
VYCOR® Plus (US Version) | GCP Applied Technologies
Apr 22, 2020· However, on concrete, masonry and DensGlass Gold®, apply PERM-A-BARRIER® WB Primer. If adhesion is found to be marginal, prime wood composition and gypsum sheathing also with PERM-A-BARRIER® WB Primer. The coverage rate for PERM-A-BARRIER® WB Primer is 250–350 ft 2 /gal (6–8 m 2 /L). Allow primer to dry completely, approximately 1 hour ...