| http://www.w3.org/ns/prov#value | - The hot bitumen composition is injected or cast onto a releasable film to form a bitumen layer, such as with the employment of a casting knife, to form a layer of moisture-barrier bitumen on the releasable film which may vary in thickness, but for example may range from about 30 to 150 mils, and more typically 40 to 100 mils in thickness.
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