High-performance PIR insulated plasterboard designed to provide both thermal insulation and a smooth internal finish in one easy-to-install board. Each sheet combines a rigid PIR (polyisocyanurate) insulation core bonded to 12.5mm tapered edge plasterboard, helping to improve energy efficiency and reduce heat loss through walls and ceilings.

Ideal for internal wall lining, ceilings, and roof refurbishments, this board saves time and labour compared to installing insulation and plasterboard separately. It meets current Building Regulation thermal requirements and is suitable for both new builds and renovation projects.

Sheet Size: 2400mm x 1200mm (8ft x 4ft)

Thickness: Typically 37.5mm – 92.5mm (includes 12.5mm plasterboard)

Material: PIR insulation core bonded to gypsum plasterboard

Edge Type: Tapered edge

Thermal Conductivity (λ): 0.022 W/mK (PIR core)

Fire Rating: Euroclass B-s1, d0 (insulation core)

Suitable for: Internal walls, ceilings, and roof linings

Usage: Thermal lining for improved insulation and reduced heat loss

Finish: Smooth plasterboard face ready for skimming or decoration