120mm PIR Insulation Board 2400mm x 1200mm ( 8″ x 4″ )

Product Overview

The 120mm PIR Insulation Board (2400x1200mm) is a rigid thermal panel designed for projects that demand excellent insulation performance without excessive thickness. Made with a polyisocyanurate (PIR) foam core and foil facings, this board combines lightweight handling with impressive thermal resistance, ensuring compliance with UK building regulations.

Its balance of thickness and performance makes it ideal for both residential and commercial builds. Easy to cut, fit, and seal, the 120mm PIR insulation sheet is a preferred choice for builders and DIY installers across London.

Applications of 120mm PIR Insulation

• Suitable for cavity walls, floors, and pitched or flat roofs
• Excellent for extensions, loft conversions, and retrofits
• Enhances energy efficiency with reduced heat loss
• Lightweight, easy to handle, cut, and install
• Widely used in London energy upgrade projects

Delivery in and Around London

We deliver 120mm PIR insulation boards to:

• All London boroughs: Croydon, Hackney, Lewisham, Camden, Hillingdon
• Greater London areas: Barnet, Bromley, Kingston, Enfield
• Surrounding counties: Surrey, Hertfordshire, Kent, Essex

Available in single sheets or bulk orders, with fast, reliable delivery tailored to your construction project.