Plumbing Parkhttp://www.plumbingpark.co.uk/Latest news enPlumbing ParkPlumbing ParkBuilders should check the claimed thermal performance of multi-foil roof insulationhttp://www.plumbingpark.co.uk/plumbing_hvac_article1306.htmlWed, 11 Jun 2008 17:38:16 GMTBuilders and contractors using multi-foil roof insulation remain at risk of failing to meet Building Control energy efficiency requirements and being denied an Energy Label if they rely on some manufacturers' claimed "R" values from non-standard tests, Building Control guidance is warning. The revised Technical Guidance Note from Local Authority Building Control (LABC) has once again raised con