The BRE Group is a British "research, consultancy, training, testing and certification organisation delivering sustainability and innovation across the built environment and beyond." They reported this week on the Osbourne demonstration house, built from SIPs:
"The Osborne demonstration house pushes the boundaries of sustainable affordable housing and supply chain integration. It was constructed in one and a half days using the Jabhouse Structural Insulated Panel System (SIPs)...The house uses the latest in modern methods of construction with:
The house needs two thirds less energy for heating and cooling than a house constructed to 2006 Building Regulations."
• a zinc and slate clad cassette roof that requires no trusses or rafters
• off-site manufactured bathroom pod and door sets
• a plug-together wiring system
• timber I-beam floor joists.