Type 3 – No Smell
United Asphalt offers four types of built-up roofing asphalt: Types I, II, III, and IV. All four types are made from high grade U.S. crude oil and meet or exceed ASTM D-312-15 specifications.
All products are tested on a daily basis by our in-house lab and are available either in bulk form or cartons. Each carton provides safety information – the Flash Point, proper EVT, and Type.
Listed in the following charts are the ASTM D-312-15 specifications for Types I, II, III, and IV roofing asphalt, as well as waterproofing asphalt.
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