HYDRO BARRIER is a thin, load bearing, self-curing liquid rubber polymer which can be easily applied to form a flexible seamless waterproof and anti-fracture membrane. HYDRO BARRIER can be used on interior and exterior, horizontal or vertical surfaces and is approved by IAPMO for use as shower pan liner.

  • Install tile, brick and stone directly onto membrane
  • Equipped with anti-microbial technology to protect the membrane
  • Easy to use and can be applied with a roller, trowel or sprayer (tools not included),
  • Fast curing; allows foot traffic in 4–6 hours @ 70°F (21°C), 50% RH,
  • Changes in color from a light blue to darker blue when cured,
  • Use 1 coat for crack prevention,
  • Use 2 coats for waterproofing,
  • Extra Heavy Service rating
  • Includes moisture control,
  • Anti-fracture protection of up to 1/8″ (3 mm) over shrinkage and other non-structural cracks,
  • Covers up to 365 SF.
  • Safe—no solvents and non-flammable,
  • Thin; only 0.020–0.030″ (0.5–0.8 mm) thick when cured,
  • Allows for flood testing in 24 hours,
  • It bonds directly to clean metal drains, PVC, stainless steel and ABS drain assamblies.
Suitable Substrates:
  •  Concrete
  •  Concrete and Brick Masonry
  •  Cement Mortar Bed
  •  Cement Plaster
  •  Gypsum Wallboard
  •  Exterior Glue Plywood (Interior Only)
  •  Ceramic Tile and Stone
  •  Cement Terrazzo
  •  Cement Backer Board
  •  Poured Gypsum Underlayment
  •  Gypsum Plaster (Interior use only, non-wet areas)
Approx Size: 3.5 Gallon
Other Sizes: N/A
Application: Wall & Floor. Suitable for Interior, Exterior, Residential and Commercial applications. It also can be used as a slab-on-grade moisture vapor barrier under all types of floor coverings.
Areas: Pool, Spa, Fountain, Shower, Steam Shower, Water Features, Basement, Laundry, Bathroom, Foyer, Kitchen, Food Processing Areas, Sun Room, Countertops, Facades, Terraces-over-unoccupied-areas, etc.
Finish: Fast curing liquid.
Material: Self-curing liquid rubber polymer.
Type: Installation product. Waterproofing Membrane. Crack Prevention Membrane. Vapor Barrier.
SKU: 9009256-XXXX-X.