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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.
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
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Size1m x 20m, 3.28 ft x 65.62 ft (W x L) Per Roll
Core Advantages
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Integrated Floor HeatingCombines uncoupling, waterproofing, and electric floor heating in one solution. Crack Prevention – Uncouples the tile from the substrate to prevent cracking caused by movement stresses.
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Waterproof ProtectionProtects the substrate from moisture penetration in wet areas.
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Customizable Heating ZonesFlexible cable layout allows precise placement for comfort where needed.
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Quick InstallationEliminates the need for a separate underlayment, reducing labor time.
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Versatile ApplicationSuitable for bathrooms, kitchens, entryways, and other interior tiled areas.
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Energy EfficiencyProvides targeted heating, improving comfort without heating the entire room.
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