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Synthetic Roof Underlay - FlameSpec HW

DESCRIPTION: Fastwrap FlameSpec HW is a synthetic roof underlay for use under roof claddings. It is used to reduce drafts and assist in moisture management. Consists of a micro-porous water resistant film, laminated to two layers of non woven spun-bonded polyolefin.
  • BRANZ appraised for use in all areas without restriction. BRANZ Appraisal No.714 [2017] - amended 25th May 2018.
  • Fire retardant and absorbent.
  • Breathable water resistant film reduces the risk of condensation.
  • Anti-microbial and will not rot.
  • Stronger and more resistant to shrinkage than kraft based papers.
  • Suitable for use in all Building Wind Zones of NZS 3604 up to, and including ‘Extra High’.
  • Suitable for timber framed and steel framed structures.
  • May be installed in wet conditions without affecting its surface.
  • Grey colouring reduces glare for significantly less eye-strain during application.
  • Has an AS 1530.2 Flammability index of <5 and meets the requirements of NZBC Acceptable Solution C/AS1 Part 6 for surface finish requirements for suspended flexible fabrics.
  • Fastwrap FlameSpec HW Roof Underlay spans up to 1200mm centres between purlins without support.

1350mm wide x L 55.6m = 75m2