QA Roof Primer
QA Roof Primer is an eco friendly waterbased acrylic primer. It is agood alternative to QA SB Primer but shouldn’t be used on dense concrete or painted surfaces. QA Roof Primer seals and primes the surface ensuring the adhesion of subsequent topcoats.
For priming concrete and masonry surfaces and concrete roof tiles prior to topcoats being applied. Typically used under QA Roof Renew and QA Liquid Membrane.
Concrete and concrete tile surfaces should be water blasted and dense concrete an acid etch is recommended using a 4 to 1 water to hydrochloric mix followed by a water blast or goof flush with clean water.
Apply by brush or roller at around 10m2
CLEAN with water