Recent content by pirat1942

Many thanks for your response - I live in Stourbridge.

My house has a brick Utility Room with timber rafters supporting a polycarbonate sheet roof. The sheets are 25 mm thick and are 1 metre by 3 metres. The roof has a 15 degree pitch and the sheets are held by the usual plastic capping on aluminium glazing bars secured to the wood. The sheets sit...