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Guide lo low-slope roofing

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Abstract
Most people are familiar with built-up asphalt roo~irlg (BURl-multiple pl.ies of saturated felt or fabric applied shingle-style and layered with asphalt. The asphalt is melted in a big pot and pumped or bucketed to the roof and then mopped on. It is then covered with a cap sheet that has a mineral surface or a reflective coating (possibly acrylic, urethane, an asphalt-based emulsion-often with aluminumor actual gravel carried up to the roof and spread by hand).
Date
7/2017
Author(s)
David Crosby
Page(s)
Keyword(s)
APP and SBS; modified bitumen product; asphalt roof


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