Knauf XPS Laminate Plus – 55mm Tapered Edge | Thermal Insulated Plasterboard for Warm Roofs & Internal Walls

The Knauf XPS Laminate Plus is a high-performance insulated plasterboard that combines CFC and HCFC-free extruded polystyrene (XPS) with a 9.5mm Knauf Wallboard, offering excellent thermal insulation and vapour resistance in a slim, efficient profile. Ideal for warm roof applications, internal wall linings, and refurbishments, this laminated board enhances energy efficiency while maintaining valuable interior space.

Designed with a tapered edge for a smooth finish, it supports both direct decoration and plaster finishing. Quick and easy to install using Knauf Plasterboard Adhesive and mechanical fixings, the XPS Laminate Plus helps reduce CO₂ emissions and cuts down on energy bills—making it a smart, sustainable choice for modern construction.

Features & Benefits

• Bonded insulation and plasterboard: Combines 9.5mm Knauf Wallboard with high-performance XPS insulation
• CFC & HCFC-free for environmentally responsible building
• Improved thermal performance with reduced board thickness
• Excellent vapour resistance, ideal for warm roof and internal wall applications
• Suitable for new builds and refurbishments
• Reduces energy costs and carbon emissions
• Tapered edge allows for direct decoration or plaster finish
• Slim profile helps maximise room space
• Complies with UK building regulations
• Quick installation using Knauf Plasterboard Adhesive and mechanical fixings
• Finish joints with Knauf Plasterboard Joint Tape and Knauf Fill & Finish Light
• Store flat and protected from weather for optimal performance

Specifications

• Board Size: 2400mm x 1200mm x 55mm (8ft x 4ft)
• Thickness: 55mm total (including 9.5mm plasterboard)
• Weight: 22.50 kg per sheet
• Manufacturer Code: 268267
• Brand: Knauf
• Shape: Tapered Edge
• Material Type: Polystyrene/Plasterboard

Why Choose Knauf XPS Laminate Plus – 55mm?

For projects requiring efficient insulation with a reduced footprint, the Knauf XPS Laminate Plus delivers a space-saving, energy-efficient solution that meets building standards while streamlining installation. Ideal for warm roof systems and internal lining upgrades, it's a smart investment in both performance and sustainability.