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SuperFOIL SFBB Reflective Breather Membrane Roofing Felt - 25m x 1.5m

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£65.65 Incl. VAT
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SuperFOIL SFBB is the UK’s best value reflective watertight reflective breather membrane.

In situ energy assessment indicates that foil breathers have benefits over traditional (non reflective) versions. SuperFOIL SFBB provides a barrier to the movement of air whilst allowing moisture to escape from the building reducing the risk of condensation. The control of air leakage is essential to the further improvement of energy efficiency.

SuperFOIL SFBB is also CE certified for its performance as a water barrier. It is easy to handle, install, cut, and seal and has a life expectancy in excess of 50 years.

Layers : 1 - reflective coated breather membrane.
Length : 25m.
Width : 1.5m.
Coverage : 37.5m2.
Weight : 5.4kg.
Colour : silver.

SFBB is a watertight (W1 – EN 1928:2000) breather membrane for use in roofs and walls.
SFBB is vapour permeable and allows the passage of warm, moist air to reduce condensation.
Installing SFBB improves the airtightness of the building.
SFBBis a radiant barrier. It can be used to enhance thermal performance U-values in both new build and renovation projects.
SFBB has a reflective thermal advantage over standard breather membranes.
SFBB is easy to handle and install.
SFBB can be used to help meet the requirements of Approved Document Part L and Scotland Part J.

SFBB should be installed on the “cold” side of the insulated structure, with special care being taken to ensure that all seams and holes are sealed effectively to render the whole structure water tight whilst allowing moisture to escape.

It is important that SFBB is installed as a continuous barrier.

All laps should be a minimum of 100mm and be sealed using SF jointing tape. Particular care is required when sealing around penetrations. Where the barrier is breached by construction elements, the aperture should be sealed with SuperFOIL tape.


Length 25m Width 1500mm


Permeability Vapour Permeable Roll Size 37.5m2

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