A roofing material manufactured by saturating a dry felt with asphalt and then coating the saturated felt with a harder asphalt mixed with a fine mineral, glass-fiber, asbestos, or organic stabilizer; available in the form of rolls. All or part of the weather side may be covered with mineral granules or with powdered talc or mica. The reverse side is covered with a material suitable to prevent sticking in the roll. The
cold-process roofing
A bituminous roofing membrane which consists of layers of coated felts that have been bonded with cold-applied asphalt roof cement and surfaced with an emulsified or cutback asphalt roof coating. Also see asphalt prepared roofing.
Single-ply, metal, modified bitumen, built-up, and cold-process roofing systems all offer unique advantages (albeit some limitations) in the re-covering process.
Cold-process roofing also offers the benefit of redundant, multiple plies.
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