Laticrete Hydro Barrier Waterproofing Membrane

Laticrete 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. HYDRO BARRIER can be used on interior and exterior, horizontal or vertical surfaces and is approved by IAPMO for use as shower pan liner.

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

Uses

Interior and exterior
Swimming pools, fountains and water features
Shower pans, stalls and tub surrounds
Industrial, commercial and residential bathrooms and laundries
Spas and hot tubs
Kitchens and food processing areas
Terraces and balconies over unoccupied spaces
Countertops and facades
Steam rooms (when used in conjunction with a vapor barrier)

Suitable Substrates

Concrete
Concrete & Brick Masonry
Cement Mortar Beds
Cement Plaster
Gypsum Wallboard*
Exterior Glue Plywood*
Ceramic Tile & Stone**
Cement Terrazzo**
Cement Backer Board***
Poured Gypsum Underlayment†

* Interior applications only.
**If skim coated with a Latex Thin-Set Mortar.
***Consult cement backer board manufacturer for specific installation recommendations and to verify acceptability for exterior use.
† Interior use only. Follow TCNA Guidelines/ Methods: F200, RH111, RH122, F180

Technical Specifications