21st Century Tile

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Hydro Barrier


HYDRO BARRIER™ is a thin, load bearing, self curing liquid rubber polymer which can be easily applied to form a flexible, seamless waterproof anti-fracture membrane. Available in 3.5 gallons.


Features & Benefits:

  • Allows for flood testing in 24 hours.*

  • Thin; only 0.020–0.030" (0.5–0.8 mm) thick when cured.

  • Changes in color from a light blue to darker blue when cured.

  • Anti-fracture protection of up to 1/8" (3 mm) over shrinkage and other non-structural cracks.

  • “Extra Heavy Service” rating per TCNA performance levels (RE: ASTM C627 Robinson Floor Test).

  • Exceeds ANSI A118.10 and A118.12.

  • Fast curing; allows foot traffic in 4–6 hours @ 70°F (21°C), 50% RH.

  • Lighter color for ease of inspection.

  • Safe—no solvents and non-flammable.

  • Install tile, brick and stone directly onto membrane.

* When cured 70°F (21°C) or higher at 50% RH lower temperature at higher RH will require long cure times.