IKO Perforated Slate Underlay is a perforated venting underlay which is sand finished on the top surface and slate finished on the underside. This product is loose laid, and designed to provide a controlled partial bond to a substrate when the subsequent layer is fully bonded in hot bitumen in a built-up roofing system.
Features and Benefits
- Formerly BS 747: 2000 Type 3G
- Roll Coverage: 10m2
- British Standard glass-fibre based
- Economic roofing materials
- Category: Roofing
- Sector of Application: Flat
- Product Type: Bituminous
- Membrane Type: Underlay
- Colour: Slate
- Product Finish: Mineral
- Installation Method: Loose Laid
- Project Type: Commercial Large, Commercial Medium, Commercial Small