The innovative low emissivity foil facing improves thermal performance in sealed cavity air spaces and boosts the potential U-value. The XR4150 has been designed to the highest industry standards, with a BBA (British Board of Agreement) seal of approval as fit for use in defined roof, wall and floor applications when installed, used and maintained according to the guidelines in the certificate. The XR4150 has a BRE (Building Research Establishment) Green Guide Rating of A, which will help improve your environmental performance. All in all, this PIR insulation board will provide substantial long-term energy savings for your home.
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