Description
The WonderBuilds Part Bond Torch On Venting Underlay is expertly crafted for use as part of a high-performance roofing system, effectively managing condensation risk by allowing moisture to escape. Perfect for areas prone to high moisture levels such as swimming pools or gyms, this torch on underlay is compatible with all types of bitumen membranes.
Meeting the requirements for both new builds and remedial works, this underlay can be used as part of an overlay system for existing asphalt waterproofing. Manufactured using strong and durable distilled bitumen and plastomers, the WonderBuilds Part Bond Torch On Venting Underlay is a reliable and long-lasting solution you can trust.
Why Choose this WonderBuilds Part Bond Torch On Venting Underlay 10m x 1m?
- Ideal for areas with high moisture levels
- Torch on application
- Fine sand finish
- Quick & easy to install
- Strong & durable
Product Specifications:
Type of Compound: SBS
Type of Reinforcement: Polyester
Upper Face Finish: Sand
Lower Face Finish: Sand
Roll Dimensions: 10m x 1m
Weight: 2.7 kg/m²
Cold Flexibility (°C): -15
Flow Resistance (°C): 100
Tensile Strength (N/50mm): 400 (LD) / 300 (TD)
Elongation at Break (%): 35 (LD) / 35 (TD)
Resistance to Tearing (N): 120 (LD) / 120 (TD)
Dimensional Stability (%): -0.3
Resistance to Fire: F ROOF
Reaction to Fire: Class F
Water Tightness (kPa): 60
Please note: This product is not recommended for use as single layer waterproofing.
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