PIR Insulated Plasterboard – Composite Foil – Indoor Walls & CeilingsProduct Overview Our high performance insulated plasterboard is designed for internal walls and ceilings, featuring a 102. 5mm overall thickness. It combines a 90mm rigid polyisocyanurate (PIR) insulation core with a 12. 5mm tapered edge plasterboard lining. This dual purpose construction enhances thermal performance and offers a smooth surface ready for direct decoration. The PIR layer, faced with foil, improves insulation and acts as a vapor control
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