Permascreed is a new mastic asphalt screed from Permanite Asphalt which offers a speedy way to create drainage falls and a stable base for flat roof waterproofing systems and mastic asphalt car parks.

Mastic asphalt is a mixture of limestone and bitumen commonly used for roofing, tanking, paving and flooring. The bitumen and closely graded stone are added together to form a molten mass that is ...