120mm Celotex XR4120 PIR Insulation Board 2400 x 1200mm

Celotex 120mm Foil Faced Insulation Board

**Please note that due to the current war in Iran, there are major disruptions to the supply of all PIR Insulation. As the majority of the UK is affected, please don't place any orders unless you're happy to wait possibly 2 - 3 weeks. If you do want to check before making a purchase, please get in touch and we will get back to you within 24 hours**

Celotex XR4120 is a multi-purpose insulation sheet developed to provide simple solutions for overcoming localised thermal bridges. Part of Celotex's XR4000 product range which covers sizes from 110mm - 200mm.

Manufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and a low global warming impact. Covered on both sides with low emissivity foil facings.

A high-performance board that has been designed to be friendly to the environment and to reduce household energy bills. This also means a building's carbon footprint is also reduced. In the warmer months, the need for air-conditioning can also be reduced as Celotex have manufactured this product to keep unnecessary heat out. All-in-all, giving great energy savings across the board.

With XR4120 foiled faced sheets you are specifying an insulation board that:

• Is specifically designed to eliminate thermal bridges
• Comes in thicknesses ranging from 110-200mm, making it the thinnest PIR insulation available, in a standard board size of 1200mm x 2400mm 
• Is suitable for use in a number of applications including roof, wall and floor systems
• Is easy to cut and shape
• Includes low emissivity foil facings giving improved thermal insulation performance within cavity air spaces
• Provides reliable long-term energy savings for buildings

Multi-purpose insulation boards

Celotex XR4120 can be specified for use in a variety of applications including:

• Pitched Roofs
• Flat Roofs
• Solid Masonry Walls
• Timber Framed Wall Lining Steel Systems
• Timber Joist Floors
• Concrete Beam Floors
• Concrete Slab Floors
• Solid Masonry Walls
• Steel Framed Wall Lining Systems

Sheets have a high thermal resistance value of 0.022 W/mK which makes Celotex the ideal choice for PIR insulation when there is a lack of depth to work with.

Technical Specifications:

Thermal Conductivity: 0.022 W/mK

R-Value: 5.45m2K/W

Weight: 4.53 KG/m2

Thickness: 120mm

Coverage of Sheet: 2.88m2

Compressive Strength: ≥140kPa - BS EN 826

Material: PIR - Polyisocyanurate

Water Vapour Resistance: >150MNs/g - BS EN 12086: Method B

Fire Rating: Euroclass E

For the best price on 120mm Celotex, let Buildershop help with a fast, efficient delivery.