Mason-Cote Block Filler is a high quality interior/ exterior acrylic block filler formulated to fill small imperfections and pinholes in masonry block and porous concrete before topcoating. This product contains mineral type fillers and fine silica aggregates which fill voids and prevent seepage from driving rains and snow. This 100% acrylic block filler is easy to apply, alkali resistant and provides a uniform surface capable of receiving all types of finish coats such as 2 components epoxies & urethane. Mason-Cote Block Filler is not water sensitive after application and its inherent flexibility gives it the finest characteristics available in an exterior block filler, far superior to cementitous and PVA block fillers.
