Fire-rated roofing system
US10682832B2 · kind B2 · utility
0Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2019 |
| Grant date | Jun 16, 2020 |
| Priority date | — |
| Expiry date | Jun 26, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D1/28
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A fire-resistant polymeric membrane includes a polymer layer such as PVC, TPO, or EPDM affixed to a carbon fiber composite. The carbon fiber composite includes one or two layers of non-woven carbon fibers and at least one of an inert fiber mat or a metal foil layer, wherein the metal foil layer has a melting temperature of at least about 660° C. The present invention also provides an underlayment, wherein the underlayment is formed from one or more fibrous carbon layers affixed to at least one of an inert fiber mat or a metal foil having a melting temperature greater than 660° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.