PU 280
Premium one-component liquid moisture barrier designed to block moisture in absorbent concrete slabs or for priming non-absorbent substrates. One coat on absorbent concrete blocks up to 12 lbs. / 1000 sq. ft. / 24 hours (ASTM F 1869) or up to 90% RH (ASTM F2170-02). Two coats on absorbent concrete blocks moisture up to 18 lbs. / 1000 sq.ft. / 24 hours (ASTM F 1869) or up to 100% RH (ASTM F2170-02). No moisture test required (see TDS for details)