin polymer adhesive.

13. The method of claim 11 , wherein the first layer comprises an ultraviolet radiation cured adhesive.

14. The method of claim 11 , wherein the first layer comprises at least one of an epoxy adhesive, a polyurethane adhesive, an acrylic adhesive, or any combination thereof.

15. The method of claim 11 , wherein the second layer comprises at least one of ethylene vinyl acetate, poly vinyl acetate, an acrylic adhesive, or any combination thereof.

16. The method of claim 11 , wherein the first layer is configured to prevent migration of a plasticizer from the roofing membrane.

17. The method of claim 11 , wherein a thickness of the first layer is 1 mil to 10 mil.

18. The method of claim 11 , wherein a thickness of the second layer is 1 mil to 10 mil.

19. The method of claim 11 , further comprising adhering a protective liner to the second layer of the adhesive film.

20. The method of claim 11 , wherein the adhesive film is different from the roofing membrane.

Assignees

• Bmic Llc

Inventors

• Yang Li-Ying

Classifications

• E04D5/10 Primary

  by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen · CPC title

• B32B7/12

  using interposed adhesives or interposed materials with bonding properties · CPC title

• B32B27/08

  of synthetic resin · CPC title

• E04D5/06

  by making use of plastics · CPC title

• B32B27/304

  comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF · CPC title