OX Pro Heavy Duty Aviation Snips Right Cut (Green) 
Bond It Bitumen Primer - Black 1L 
SikaFlex EBT+ Polyurethane Adhesive & Sealant, Beige - 300ml (Box of 12) 
ALM Code 7 Milled Lead - 300mm x 6m 
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Everbuild 204 Evermix 3 in 1 - 5 Litre 
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ALM Code 8 Milled Lead - 210mm x 6m 
Bostik Flashband Self Adhesive Flashing Tape – Grey 3.75m x 75mm 
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Cromar Vent 3 Light Breathable Membrane - 1m x 50m 
Siroflex Painters Caulk-It - 310ml 
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FloPlast Square Line Stop End Outlet Black – 114mm x 65mm 
Bond It All Weather Roofing Compound - Black 5L 
Hambleside Danelaw Single Pantile Roof Tile Vent, TV10/8 - Slate Grey (Box of 5) Non-Breather Membranes
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Non-Breather Membranes
Non-breather membrane, also known as a high-resistance membrane, is a type of roofing felt that does not permit vapour through. These are specially made for “cold roof” houses, which have insulation between the rafters. In these sorts of houses, a non-breathable membrane would be impractical.
This is because in a cold roof house the loft or “roof void” is colder than the house below, rather than at a similar temperature. This is popular in places for instance with heavy snow, because it helps prevent the formation of ice dams on the edges of roofs. This is because the warm roof will melt the snow into water, which will build upon the colder edges of the roof and refreeze. Cold roofs will leave the snow in place till it melts alongside the snow on the edges of the roof.
At ERoofing, we stock high-quality non-breather membranes from brands like Cromar. Don’t forget roof ventilation is even more important in houses with non-breather membranes. You can see our selection of top felt vents here.
