Two large 1930’s 7 sided casement curved bays for a house in Maidenhead Berks, the bay windows protruded 1.5 metres in radius meaning extra support was needed to support the floor and roof above before the old bay window could be removed and replaced by the new. All the casement sashes and frames went through a pressure preservative treated and were glazed with energy saving units with a U value of less than 0.9 way below the regulation requirement.
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