Bond It Bitumen Primer - Black 1L 
Everbuild Constructa-Pro Adhesive Foam - Grey 750ml 
Leadax Lead Free Flashing Alternative 600mm (6M Rolls) 
Samac Aluminium Annular Ring Nails - 1kg (70mm x 3.35mm) 
Ronseal One Coat Stays White Radiator Paint - Gloss 750ml 
Everbuild Silicone Spray - 400ml 
Cavity Wall Weep Extension 
Soudal B2 Fire Rated Expanding Foam Gun Grade - 750ml 
Samac Galvanised ELH Felt Nails - 1kg (15mm x 3.00mm) 
OX Pro Chalk Refill, Yellow – 226g 
ALM Code 4 Milled Lead - 240mm x 3m 
Code 7 Cast Lead - 360mm x 6m 
Hambleside Danelaw TV10/6 Flush Fit Tile Vent - Black (Box of 5) 
Ronseal Precision Finish Brush - 2.5 Inch 
Soudal Construction Silicone, Grey - 290ml (Box of 12) 
Code 6 Cast Lead - 300mm x 6m 
OB41 Fast Tack Contact Adhesive Spray - 500ml 
ALM Code 8 Milled Lead - 450mm x 6m 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.
