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


  • Designed to replace traditional BS 747 Type 1F bituminous based felts.
  • Extremely strong, will not tear around nails, comfortable to handle.
  • Suitable for new build and refurbishment projects.

General information
Specification data - Plastics sheets

Product Reference

TwoF Economy Underlay, FRCA2