One component waterproof primer for priming porous and non-porous subfloors and for rigidifying soft subfloor surfaces. WAKOL PU 280 Moisture Barrier is a premium moisture barrier for "green" concrete slabs and for concrete and offers two levels of moisture protection: One coat will block moisture up to 12 lbs. / 1000 sq.ft. / 24 hours or up to 90 % rH (ASTM F 2170-02). Two coats will block moisture up to 18 lbs. / 1000 sq.ft. / 24 hours or up to 98 % rH (ASTM F 2170-02). WAKOL PU 280 Moisture Barrier may be used on radiant heated floors up to 6 lbs. / 1000 sq.ft. / 24 hours or up to 85 % rH (ASTM F 2170-02) prior to laying wood flooring.

· No mixing required 
· No waste 
· Fast curing 
· Easy to apply 
· Excellent coverage  

Container

2.5 gal.