IKO Glass Fibre Roofing Felt Underlay 3B – 20m x 1m (Pallet of 28)
IKO Glass-Fibre Underlay is a waterproofing membrane, consisting of a strong glass fibre base coated with oxidised bitumen. It is sand finished on both surfaces. Used as an economical underlay (or intermediate layer) in a built-up felt roofing, and is usually fully bonded in hot bitumen. It is also used as an underlay to bitumen shingles in a pitched roof application.

Features and Benefits

  • Formerly BS 747: 2000 Type 3B
  • Roll Coverage: 20m2
  • British Standard glass-fibre based
  • Economic roofing materials
  • Category: Roofing
  • Sector of Application: Flat
  • Product Type: Bituminous
  • Membrane Type: Underlay
  • Colour: Black
  • Product Finish: Sand
  • Installation Method: Pour & Roll
  • Project Type: Commercial Small, Domestic Large, Domestic Medium, Domestic Small