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Vapour Permeable Roof Tile Underlay

The VapR-free Xtra

VapR-free Xtra is a multi layer laminate film composite made of polyolefin materials,
resulting in a pitched roof underlay that has high vapour permeability but is also highly
water resistant.

VapR-free can be installed without the need for roof space ventilation, and is suitable
for both Commercial and Domestic buildings, it is the ideal roof underlay for Warm and
Cold Pitched Roofs.

Manufactured without the use of CFC’s VapR-free xtra is 100% recyclable and is very
durable with high tensile and nail tear strength properties. These, coupled with excellent
UV and heat stability properties ensure a life-span in excess of 30 years.

VapR-free membrane has received BBA Approval and complies with BS5534-2003
Code of Practice for slating and tiling and NFRCTB6.
Recommendations for the use of vapour permeable membranes in pitched roofs are
contained in BS 5250 : 2002 ‘Code of practice for control of condensation in buildings’.
 

VapR-free – Vapour Permeable roof tile underlay has BBA accreditation. To see this document in full please refer to the downloads section below.

 

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