Don't Delay - Fit A Multi-Foil Insulation Product In Your Loft Conversion Or Timber Frame Building

The 1st BBA Certificate for multi-foil thermal insulation was given in October 2006. This kind of thermal insulation performance about the product was tested, battened under rafters, in a guarded hot box, to standard BS EN ISO 8990 resulting in a thermic resistance, or R value of 0.91 m2K/W for the core in addition to 1.69 m2K/W for the core plus 2 adjacent layers of air. These values include the cold bridging effects of battening.

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