Build Coat is the structural layer in the Reinforced system. It goes on over a prepared, primed surface and does two jobs: it adds strength, and it gets the surface flat before the finish coats. Walls or floors, it works on both.
You mix it and trowel it on, pulling it tight to level the surface. The fiberglass mesh is bedded into the first coat, then covered with a second.
You need Build Coat for anything wet, anything outdoors, and any floor that is not bare concrete — including straight over old tile. The Core system does not use it.
Coverage: 275 sq ft on the first coat, 310 sq ft on the second for the 5 gallon bucket. 135 sq ft on the first coat 155 sq ft on the secon coat for the 2.5 gallon bucket. Coverage varies based on substrate and application thickness.
Available in a 5-gallon or 2.5-gallon pail. The coverage above is for the 5-gallon pail. The 2.5-gallon covers half.
