ARDEX WPM 114 Vented APP Bitumen Base Sheet 4mm
$369.13
ARDEX WPM 114 Vented APP Bitumen Waterproofing Base Sheet
ARDEX WPM 114 is a professional-grade APP (Atactic Polypropylene) plastomeric modified bitumen membrane. As a high-performance vented base sheet, it is specifically engineered for multi-layer waterproofing systems. Its unique design allows for the controlled release of substrate moisture, effectively preventing the formation of blisters and subsequent membrane failure in critical roofing applications.
Features & Benefits
- Advanced Moisture Control: Built-in venting mechanism specifically for substrates with potential moisture entrapment.
- Dual Modification: APP bitumen body with SBS thermo-adhesive strips for superior bonding and venting performance.
- Robust Reinforcement: 180g/m² high-strength polyester/glass composite core for maximum durability.
- Temperature Resistance: High thermal stability up to 100°C and cold flexibility down to -10°C.
Technical Specifications
- Thickness: 4mm
- Roll Dimensions: 1m x 8m (8m² coverage)
- Weight: 42kg per roll
- Top Surface: Sanded polymer finish for excellent adhesion to subsequent torch-on layers.
- Bottom Surface: Specialized thermo-adhesive strips for secure venting application.
Systems & Compatibility
For optimal performance, ARDEX WPM 114 should be used in conjunction with ARDEX WPM 240 Primer and integrated with Ardex Vents to ensure a complete moisture-management roofing system.
Source: ARDEX Official Technical Data Sheet