Cromar Breathable Membrane Felt Blue Vent 3 135gm 1.5 Metre x 50 Metre

Cromar breathable membrane felt Is a high performance breathable membrane ideal for cold and warm roof application with waterproof properties.

• Length 50 metre roll x 1.5 metre giving 75 metre squared
  
• Weight 135gm
• BBA certified breathable felt
• Independently tested and BS 5534:2014+A2:2018 compliant
• Conforms with BS 5250 guidelines
• Meet NHBC guidance for underlays in pitched roof applications
• Clean and easy to use
• Excellent tensile and tear strength
  
• Long term durability
• UV Stable (3 months exposure)