Ecotecture, West Sussex / Uncategorized  / Update on Energy efficient dwelling near Chichester

Update on Energy efficient dwelling near Chichester

Work continues on this crescent shaped dwelling near Chichester.

Industrial techniques have been brought into play in order to reduce costs and more importantly save on materials to reduce embodied energy.

The floor, shipped from Holland will be constructed of Opdec a material more  commonly used in car park construction in areas such as Canada who are subject to freezing temperatures. This metal sandwich deck material is concertinaed with high performance insulation and will be cast in situ with the lower walls.

DSC00018The walls are constructed using Nudura pre formed insulated form work, with plastic cross ties to reduce thermal breaks. Concrete is poured into the core to form the walls, which are super insulating giving a U value of 0.1Kw/m2/K, the same value as the walls. These blocks were adapted on site to give the marvellous curve that gives the building its beauty. This will then be clad in the reclaimed flint from the original building, or given a render finish.

Windows are by Optiwin, Passivhaus certified, with a U value of 0.8Kw/m2/K.These are primarily timber windows with an aluminium coating, super air tight to comply with the strigent regulations pertaining to passivhaus certification. The building has been modelled using the Passivhaus planning pack as part of the original design process.


Jo Saady

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