Description

Celotex Insulation PIR 140mm 8×4 (2400×1200)

Celotex Insulation / Xtratherm / Recticel / Kingspan / Unilin / Ecotherm

The 140mm Celotex PIR Insulation Board is a high-performance thermal insulation sheet designed for use in floors, walls, and roofs. Manufactured by Celotex, one of the UK’s leading insulation brands, it delivers exceptional energy efficiency while keeping installation fast and hassle-free.

Each board features low-emissivity foil facings on both sides, improving thermal performance and helping meet Part L building regulations. Lightweight yet rigid, Celotex PIR boards are easy to cut and handle on site — ideal for both new builds and refurb projects.

Key Features

• Thickness: 140 mm

• Board size: 2400 mm × 1200 mm

• Thermal conductivity: 0.022 W/mK

• Foil-faced on both sides for enhanced insulation performance

• Lightweight and easy to cut, shape, and install

• Suitable for floors, walls, roofs, and ceilings

• BBA certified and compliant with current building regulations

Applications

• Ground floors (solid or suspended)

• Internal and external walls

• Pitched and flat roofs

• Loft conversions and dormer cheeks

• Garage ceilings and extensions

Why Choose Celotex?

Celotex is trusted across the trade for reliable thermal performance and consistent board quality. The 140 mm board is perfect for reducing heat loss in tight spaces where thicker insulation won’t fit — giving you a simple way to improve energy efficiency without compromising space.

For bulk orders or trade pricing, contact us for a competitive quote.
If you have any questions regarding this product call 0113 204 7303 or contact us here.