In roofing underlay, ASTON BUILDING SUPPLIES LTD Roofing Felt Underlay promises breathability and reliable protection for slated and tiled pitched roofs. Drier loft spaces and fewer condensation worries bring peace of mind to homeowners and tradespeople. Is a BBA approved breathable membrane the right choice for your next reroof or shed project?
⚡ At a Glance
- • Breathability: BBA approved breathable membrane allows moisture vapour to escape while preventing water ingress
- • Best for: Homeowners and tradespeople replacing or fitting underlay on pitched, slated or tiled roofs
- • Not ideal for: Flat roofs or applications requiring exposed external waterproof membranes
Lightweight, flexible roll measures 1.5m x 50m for efficient coverage. Breathable BBA approved membrane helps manage moisture while resisting liquid water from above.
Faster, neater installation - with lightweight, flexible felt
Lightweight and flexible construction allows straightforward cutting and neat positioning across rafters and battens. The roll format reduces the need for awkward handling on ladders.
Quicker fitting reduces time spent at height and simplifies on-site work, useful for both DIY and professional teams.
Controlled moisture escape - with a BBA approved breathable membrane
The breathable membrane permits moisture vapour to pass through while forming a barrier to liquid water, preventing ingress beneath tiles and slates as stated in the description.
Helps reduce condensation in loft spaces while keeping the roof covering protected from external water.
Fewer joins across roof runs - with large 1.5m x 50m dimensions
Generous roll width and length cut down the number of overlaps and joins required for typical pitched roofs. Wider lengths mean longer runs before a seam is needed.
Larger roll coverage speeds up installation and lowers the chance of leak-prone overlaps on bigger roofs.
✨ The 4 Key Reasons for ASTON BUILDING SUPPLIES LTD Roofing Felt Underlay
- Easy to install - Cuts cleanly and lies flat for faster fitting
- Large roll size - Covers approximately 75 m², reducing joins and waste
- Versatile compatibility - Suits tiles, slates and shingles on pitched roofs
- Durable construction - Built for reliable protection and long-term roofing performance
📋 Technical Details at a Glance
- Category: Roofing underlay
- Brand: ASTON BUILDING SUPPLIES LTD
- Type: Breathable membrane roofing felt underlay
- Dimensions: 1.5 m x 50 m
- Coverage: Approximately 75 m² per roll
❓ Frequently Asked Questions
Q: Is this underlay suitable for tiled and slated pitched roofs?
A: Yes, described as suitable for use under tiles, slates or shingles on slated pitched roofs and similar pitched applications.
Q: Does the membrane allow moisture to escape while stopping water ingress?
A: Yes, the description specifies a breathable BBA approved membrane that permits moisture to escape while preventing water ingress.
Q: How easy is it to install on site?
A: The felt is described as lightweight and flexible, and the 1.5m x 50m roll dimensions allow efficient coverage with minimal overlapping, making it straightforward to cut and position.
🏆 Our Verdict
Suited to homeowners and roofers fitting or replacing underlay on pitched roofs. A breathable, BBA approved membrane together with large 1.5m x 50m rolls makes installation efficient while helping to control moisture. Budget-conscious buyers will find the combination of ease of fitting and durable construction likely to deliver good long-term value and lower maintenance.
