Fire resistant slipsheet
US8178449B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 17, 2009 |
| Grant date | May 15, 2012 |
| Priority date | — |
| Expiry date | Apr 12, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2631
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.