Celotex XR4150 150mm PIR Insulation Board

The Celotex XR4150 is a high-performance polyisocyanurate (PIR) Insulation Board delivering exceptional thermal efficiency and straightforward installation. Finished with a low emissivity foil facing, this product suits numerous applications including Floor Insulation, walls, and roofs.

These lightweight 150mm PIR boards measuring 2400 x 1200mm represent an excellent choice for effective Insulation requirements. The low emissivity foil facing delivers superior thermal performance. The product achieves a BRE Green Guide A rating, confirming its sustainability credentials. BBA certification is held under certificates 16/5352 for Timber Frame Dwellings and 17/5405 for Pitched Roof, Dry Lining, and Floor Insulation applications.

Properties

Thickness: 150mm PIR

Length: 2400mm

Width: 1200mm

Dimensions: 2,400mm x 1,200mm x 150mm = 2.88m2

Weight: 14.04kg

Density: 42kg/m3

Material: Polyisocyanurate PIR Insulation

Profile: Improved thermal performance

Thermal Conductivity: 0.022 W/mk

R-Value: 6.80 m2K/W

Series: Celotex XR4000

Compressive Strength: 120kPa

Vapour Resistivity: 100 MNs/gm

Building Regulations: Compliant - 16/5352 | 17/5405

Finish: Low Emissivity Composite Foil Facing

Applications: Walls|Roofs ǀ Floors ǀ Ceilings

BBA Certified: Yes (no. 17/5405, 16/5352)

Reaction to Fire: Euroclass F

Edge Profile: Square Edge

Features: High-performance PIR Rigid Insulation

About

Thermal Performance - This 150mm Insulation Board provides outstanding thermal efficiency, with a thermal conductivity rating of 0.022 W/m.K, enabling reduced insulation thickness whilst meeting your target U-value. High Performance Facer - The low emissivity foil facing enhances thermal performance within sealed cavity air spaces, delivering improved U-value results. Easy to Install - These 150mm boards are lightweight and rigid, making transport, handling, and installation straightforward. BBA Certified - The Celotex XR4000 has BBA approval for defined roof, wall and floor applications when installed, used and maintained according to the certificate. Sustainability - Celotex Insulation XR4000 achieves a BRE Green Guide Rating of A

Applications

Roofs - Pitched Roof Insulation - Between and Under Rafters Roofs - Flat Roof Insulation - Balconies and Terraces Roofs - Flat Roof Insulation - Between and Under Joists Walls - External Wall Insulation - Upgrading Cavity Walls Walls - External Wall Insulation - Timber Frame Walls Walls - External Wall Insulation - Solid Walls Floors - Ground Floor - Beam and Block Floors Floors - Ground Floor Insulation - Concrete Slab Ground Floors Floors - Ground Floor Insulation - Upgrading Concrete Slab Floors Floors - Ground Floor Insulation - Suspended Timber Floors

Celotex PIR Insulation

This 150mm PIR Insulation Board delivers excellent thermal performance with a thin profile, making it ideal for contractors and builders. Its high-performance properties and adaptability help enhance building energy efficiency, reduce heating and cooling expenses, and create a more comfortable living space.

Info

Explore our full Celotex range and refine by thickness or coverage using the filters on the left. For project suitability advice or bulk pricing, contact us on +4402038839057, email sales@insulationbee, or use Live Chat - Lowest UK Insulation Prices.