An important area which Story Homes wanted to improve was the ventilation of their cold roof spaces, particularly given the complexity of the roof designs on their 4/5-bedroom house types. Following initial meetings between the A. Proctor Group’s technical team and the developer’s design team, Roofshield was selected. It’s high performance air permeability means that the roof space has five times more air changes than using traditional eaves/ridge ventilation.

In line with guidelines and a statement issued by the NHBC, independently certified air and vapour permeable underlays can be used without additional ridge ventilation in cold roofs. The use of Roofshield vapour and air permeable membrane leads to savings in labour and material costs, and avoids the risk of ventilation being blocked by insulation or household storage.

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