As part of the Poundbury development in Dorchester, five sustainable lowenergy houses have been constructed using Thermalite aircrete blocks. Two skins were used an an integral element in the walls; for the ground floor, 7N Hi-Strength blocks, and 100mm Shield, 100mm Party Wall 650 and 140mm Turbo blocks for the subsequent two storeys, which are also large-format, saving on construction costs. The blocks achieve a U-value of 0.21W/m 2K , crucial to overall efficiency of the buildings.
lENQUIRY NO. 1214