MasterSeal 550 - Flexible, cementitious waterproofing membrane

How does MasterSeal 550 work?

Flextight 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.

Recommended uses:

Walls and floors
Tiled pools and fountains
Plaza decks
Balconies
Mechanical rooms

What makes MasterSeal 550 a unique solution?

Waterproof membrane
Creates a flexible membrane
Breathable
Ready-to-use kit

How can you benefit from MasterSeal 550?

Protects against soil moisture and water seepage; extends life of structural slabs and underlayment
Accommodates substrate movement; prevents cracks from telegraphing; provides excellent underlayment for thin-set tile applications
Allows interior moisture vapor to escape
Easy to mix and place
Environmentally friendly; low odor