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Celotex  |  SKU: GA4050

50mm Celotex GA4050 PIR Insulation Board - 2400mm x 1200mm

£18.44 Ex VAT £19.70
£22.13 Inc VAT

This Celotex 50mm PIR Insulation board (GA4050) is a versatile floor, wall and roof insulation with lambda value of 0.022 W/mK.

Nationwide Delivery in 3-5 WORKING DAYS

  • £50 ex VAT Delivery
  • FREE DELIVERY OVER £500

Need a next-day or named day delivery? Call Us.


The 50mm Celotex GA4050 PIR insulation board is a versatile solution designed to counteract cold-bridging in numerous structures, including floors, walls, and roofs. Not only are these boards lightweight, but their rigid structure ensures ease during transportation, handling, and installation. One of the standout features of these Celotex Insulation boards is their environmentally-conscious composition. Utilizing eco-friendly blowing agents, they have a minimal impact on global warming. Furthermore, studies have confirmed that they possess zero potential for ozone layer depletion, emphasizing their commitment to environmental sustainability.
  • Can be used in a variety of applications – such as floor, wall, and roof.
  • Contain a combination of eco-friendly blowing agents.
  • Low-emissivity foil front that improves thermal performance.
  • BRE Green Guide rating A, which can be used in BREEAM assessments to show environmental performance.
Thickness: 50 mm
Length: 2400 mm
Width: 1200 mm
Coverage: 2.88 m²
R-value: 2.25 m²K/W
Thermal conductivity: 0.022 W/mK
Certification: BA 16/5352 BBA  17/5405
Country Origin: UK


The R-value denotes the resistance to heat flow – the higher the R-value the more insulating the product is.

  • Size
    2400mm x 1200mm
  • Coverage (m²)
    2.88
  • Thickness
    50mm
  • Material
    PIR

Do You Ship to My Address?

We deliver to most mainland UK addresses. If you are in one of the areas listed below and are unable to checkout, please give us a call to put together a custom quote.

Northern Ireland (BT), Isle of Wight (PO30-37), Isle of Man (IM), Scottish Highlands and Orkney Isles (PA, ML, EH, KA, G, KY, PH, DD, AB, IV, KW), Outer Hebrides and the Shetland Isles (HS, ZE) will incur additional charges and may also experience delivery delays.

How Much Will My Delivery Cost?

You can work out the cost of delivery on your order before checkout by heading to our Delivery Info page.

How Long Will Delivery Take?

We aim to deliver your items in 3 - 5 Working Days unless otherwise specified (eg - Sheds and Paving Kits). After you have placed your order, we will process your order and book a delivery day - which will then be sent to you via Email.

If have a specific request, please do give our team a call on 01156976800 and we will do our best to help.

What If I Need to Return Something?

If for any reason you wish to return your purchase, we will offer a refund or an exchange as long as this is requested within 14 days of receiving your order.

A manufacturer’s restocking charge may also apply on certain products such as non-stock items, which may be up to 30% of the purchase price, and you will be notified of this amount when you request a refund or exchange.

For full information visit our Returns Policy.

Celotex

50mm Celotex GA4050 PIR Insulation Board - 2400mm x 1200mm

£18.44 Ex VAT £19.70
£22.13 Inc VAT
The 50mm Celotex GA4050 PIR insulation board is a versatile solution designed to counteract cold-bridging in numerous structures, including floors, walls, and roofs. Not only are these boards lightweight, but their rigid structure ensures ease during transportation, handling, and installation. One of the standout features of these Celotex Insulation boards is their environmentally-conscious composition. Utilizing eco-friendly blowing agents, they have a minimal impact on global warming. Furthermore, studies have confirmed that they possess zero potential for ozone layer depletion, emphasizing their commitment to environmental sustainability.
Thickness: 50 mm
Length: 2400 mm
Width: 1200 mm
Coverage: 2.88 m²
R-value: 2.25 m²K/W
Thermal conductivity: 0.022 W/mK
Certification: BA 16/5352 BBA  17/5405
Country Origin: UK


The R-value denotes the resistance to heat flow – the higher the R-value the more insulating the product is.

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