why specify a proctor group

A Proctor Group’s breathable membranes used on the cold side of the insulation are developed primarily for use in timber or steel frame construction and afford effective protection during construction against wind-driven rain, snow and dust. These highly durable, strong and lightweight textile membranes are quiet when exposed to wind and will continue to protect the building envelope for the lifetime of the building. Unlike foil products, the high water vapour permeability of A Proctor Group’s membranes allow for the controlled escape of vapour from within the building whilst restricting the ingress of moisture, thus helping to protect the building fabric and insulation from condensation and related problems such as mould, timber rot, corrosion and loss of thermal resistance.

Vapour Control Layers: Are used on the warm side of the insulation to reduce vapour penetration into the structure and are recommended for use in areas of higher temperature and humidity and/or higher levels of insulation, such as aquatic centres, high occupancy buildings, certain agricultural and industrial buildings, kitchens and bathrooms.

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