Waterproof Breathable Roof Membrane

Non breathable membranes also known as non permeable membranes are entirely waterproof and wind tight.

Waterproof breathable roof membrane. Dupont tyvek uv facade is the next generation in lightweight advanced protective membranes. Breathable roof membranes are installed on the cold side of the roof s insulation and beneath the batten. As moisture can pass through the membrane it passes up and out of the building to help ventilate. Lightweight waterproof flexible.

Waterproof breathable membrane test tyvek roofing membranes tyvek s breathable roof membrane test examines 36 waterproof breathable membranes. There are breathable and non permeable membranes. Breathable membrane low resistance and non breathable membrane high resistance are modern lightweight underlay alternatives to the traditional bituminous type 1f products of yore. No additional ventilation required.

Warm cold roof applications. Breathable membranes are often water resistant or waterproof and can therefore be used as a temporary covering. Excellent tensile tear strength. Breathable roof membrane is the newer of the two underlays and the one whose popularity has soared in recent years.

What are breathable roof membranes. They don t allow condensation to pass through the roof structure so they re installed on the warm side of the insulation to keep the insulation dry and. Waterproof high performance triple layer breathable membrane. However it s recommended that the roof covering is installed as soon as possible.

Breather roof membranes are water resistant but allow the movement of air through the membrane. Why breather membranes are required moisture often passes into the roof space as vapour and then condenses when it reaches a cool surface. Its proven track record of exceptional moisture management high vapour permeability and durability makes it the superior protection solution for rainscreen cladding. Thanks to superior material durability and a unique functional layer the tyvek membrane beats all others.

Breathable membranes or breather membranes have been designed to improve ventilation and reduce condensation build up within the roof space as well as ensuring insulation remains effective. Roof membranes also known as roofing underlay are large sheets of material that are used to add an extra layer of protection to your roof preventing water ingress within your home.