| 发明名称 |
FIRE RETARDANT ROOFING SYSTEM, SHINGLE AND LAYER |
| 摘要 |
Roofing shingle layers, roofing shingles, and roofing systems having fire retardant properties are provided. In certain exemplary embodiments, the roofing shingle layers, roofing shingles, or roofing systems include an expandable fire retardant material. The expandable fire retardant material may comprise expandable graphite, ammonium polyphosphate, or a combination thereof. |
| 申请公布号 |
US2014272244(A1) |
申请公布日期 |
2014.09.18 |
| 申请号 |
US201414209510 |
申请日期 |
2014.03.13 |
| 申请人 |
Owens Corning Intellectual Capital, LLC |
发明人 |
Harrington, JR. Edward Richard;Verhoff Jonathan M. |
| 分类号 |
E04B1/94;E04D1/28;E04D1/00 |
主分类号 |
E04B1/94 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A layer of a roofing shingle having an upper surface and an under surface, the layer comprising:
a fibrous substrate; an asphalt coating on the fibrous substrate; and granules disposed on the asphalt coating;wherein the layer includes an expandable fire retardant material that has an average bulk density ranging from 1 to 3 g/cm3 and a start expansion temperature ranging from 150 to 250° C. |
| 地址 |
Toledo OH US |
