Protect Membranes Ltd Case Study October 2015 Following a CPD presentation on airtightness and how to achieve a well designed and airtight construction using Protect membranes and sealing tapes, Mast Architects of Glasgow called on the expertise of the Protect Membranes Technical department to assist them in the preparation of their design drawings for a range of properties including houses and fl ats across three separate sites in Vineburgh, Irvine. The Proposal The proposed developments followed traditional timber kit design, consisting of an outer brick skin 50mm cavity, with an internal 140mm stud frame, and using mineral wool insulation minimum 20mm service void, fi nished with a plasterboard lining. The brief was to achieve air permeability less than 6m 3 /h/m 2. Mast Architects

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