Product Details

MasterSeal 581 is a cement based waterproofing material that forms a brushable slurry when mixed with specified quantity of water, for coating on to prepared concrete and masonry surfaces. The coating cures to form a water impermeable membrane with excellent adhesion to the substrate. For improved adhesion and performance, MasterSeal 581 can be mixed with a solution of acrylic based polymer such as MasterSeal 600. Consult a Master Builders Solutions representative for advice. RECOMMENDED USES MasterSeal 581 is designed to be used as an effective waterproofing membrane on a variety of substrates. Applications include: • waterproof coatings to the internal faces of water tanks, sumps, reservoirs, planter boxes etc., before tiling or other surface finishing; • Treating terraces, balconies, kitchen & toilet floors as a sandwich treatment, to prevent water ingress. FEATURES AND BENEFITS • Resistant to weathering – Suitable for use on both exterior and interior surfaces. • Permeable to water vapors – Allows surface to breathe, preventing buildup of moisture below the membrane. • Brushable consistency – Easy to apply by brush or spray. • Can be polymer modified – Improved bond. strength on a variety of substrates and improve mechanical properties. • Nontoxic – Can be applied on surfaces in contact with drinking water. • Prevents water ingress.- suitable for both positive and negative hydrostatic pressure

Specifications