This means that insulation remains effective and the likelihood of damp and mould occurring is greatly reduced and the structural integrity of the building remains secure.
Warm roof breather membrane.
Breather membranes are installed to the outer side of the insulation for example either over or under the counter battens on a pitched roof and allow water vapour to escape from inside a building without the need for ventilation.
Cold warm roof application.
As a secondary water shedding layer tyvek membranes also provide a barrier that minimises the wind load acting on the slates and tiles and helps keep wind blown snow and dust out of the roof construction.
Permavent apex complies with nhbc requirements for cold warm roof constructions without the need for any ventilation under the nhbc warranty.
Roofing superstore is proud to offer a wide range of roofing membranes for your latest roofing project from popular and high quality brand.
Permavent breather membrane utilise the world s leading medical technology to produce the best quality construction breather membrane in the world.
Warm roofs or roofs without adequate ventilation require breather membrane although again the breather membrane should not strictly be used in isolation in accordance with bs5250.
A breather membrane prevents moisture from entering the roof space and can in some cases allow moisture to leave the roof space.
The primary job of a roof membrane is to ensure that water cannot ingress into the structure so it can t cause damp and mould.
Here insulation is installed at rafter level using rigid and or semi rigid insulation.
Clean easy to use.
Roof membranes are used to protect the building beneath the roof tiles so that insulation timber and other materials aren t exposed to the wet.
Non breathable membrane can often be confused with a vapour control layer but shouldn t be.
Vent3 light is a lightweight breathable roof underlay for cold and warm roof applications which give major benefits over traditional roof underlays.
Sales and technical advice on 01250 872 261.
Light grey surface prohibits glare.
Bba certified for unventilated warm cold roofs.
Choose from tlx breathable pitched roofing felt tyvek s supro breather membrane klober permo breather membrane and protect membranes as well as several others from brands such as cromar harcon powerlon and easy trim.
3 layer spun bonded membrane.