# US 11,441,316 B2 · Self-adhered roofing systems and methods

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- Number: US 11,441,316 B2
- Document ID: US11441316B2
- Status: Granted
- Kind: B2
- Application number: 17/515,812
- Filed: 2021-11-01
- Published: 2022-05-05
- Granted: 2022-09-13
- Earliest claimed: 2020-10-30
- Assignees: Bmic LLC
- Applicants: Bmic LLC
- Inventors: Isaac Bernard Rufus; Adem Chich; Richard Chin; Michael Dougherty
- Web page: https://patentgrep.com/patent/US11441316B2

## CPC

- E04D 1/28: Roofing elements comprising two or more layers, e.g. for insulation
- E04D 12/002: {Sheets of flexible material, e.g. roofing tile underlay}
- A62C 3/00: Fire prevention, containment or extinguishing specially adapted for particular objects or places ({in oil wells E21B29/08, A62C35/00; in mines or tunnels E21F5/00} ; for nuclear reactors G21C9/04)
- E04D 1/18: of metal
- E04D 1/20: of plastics; {of asphalt;} of fibrous materials
- E04D 2001/3435: {Adhesive, hardenable or heat-sensitive material}
- E04D 2001/3447: {the fastening means being integral or premounted to the roof covering}
- E04D: ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS (coverings of outer walls by plaster or other porous material E04F13/00)
- A62C: FIRE-FIGHTING (fire-extinguishing compositions, use of chemical substances in extinguishing fires A62D1/00; spraying, applying liquids or other fluent materials to surfaces in general B05; alarm arrangements G08B, e.g. fire alarms actuated by smoke or gases G08B17/10)

## Abstract

Some embodiments of the present disclosure relate to roofing systems. In some embodiments, the roofing system includes a deck, a roofing material, and an underlayment configured to be positioned between the roofing material and the deck. In some embodiments, the underlayment comprises a foil layer and an adhesive layer that is attached to the foil layer and attachable to the deck. Methods of manufacturing roofing systems are also disclosed.

## Claims

### Claim 1

A roofing system comprising:
a deck;
a roofing material; and
an underlayment between the roofing material and the deck, wherein the underlayment comprises
a non-woven surface layer,
a first polymer layer,
a reinforcement layer,
a second polymer layer,
a foil layer,
a first adhesive layer, and
a second adhesive layer,
wherein the first adhesive layer comprises an asphaltic adhesive or butyl adhesive,
wherein a top surface of the first adhesive layer contacts the foil layer,
wherein a bottom surface of the first adhesive layer contacts the deck,
wherein a bottom surface of the second adhesive layer contacts the foil layer,
wherein the first polymer layer is disposed above the second adhesive layer,
wherein the non-woven surface layer is disposed above the first polymer layer,
wherein the reinforcement layer contacts the first polymer layer and the second polymer layer,
wherein the non-woven surface layer contacts the second polymer layer, and
wherein the roofing material contacts a top surface of the non-woven surface layer.

### Claim 2 (depends on 1)

The roofing system of claim 1, wherein the first adhesive layer comprises a thickness of 4 mils and 100 mils.

### Claim 3 (depends on 1)

The roofing system of claim 1, wherein the first adhesive layer is a self-adhering adhesive.

### Claim 4 (depends on 1)

The roofing system of claim 1, wherein the roofing material comprises a shingle, a waterproofing membrane, or a tile.

### Claim 5 (depends on 1)

The roofing system of claim 1, wherein the non-woven surface layer is resistant to ultraviolet light.

### Claim 6 (depends on 1)

The roofing system of claim 1, wherein the non-woven surface layer is reflective of infrared light.

### Claim 7 (depends on 1)

The roofing system of claim 1, wherein the non-woven surface layer comprises polymer fibers, natural fibers, glass fibers, or any combination thereof.

### Claim 8 (depends on 1)

The roofing system of claim 1, wherein the foil layer comprises aluminum.

### Claim 9 (depends on 1)

The roofing system of claim 1, wherein the foil layer comprises a thickness of 1 μm to 100 μm.

### Claim 10 (depends on 1)

The roofing system of claim 1, wherein the foil layer is a fire barrier.

### Claim 11 (depends on 1)

The roofing system of claim 1, wherein the second adhesive layer contacts the first polymer layer.