CA2270684A1 - Roofing material with granular surface - Google Patents
Roofing material with granular surface Download PDFInfo
- Publication number
- CA2270684A1 CA2270684A1 CA 2270684 CA2270684A CA2270684A1 CA 2270684 A1 CA2270684 A1 CA 2270684A1 CA 2270684 CA2270684 CA 2270684 CA 2270684 A CA2270684 A CA 2270684A CA 2270684 A1 CA2270684 A1 CA 2270684A1
- Authority
- CA
- Canada
- Prior art keywords
- roofing material
- layer
- granular surface
- polyurethane layer
- polyurethane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Laminated Bodies (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
A roofing membrane material is disclosed. The material is characterized in that it includes a rubberized asphalt layer and a polyethylene reinforcement layer having a polyurethane layer on its upper surface. The polyurethane layer includes embedded grit to provide a high friction surface offering good traction.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7288598A | 1998-05-05 | 1998-05-05 | |
US09/072,885 | 1998-05-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2270684A1 true CA2270684A1 (en) | 1999-11-05 |
CA2270684C CA2270684C (en) | 2007-10-23 |
Family
ID=29709277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2270684 Expired - Fee Related CA2270684C (en) | 1998-05-05 | 1999-05-04 | Roofing material with granular surface |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2270684C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7125601B1 (en) | 2000-10-18 | 2006-10-24 | 3M Innovative Properties Company | Integrated granule product |
-
1999
- 1999-05-04 CA CA 2270684 patent/CA2270684C/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7125601B1 (en) | 2000-10-18 | 2006-10-24 | 3M Innovative Properties Company | Integrated granule product |
Also Published As
Publication number | Publication date |
---|---|
CA2270684C (en) | 2007-10-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20170504 |