Highly reflective asphalt-based roofing membrane

Details Highly reflective asphalt-based roofing membrane Highly reflective asphalt-based roofing membrane

2006-05-11

2008-10-28

Tucker, Philip C (Department: 1791)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S289000, C156S307300, C156S307700, C427S430100, C427S434200

Reexamination Certificate

active

07442270

ABSTRACT:
A prefabricated asphalt-based waterproof roofing membrane for use in a multi-ply asphalt-based commercial roofing system, e.g. a cap sheet that forms the exposed layer of a multi-ply built-up roofing system, is manufactured at a factory to have a highly reflective thermoplastic elastomeric sheet layer with a top surface that has a reflectance that meets current EPA Energy Star requirements. Preferably, a polymer primer layer is interposed between the highly reflective thermoplastic elastomeric sheet layer and an asphalt saturated and coated reinforcing substrate to keep oils and other colored components in the asphalt from exuding into the highly reflective thermoplastic elastomeric sheet layer.

REFERENCES:
patent: 4055453 (1977-10-01), Tajima et al.
patent: 4442148 (1984-04-01), Stierli
patent: 4755409 (1988-07-01), Harkness
patent: 5434009 (1995-07-01), Urbanek
patent: 6872440 (2005-03-01), Kiik et al.
patent: 6924015 (2005-08-01), Zanchetta et al.
patent: 2004/0241369 (2004-12-01), Pressutti et al.

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