Fire resistant slipsheet
AssigneeBuilding Materials Investment Corporation
InventorsDaniel La Vietes, Michael Lee Bryson
Life of this patent
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Abstract
A fire resistant slipsheet in roll form includes a fiber mat having first and second sides and a coating containing expandable graphite, a filler, and a binder. The coating is coated on at least one of the first and second sides of the fiber mat, and a single layer of the slipsheet achieves a Class A rating when tested according to UL 790 and/or ASTM E-108 Standard Test Methods for Fire Tests of Roof Coverings. A fire resistant roofing system and a method for installing a fire resistant roofing system that achieves a Class A rating when tested according to UL 790 and/or ASTM E-108 Standard Test Methods for Fire Tests of Roof Coverings is also provided.
Claims36
A fire resistant slipsheet in roll form, comprising:
- a fiber mat having first and second sides;
- and
- a coating containing expandable graphite, a filler, and a binder;
- wherein the coating is bonded to at least one of the first and second sides of the fiber mat such that the coating penetrates at least one of the first and second sides of the fiber mat and wherein a single layer of the slipsheet achieves a Class A rating when tested according to UL 790 and/or ASTM E-108 Standard Test Methods for Fire Tests of Roof Coverings.
A fire resistant roofing system, comprising:
- a deck;
- a substantially single layer of slipsheet material covering substantially the entirety of the deck, comprising:
- a fiber mat having first and second sides;
- and
- a coating containing expandable graphite, a filler, and a binder;
- wherein the coating is bonded to at least one of the first and second sides of the fiber mat such that the coating penetrates at least one of the first and second sides of the fiber mat;
- and
- a roof covering covering substantially the entirety of the slipsheet;
- wherein the roofing system achieves a Class A rating when tested according to UL 790 and/or ASTM E-108 Standard Test Methods for Fire Tests of Roof Coverings.
A method for installing a fire resistant roofing system that achieves a Class A rating when tested according to UL 790 and/or ASTM E-108 Standard Test Methods for Fire Tests of Roof Coverings, comprising:
- providing a deck;
- unrolling and installing a substantially single layer of a slipsheet material over substantially the entirety of the deck, the slipsheet comprising:
- a fiber mat having first and second sides;
- and
- a coating containing expandable graphite, a filler, and a binder;
- wherein the coating is bonded to at least one of the first and second sides of the fiber mat such that the coating penetrates at least one of the first and second sides of the fiber mat;
- and
- installing a roof covering over substantially the entirety of the slipsheet.
Dependencies are inferred from the claim text.