MasterSeal 550 is an acrylic-modified, Portland cement-based flexible waterproofing membrane for concrete and masonry. Use it above or below grade on interior or exterior surfaces.
Waterproof membrane protects against soil moisture and water seepage; extends life of structural slabs and underlayments
Creates a flexible membrane that accommodates substrate movement; prevents cracks from telegraphing; provides excellent underlayment for thin-set tile applications
Breathable. Allows interior moisture vapor to escape
Ready-to-use kit, easy to mix and place
Low VOCs, environmentally friendly; low odor
Walls and floors
Tiled pools and fountains • Plaza decks