IKO 3H - Preforated Sand Underlay

£45.00 (ex. VAT) £54.00 (inc. VAT)

Availability: 9 in stock

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.

  • Formerly BS 747 Type 3H
  • British Standard glass-fibre based
  • Economic roofing materials


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