Part 7 Roofs Chapter 7 - NHBC
Draughtstripping loft hatches and sealing holes for services, are given in Sitework clause separating walls and hold down the roof against wind uplift RESTRAINT STRAPS Restraint straps, not acceptable as an alternative to cross ventilation of the roof space. To reduce the risk of ... Return Document
Thursday, June 6, 2013
Loft Flooring Cross Roof Battening Down The Hatches Definition
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