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Roofers Choice 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 highlywater resistant.
Roofers Choice 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 Roofers Choice 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.
Roofers Choice breathable membrane has received BBA Approval and complies with BS5534-2003 Code of Practice for slating and tiling and NFRCTB6. It also meets technical requirement R3 in relation to NHBC standards, chapter 7.2 pitched roofs. 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’.
Technical Data:
Property Units Value
Weight g/m² 122
Water Vapour Resistance Sd (M) MN/sg c.0.02 0.19
Water Vapour Transmission g/m²/24 hr 1065
Fire Rating - B2*
Exposure Times UV Degradation - 3/4 months
NHBC Standards 2005
NHBC accepts the use of Roofers Choice Breather Membranes, when installed and used in accordance with the BBA Certificate, in relation to NHBC Standards, Chapter 7.2 Pitched Roofs


Key Features

  • Highly Water Resistant
  • Breathable
  • Eliminates Roof Space
  • Energy Saving
  • User Friendly
Product Data
Roll Width
(linear metres)

Roll Length
(linear metres)

Coverage/roll/m² 45  
Roll weight/kgs 5.5  
Rolls/pallet 54  

Downloads :
brochure and certificate download here
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