SB 2740 Concrete Protective Coating SARC is a custom blended, high performance acrylic latex coating for the protection of vertical and roofing surfaces made from architectural concrete, concrete block, some metal and wood surfaces. SB 2740 has been used for above grade waterproofing concrete block when a flexible coating is required to maintain the integrity between the concrete block and the mortar joint. SB 2740 provides long term protection to concrete surfaces that have had extensive repairs and there is a
