Polyurethane Waterproofing Membrane
WPA 990 is a single component, liquid applied, moisture cured polyurethane waterproofing membrane, suitable for waterproofing most non-exposed applications. WPA 990 cures to form a seamless, tough, durable, elastomeric waterproofing membrane. WPA 990 has excellent adhesion to most suitably primed building substrates and is suitable for above and below ground applications.
Class III membrane.
Excellent adhesion to a wide variety of substrates.
Tar and bitumen free.
Good chemical resistance.