Warmup’s 3-ply waterproof membrane protects floors and walls under thin-set tile installations from substrate cracks and moisture migration. It is comprised of 2 outer polypropylene layers and one inner polyethylene waterproofing membrane. In addition, the waterproofing kit also exceeds testing requirements per ASTM 118.10. The kit includes a 35ft roll of 5”-wide membrane, along with 2 outer corners and 6 inside corners.
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