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Celotex PIR Insulation Board 2400mm x 1200mm

Rigid Foam Insulation - Energy-Efficient Foam Boards for Walls & Roofs

Rigid foam insulation offers superior thermal resistance, making it the top choice for insulating walls, roofs, and foundations. With excellent moisture resistance and high compressive strength, it's ideal for both residential and commercial projects. Browse our collection of industry-leading foam boards, including Kingspan Thermaroof and PIR foam boards, designed to reduce energy costs and enhance comfort year-round.

Why Choose Rigid Foam Insulation?
Rigid foam insulation is a reliable option for homeowners, builders, and architects. With an impressive R-value of up to R-6 per inch, these boards ensure optimal thermal performance while helping you meet stringent building codes. Whether you're insulating walls, roofs, or foundations, this insulation offers a perfect balance of durability, ease of installation, and long-term savings.

Benefits of Rigid Foam Insulation

  1. High R-Value: Maximise your energy savings with insulation offering an R-value between R-4 and R-6 per inch.
  2. Moisture Resistance: Ideal for below-grade applications such as basements and foundations.
  3. Durable and Lightweight: Easy to transport and install, even for DIY enthusiasts.

Common Applications

  • Insulating with Rigid Foam in Attics
  • Rigid Foam for Between Studs in Walls
  • Foundation Insulation with Rigid Foam Boards
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Our customers tell it better than we do!

Excellent 4.3 / 5
based on 983 reviews

Very easy

Very easy, nice people and great service from start to finish. Kept up to date regarding delivery so very happy indeed. Would definitely recommend, well done

Michael Falzon – 25 July

Ultra fast

Ultra fast delivery, technically superlative company, their products are light years ahead of all others. Unbelievable prices. I have been in construction for nearly 70 years now and am still working every day. This company is why I keep getting up in a morning. Thank you dear sirs/ Madam for making life easier

Anonymous – 16 July

Great Speedy service

Great speedy service. OSB boards arrived 1 week ahead of schedule. Driver asked where he could unload rather than just unload. Would definitely recommend.

Anthony Maynard – 15 July

The delivery was exceptional

The delivery was exceptional. We were expecting it on 23rd, we got it on 22nd. It was put in the exact spot we needed it to be put.

Mrs. Stephanie Caulfield – 22 July

Competitive Price and Fast Delivery

They were very helpful when choosing the products that I wanted to order and they were fast at delivering. I was particularly impressed that they telephoned us afterwards to ensure the lintel arrived safely which is very unusual.

Rod Mathieson – 21 July

Grinning like an Armstrong Cheshire Cat

Easy fast ordering on line Delivered exactly as agreed in good condition. And left us all as the title of this review! Thank You

Mr David Nash – 17 July

Why Choose Rigid Foam Insulation?

Upgrade your insulation today with high-performance rigid foam boards from trusted brands like Kingspan and Celotex. Whether you're insulating walls, floors, or roofs, our foam boards are designed to maximise energy efficiency and long-term comfort.

Frequently Asked Questions

A: Yes, rigid foam insulation can be installed between studs, providing excellent thermal performance and helping to reduce thermal bridging.

A: Absolutely! Rigid foam insulation is highly moisture-resistant, making it perfect for insulating basements and other below-grade spaces.

A: A thickness of 2 to 3 inches is typically recommended for walls, depending on your specific insulation needs and local building codes.

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