- Product Description
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The Debovent Perfoval Perforated Roof Underlay for Torch on Felt is a 16m x 1m perforated membrane designed to provide ventilation beneath torch on felt roofing systems. It helps reduce the risk of trapped moisture and blistering in flat roof constructions.
Key Features
- Perforated roof underlay for torch on felt
- 16m long x 1m wide roll
- Helps ventilate beneath roofing felt
- Suitable for flat roof build-ups
Uses
- Providing a venting layer under torch on felt roofs
- Reducing moisture build-up in flat roofing systems
- Helping limit blistering beneath felt coverings





