Recticel Eurowall PIR Cavity Board 450 x 1200 x 70mm

Recticel Eurowall PIR Cavity Board 450 x 1200 x 70mm is a specialist, high-performance rigid insulation board engineered for partial-fill masonry cavity wall applications in both residential and commercial new-build construction. Supplied by Minster (STARK Building Materials UK Limited), it delivers outstanding thermal performance with a low thermal conductivity of just 0.022 W/mK, making it one of the most thermally efficient cavity board solutions available to UK builders and contractors.

Key Features and Specifications

• Material: Polyisocyanurate (PIR) rigid foam core
• Facings: Gas-diffusion-tight, multilayer metal foil on both sides with grid pattern
• Thermal Conductivity (λ): 0.022 W/mK
• Dimensions: 1200 mm (L) × 450 mm (W) × 70 mm (T)
• Coverage per board: 0.54 m²
• Edge profile: Precision-cut straight edges on all four sides
• Low emissivity facing: Improves thermal resistance within the residual clear cavity
• Moisture resistance: Does not degrade or deteriorate due to moisture exposure
• Certification: CCPI (Cavity Closer Performance Initiative) verified
• Application type: Partial-fill masonry cavity wall insulation

Applications

• Partial-fill masonry cavity wall insulation in new-build residential housing
• Commercial and mixed-use building cavity wall construction
• Installed between the outer and inner leaf of a masonry cavity wall, fitted between wall ties
• Suitable where a residual clear cavity is required to manage moisture and prevent water transfer
• Compatible with standard retaining disc fixings; boards staggered in a brick-bond pattern to eliminate cold bridging

Why Choose This Product

The Recticel Eurowall PIR Cavity Board 450 x 1200 x 70mm combines a market-leading λ value of 0.022 W/mK with CCPI verification, giving specifiers and contractors confidence in both performance and compliance. The precision-cut straight edges ensure tight board-to-board joints that minimise thermal bridging, while the moisture-resistant PIR core maintains its insulating properties for the lifetime of the building. Stocked by Minster — part of the STARK Building Materials UK group — it is readily available in trade quantities, making it a reliable choice for volume housebuilders, groundworkers, and self-builders alike.

Delivery in and Around London

Minster delivers the Recticel Eurowall PIR Cavity Board to trade and retail customers throughout London, including inner boroughs such as Croydon, Lewisham, Southwark, Camden, and Hackney, as well as Greater London areas including Enfield, Bexley, Redbridge, and Barnet. Deliveries also extend to the surrounding counties of Kent, Essex, Surrey, and Hertfordshire. Trade quantities and pallet orders are welcome — contact your local Minster branch for lead times and volume pricing.