Relates to foil/kraft paper faced rigid polyisocyanurate (PIR) foam boards bonded to plasterboard, for use as an internal insulated dry lining to improve the thermal insulation of solid or cavity masonry walls. Key factors assessed were thermal performance, condensation, behaviour in relation to fire and durability.
Date of first issue: 24th February 2015. Originally certificated on 27th March 2007.
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