Aluminum Foil Tape

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Key Specifications & Features

Item Standard Value
Product Type Manufacturer Spec Self-Adhesive Aluminum Foil Joint Tape[cite: 26]
Backing Material EN 573-3 Pure Soft Aluminum Foil (Embossed / Plain)
Adhesive Type Manufacturer Spec High-Performance Acrylic Pressure-Sensitive Adhesive
Foil Thickness ASTM D3652 30 µm / 40 µm / 50 µm
Total Thickness (Excl. Liner) ASTM D3652 0.07 mm - 0.09 mm
Adhesion to Steel ASTM D3330 / EN 1939 ≥ 12 N/25mm (High Initial Tack & Long-term Bonding)
Tensile Strength ASTM D3759 / EN 14410 ≥ 45 N/25mm
Elongation at Break ASTM D3759 ≥ 3.0%
Temperature Resistance Manufacturer Spec -30°C to +120°C
Water Vapor Transmission Rate (WVTR) ASTM E96 < 0.1 g/m²·24h (Vapor-tight sealing)
Flammability EN 13501-1 / UL 723 Class A1 / Class B-s1, d0 (Flame Retardant)
Standard Roll Dimensions Manufacturer Spec Width: 50 mm / 75 mm / 100 mm; Length: 45 m / 50 m
Environmental Compliance REACH / RoHS Compliant (Solvent-free, VOC-free)

Multi-Layer Structure & Core Advantages

Engineered with a high-density XPS core and dual-side fiberglass mesh mortar for 100% waterproof performance and ultimate bond strength.

Exploded view diagram of aluminum foil laminated XPS underfloor heating insulation board showing layer structure
Top Layer: 0.035 mm - 0.1 mm Embossed Aluminum Foil

High-reflectivity embossed aluminum foil spreads heat evenly across the entire floor surface, eliminating cold spots and accelerating warm-up time.

Core Layer: High-Density Closed-Cell XPS Board

100% closed-cell extruded polystyrene insulation prevents downward thermal loss, providing exceptional structural rigidity under heavy floor loads.

Bottom Layer: Pre-formed Pipe Channels

Factory-cut precision grooves securely lock heating pipes (PEX/AL-PEX) into position without requiring additional fixing clips.

Rapid Thermal Response

Enables quick heating response times within 20 minutes compared to traditional wet screed systems, saving up to 30% energy consumption.

Dust-Free Dry Installation

No wet concrete screed required. Panels can be laid directly onto subfloors, allowing laminate, engineered wood, or tiles to be installed immediately.

Ultra-Thin & Space Saving

Available in low-profile thicknesses (25mm / 30mm), making it ideal for low-threshold retrofit projects and modern high-rise apartments.

High Compressive Strength (≥ 300 kPa)

High-density core withstands heavy residential and commercial furniture loads without deformation over long-term usage.

System Applications & Accessories

PERT PEX-a oxygen barrier underfloor heating pipe coils in red yellow white Stainless steel fixing washer discs with claws for tile backer board Brass underfloor heating manifold assembly with flow meters and valves Self-adhesive aluminum foil sealing tape for underfloor heating panel joints Self-adhesive foam perimeter edge insulation strip for underfloor heating Smart WiFi programmable LCD digital room thermostat for underfloor heating Plastic fixing washer discs for XPS tile backer board and floor heating insulation panels Helical plastic spiral dowel screws for securing XPS tile backer boards Corrosion-resistant self-tapping screws for fixing tile backer boards

One-stop procurement of all necessary installation and waterproofing accessories.

Ready to Streamline Your Underfloor Heating Project ?
Contact our technical sales team for factory-direct wholesale quotes, custom pipe spacing designs, or to request a free sample kit.
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