Chesterfelt Type 1F Bitumen Underslaters Felt - 15m x 1m
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Details
Chesterfelt Type 1F Bitumen Underslaters Felt - 15m x 1m is a roof membrane or underlay used beneath the external roof covering, helping protect the roof build-up from wind-driven rain while supporting moisture control.
It sits below tiles, slates or metal roofing and above rafters, boarding or insulation depending on the roof design. Correct laps, sealing tapes, eaves support trays and ventilation strategy are important for performance.
Best for
- Secondary weather protection beneath tiles, slates or metal roof coverings
- Moisture control and airflow strategies in warm, cold or hybrid pitched roofs
Key features
- Sits beneath tiles/slates and above rafters, insulation or roof deck depending on the roof build-up
- Brand: Chesterfelt
- Heavy duty
- Bituminous and hessian reinforced roofing membrane
- Sanded finish
- Bat safe
- For ventilated cold pitched roofs
- Finish: Sanded
- Length: 15m
- Width: 1m
Used with / Compatible with
- Tiles, slates, metal roof coverings, battens, rafters, insulation, eaves trays and ventilation components
- Lap tapes, butyl tapes, sealants and nail sealing accessories where specified
Things to consider before buying
- Confirm whether the roof design needs ventilation, a vapour control layer or taped laps
- Follow the manufacturer's minimum lap, drape and fixing requirements
- Use eaves trays, tapes, sealants or nail sealing products where specified