E - Fixed Constructions – 04 – D
Patent
E - Fixed Constructions
04
D
E04D 13/18 (2006.01) H01L 31/04 (2006.01)
Patent
CA 2744501
The present invention relates more particularly to roofing products for use with photovoltaic elements, and to photovoltaic systems that include one or more photovoltaic elements joined to a roofing substrate. In one aspect, the invention provides a roofing product including: a bituminous roofing substrate having a top surface; and roofing granules embedded in the top surface of the roofing substrate, wherein in at least one over-pressed zone of the roofing product, the roofing granules are embedded so that (a) the over-pressed zone exhibits a 0.20 gram loss or less in a rub test as described in ASTM D-4977; or (b) in the over-pressed zone the average granule embed volume fraction is at least 0.5; or (c) in the over-pressed zone, the average distance between the top of the roofing granules and the top surface of the bituminous roofing substrate is 1.0 mm or less.
Chihlas Peter
Jacobs Gregory F.
Jenkins Robert L.
Kalkanoglu Husnu M.
Shaw Wayne E.
Certainteed Corporation
Gowling Lafleur Henderson Llp
LandOfFree
Roofing products, photovoltaic roofing elements and systems... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Roofing products, photovoltaic roofing elements and systems..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Roofing products, photovoltaic roofing elements and systems... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1703105