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.
- Walls and floors
- Tiled pools and fountains
- Plaza decks
- Mechanical rooms
What makes MasterSeal 550 a unique solution?
- Waterproof membrane
- Creates a flexible membrane
- 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