WPA 990

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.

  • Fast curing.

  • Tar and bitumen free.

  • Permanently flexible.

  • Good chemical resistance.