A viscous mixture of asphalt and a filler material such as fine sand or asbestos; hardens when exposed to air; used as an adhesive, as a sealant at joints, and in waterproofing.
A viscous mixture of asphalt and a filler material such as fine sand or asbestos; hardens when exposed to air; used as an adhesive, as a sealant at joints, and in waterproofing.