IKO 3B Roofing Felt is ideal for use under felt shingles. It is used as a cost effective underlay (or intermediate layer) in a built-up felt roofing specification, or as underlay to bitumen shingles in a pitched roof application. It is usually fully bonded in hot bitumen.
- Ideal for use under felt shingles
- It is sand finished on both surfaces
- Has a glass fiber based underlay
- Can be used as a base layer for hot birumen or torch on felt roofs