There are three categories of membership:
Manufacturers and wholly owned subsidiaries of liquid applied waterproofing in the UK. LRWA manufacturers account for more than 90% of the UK Liquid Roofing market.
Manufacturers of ancillary components in the roofing system such as thermal and acoustic insulation, vapour control layers, decking, lightning protection, drainage, plant and safety equipment.
Roofing contractors licensed or approved to receive and install the products of one or more of the manufacturer members.