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OYH’s interior wet area membrane lineup includes GardMem mold-proof shower waterproof fleece membrane with complete prefabricated detail parts and multi-functional heated uncoupling membrane that combines crack decoupling, waterproofing and underfloor heating layout for residential & commercial tiled bathrooms, steam rooms and kitchens.
High-moisture spaces: steam showers, steam rooms, saunas, spas.
Suitable for cement backer boards and wood wall/floor substrates under tile & stone cladding.
New bathroom renovation & full wet area waterproof refurbishment projects.
IAPMO cUPC & ANSI A118.10 certified for all North American wet-area projects.
Dual fleece backing for strong thin-set adhesion.
Integrated waterproof & vapor barrier, fully leakproof under prolonged submersion.
Mold and bacteria resistant for high-humidity spaces.
Flexible, anti-aging and chemical-resistant to handle minor substrate shifts.
Full accessory set: preformed corners, pipe/valve seals & joint tapes for full detailing.
Perfect for showers, steam rooms, saunas and tiled wet zones.
High-traffic commercial tiled areas: shopping malls, airports, commercial kitchens, public restrooms.
All interior tile & stone floor projects requiring electric underfloor heating, crack isolation and integrated waterproofing.
3-in-1: Uncoupling, waterproofing & heating cable routing
Zero leakage after 48-hour hydrostatic waterproof test.
Built-in channels for customizable, energy-saving heating zones.
Single-step installation cuts extra underlayment & labor.
Fungus-proof, minimal thermal dimensional shift.
Complies with ASTM C627 & ANSI A118.10 for residential & heavy commercial areas.
Compatible with all electric underfloor heating for baths, kitchens & entryways.
