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At the end of the fourth day of working, all the external insulation has been fitted to the side wall of our house and work has started on rendering to make it water-proof. We have added 100mm of Pavatex woodfibre, which when combined with specific render is called 'Diffutherm'. The Pavatex is 'made from over 95% waste softwood and under 5% inert water proofing additives'. When added to our solid brick walls, the U value should improve from around 2.4 W/m2K to 0.33 W/m2K. This is about the same standard of insulation as required by Building Regs for new homes in 2002. In any case, you can certainly feel the temperature difference between the insulated side wall and the uninsulated (as yet) back and front. All has gone very smoothly so far - even the scaffolders turning up a day late didn't cause major problems. Tags: insulation, walls, wood Blog post by tina on Oct. 08, 2009 at 9:20 p.m. |