Description

An underlay manufactured from a specially formulated polyethylene with a multifilament polypropylene reinforcement grid.

Suitable for use on all tiled roofs where insulation is provided at ceiling level and the roof is ventilated in accordance with BS 5250.

Properties:

  • Designed to replace traditional BS 747 Type 1F bituminous based felts.
  • Extremely durable; will not rot at gutter level.
  • Lightweight and strong.
  • Superior tear resistance.
  • Comfortable to handle.
  • Offers greater strength and higher performance than Decra TwoF underlay.

General information
Specification data - Vapour permeable sheets

Product Reference

300 High Performance Underlay, FRCA3

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