Cromar Protect 1F Non-Breathable Membrane - 1m x 15m

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up to 3 working days
1+   £10.65

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Our price today, excluding delivery and VAT is

£12.78 inc. VAT £10.65


A non-breathable roof underslating, which gives major benefits over plastic and traditional 1F bitumen based underslating felt.


  • Clean and easy to use
  • Lightweight
  • Excellent tensile strength - nail tear resistance
  • No mess
  • Timesaving over bitumen based 1F
  • Completely waterproof
  • Temporary cover for up to 3 months
  • Anthracite colour surface prohibits glare
  • UV and heat stable
  • No gusting wind noise
  • 2 different sizes available


A non-breathable roof underslating.

Product Specification

Brand Cromar
Colour Anthracite upper, white lower
Dimensions 1m x 15m
Elongation MD: 65%, TD: 70%
Length 15m
Reaction to Fire Class E
Tensile Strength MD: 180N/50mm, TD: 110N/50mm
Thickness 0.5mm
UV Stability 4 months
Water Tightness Class W1
Weight 0.95kg/m²
Width 1m

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