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VASA^™ UM805

Heated Uncoupling Membrane

The product meets or exceeds U.S. technical standards in both uncoupling and waterproofing aspects, ensuring long-term performance, high safety standards, and low return rates for residential and heavy-duty commercial applications.
Uncoupling Performance (ASTM C627 – Robinson Floor Test)
Achieved Extra Heavy service rating – the highest durability classification.
Completed all 14 test cycles without visible damage or system failure.
Proven suitability for high-traffic commercial and industrial settings such as airports, shopping malls, and commercial kitchens.
Waterproofing Performance (ANSI A118.10)
Waterproofness: No leakage under 2 feet of water pressure for 48 hours.
Shear Bond Strength: 83–112 psi under wet and aged conditions (requirement ≥ 50 psi).
Breaking Strength: 435–473 psi (requirement ≥ 170 psi).
Seam Strength: 9.25–9.44 ppi (requirement ≥ 8 ppi).
Dimensional Stability:±0.14%/±0.04%(requirement±0.7%).
Fungus Resistance: No fungal growth after 14 days in high humidity conditions.

Product Specifications

Size

1m x 20m, 3.28 ft x 65.62 ft (W x L) Per Roll

Core Advantages

Integrated Floor Heating

Combines uncoupling, waterproofing, and electric floor heating in one solution. Crack Prevention – Uncouples the tile from the substrate to prevent cracking caused by movement stresses.
Waterproof Protection

Protects the substrate from moisture penetration in wet areas.
Customizable Heating Zones

Flexible cable layout allows precise placement for comfort where needed.
Quick Installation

Eliminates the need for a separate underlayment, reducing labor time.
Versatile Application

Suitable for bathrooms, kitchens, entryways, and other interior tiled areas.
Energy Efficiency

Provides targeted heating, improving comfort without heating the entire room.

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