AsphaltApplied and Cold Application BuiltUp Roofing ...
For hot applied builtup roofing system applications, JMapproved asphalt is required. Asphalts are thoroughly evaluated before they are approved for use in any JM builtup roofing system. JM acknowledges that some specifiers choose to use coal tar pitch in builtup roofing systems. However, the use of coal tar pitch is not eligible for use