IKO Perforated Sand Underlay is a perforated venting underlay which is sand finished on both surfaces. This product is loose laid to provide an economical, controlled partial bond to a substrate, when the subsequent layer is fully bonded in hot bitumen.
Features and Benefits
- Formerly BS 747 Type 3H
- Roll Coverage: 20m2
- British Standard glass-fibre based
- Economic roofing materials
- Sector of Application: Flat
- Product Type: Bituminous
- Membrane Type: Underlay
- Colour: Black
- Product Finish: Sand
- Installation Method: Loose Laid
- Project Type: Commercial Small, Domestic Large, Domestic Medium, Domestic Small
