Description
Chesterfelt Chesterplus 3B Underlay Roofing Felt 20mtr
Chesterplus 3B is a traditional pour and roll membrane which is normally installed as an immediate layer over suitable venting bases and finished with suitable Chesterfelt capping sheets. It features a glass fibre core which is saturated and coated in high quality bitumen. 3B is often used as a nailed layer on Plywood decks.
- Suitable as both an underlay and intermediate layer on a built-up flat roof
- Can be used as underlay under shed felts and shingles
- Sand finish


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