asphaltum
1. Natural asphalt. 2. In painting, asphalt from residues of crude mineral oil.
asphalt
Glossary
Mastic asphalt
Mastic {asphalt}, spread hot in one coat to a thickness of 13 mm, is a semi-rigid dpc, impervious to moisture
Glossary
Mastic asphalt or pitch mastic
These materials are spread hot and finished to a thickness of at least 12.5 mm. This expensive {damp-proof membrane} is