DIY Doctor

chalet roof

Postby urbantus » Tue Sep 04, 2007 7:33 pm

Im building a timber chalet

Roof will be uni pitch pent roof at 5 degrees

Im layinng metal roofing sheets on top of 12 mm ply on top of 170 mm joists

Plasterboard on bottom of koists

100 mm kingspan insulation on top of plasterboard

Do I need an air flow over the top of the insulation

This could be a problem as I have noggings running acroos the support timbers

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