140mm Celotex XR4140 PIR Insulation Board 2.4m x 1.2m - 2.88m2 per board Trueline A 100mm layer broken by

A 100mm layer broken by gaps at abutments will underperform a well-fitted thinner one

It is manufactured to a density above 10 kg/m³

and works with underfloor heating systems

To be used to seal laps in damp proof membranes and sealing membranes to damp proof courses at junctions with internal and external walls

140mm Celotex XR4140 PIR Insulation Board 2.4m x 1.2m - 2.88m2 per board Trueline A 100mm layer broken by140mm Celotex XR4140 is a rigid polyisocyanurate (PIR) insulation board and the first thickness in the XR4000 range to carry a single layer R value above 6. 0. That places it with the new build and low energy projects where floor and roof targets run tighter than the 110mm to 130mm boards will meet in one pass, and where the deeper structural zones have the room to take it. Each board measures 2400mm x 1200mm, covers 2. 88m and is sold individually. A