WONDERBUILDS PART BONDED TORCH-ON UNDERLAY
WONDERBUILDS PART BONDED TORCH-ON UNDERLAY is a venting underlay specially designed for use in high performance built up roofing systems and meets requirements of both new build and remedial roofing applications. The product can be applied as an underlay to all suitable types of substrates and is particularly well suited to roofs with high condensation risk. In addition, WONDERBUILDS PART BONDED TORCH-ON UNDERLAY may be used as part of an overlay system to existing asphalt waterproofing. The product is not recommended for use as single layer waterproofing.
- Excellent low temperature flexibility at -15°C
- Compatible with all types of bitumen membranes
- Ideal for roofs with high condensation risk
- High puncture resistance
- High resistance to foot marking