Young's Homes, Snettisham
Type and size of project
15 two-storey brick clad houses with trussed roofs to Level 4 of the Code for Sustainable homes.
Stewart Milne Timber Systems’ innovative new build system, Sigma II, a fabric-first solution to create mass market Code Level Four homes, has been used to complete a development in Snettisham, Norfolk.
The project consisted of 15 units of two-storey houses for Youngs Homes on behalf of Flagship Housing Developments. The aim was to achieve first-class energy saving insulation and air tightness, as well as cost-efficiencies in terms of offsite prefabrication. The solution they were looking for also had to be sufficiently adaptable to suit a variety of external finishes, window detailing and integration of services.
Stewart Milne Timber Systems’ Sigma II product met these requirements through utilising space stud technology to vastly improve thermal bridging; and creating pre-insulated, closed external wall panels, filled with blown polystyrene beads, which provide high thermal performance and 100 percent full fill of all voids within the panel. In addition a pre-formed service zone cavity on the internal face of the external walls allowed services to be easily fitted without cutting and notching.
All 15 units were erected ahead of the five-week build programme. Subsequent inspection and testing of the erected units has confirmed the high level of accuracy of manufacture, panel fit and the incorporation of airtightness detailing measures.