37.5mm Celotex PL4025 PIR Insulated Plasterboard 2.4m x 1.2m - 2.88m2 per board Pallet Accessories and rock mineral wool answers

and rock mineral wool answers that at material level

That makes it a board many installers keep on hand even when a deeper thickness covers the main area

Intended for use in environments free from damp or continuous humidity

Jabfloor HP should be tightly butted against the perimeter walls and insulation strip should be used on all exposed edges

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37.5mm Celotex PL4025 PIR Insulated Plasterboard 2.4m x 1.2m - 2.88m2 per board Pallet Accessories and rock mineral wool answers37. 5mm Celotex PL4025 is a two in one PIR insulated plasterboard, also known as a thermal laminate. It pairs a 25mm rigid polyisocyanurate (PIR) insulation core with a 12. 5mm tapered edge plasterboard, bonded together to give an overall board thickness of 37. 5mm. The PL4025 product code reflects this make up, with the '25' denoting the 25mm PIR core (some buyers round the board up and call it 38mm insulated plasterboard, though the true thickness