Thermafleece Breather Membrane roll Thermafleece Breather Membrane

Thermafleece Breather Membrane

Light-weight breather membrane to hold Thermafleece insulation bewteen joists.

Suitable for use in floors to secure Thermafleece insulation between joists or as a protective layer above the insulation.

Can also be used as a conventional breather membrane over rafters or on the cold side of a timber frame structure where a heavier weight membrane is not required.

A light-weight membrane with good tensile strength and nail tear resistance.

Has good water resistance and a high breathability.

Easy to handle and install without gloves or protective clothing.

Installed with the white side facing inside and the grey to the outside.


Available for delivery direct from the manufacturer with an approx. lead time of 3-5 days.

Product Information

General information about Thermafleece Breather Membrane

Product Application

Breather membrane for floors, walls and over rafter

Thermafleece's Breather Membrane is suitable for use in floors as well as walls and roofs where a heavy weight membrane is not required.

Product Make-up


Thermafleece Breather Membrane comprises 3 layers; two outer layers composed of a non-woven polypropylene and an inner breathable microporous film.

Product Properties

Colour White / Light Grey
Weight 100 g/m²
Roll Length 16.7m and 50m
Roll Width 1.5m

Product Prices

Buy Thermafleece Breather Membrane

These items are shipped direct to site from the manufacturer. Additional delivery charges will apply and will depend on the total number of rolls ordered. Please allow £20.00 + VAT per roll up to a maximum of £80.00 + charges will be added manually after the order is placed. Please Click Here for further details, or better yet, contact me to discuss your requirements so that I can provide you with an accurate cost.

Product ex-VAT inc-VAT
Thermafleece Breather Membrane, 1.5x16.7m = 25.05m² £49.16 £58.99
Thermafleece Breather Membrane, 1.5x50m = 75m² £133.80 £160.56
Thermafleece Tfloc Tape 50mm x 25m = 25lm £27.69 £33.22
Thermafleece Tfloc Tape 60mm x 25m = 25lm £30.23 £36.27
Thermafleece Tfloc Tape 140mm x 25m = 25lm £62.15 £74.58

Reasonable stock levels are held with delivery lead times being around 4-5 working days. Larger orders may take a little longer.

Thermafleece reserves the right to change stocked products - while we will do all we can to keep on top of changes, availability and lead times my vary.

  • Generally 1 or 3 working days for delivery
  • Generally 1 to 5 working days for delivery
  • Generally 5 to 10 working days for delivery
  • Special request or made to order item, allow extended lead times. Minimum order levels may apply.
  • Please call to check availability and approximate lead times

Product Performance and Guides

Product Performance, Manufacturer Downloads, and Installation Guides

Product Performance

Tensile strength MD 185 / CD 85 EN 12311-1
Tear resistance MD 75 / CD 95 EN12310-1
Resistance to air penetration 0.045 m³/m²h.50Pa EN 12114
Resistance to water penetration Class W1 EN 1928

Standards & Approval

Thermafleece Breather Membrane is manufactured in accordance with quality management system ISO 9001. All products must be installed in accordance with guidance issued by Thermafleece.

Thermafleece Breather Membrane material meets EN 13859-1 for pitched roofing and EN 13859-2 for walls.

Where building regulation approval is required, you should take advice from your local building control authority and the building designer.