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| Term | Description |
|---|---|
| Coal tar | A dark brown to black cementitious material produced by the destructive distillation of coal. Coal-tar pitch is further refined to conform to the following roofing grade specifications:
coal-tar waterproofing pitch: A coal tar used as the dampproofing or waterproofing agent in below-grade structures, conforming to ASTM D450, Type II. coal-tar roof cement: A trowelable mixture of processed coal-tar base, solvents, mineral fillers and/or fibers; classified by ASTM D5643, "Coal Tar Roof Cement, Asbestos Free." |