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Celotex GA4000 Insulation Board

Celotex GA4100, GA4050 GA4075 is a general application insulation board for floors, walls and roofs. More information
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Price from
£19.08 (inc. VAT) £15.90 (ex. VAT)

Availability: In stock

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Price from
£19.08 (inc. VAT) £15.90 (ex. VAT)

Celotex GA4000 Insulation Board

Celotex GA4000 insulation board is a general purpose board which can be use for floor, walls and roofs. Celotex GA4000 is specified by building control as the number one choice for house builders. Celotex GA4000 comes is also known as PIR insulation board. Celotex are well known for producing insulation PIR boards in the UK. We offer the cheapest prices online to buy Celotex GA4000. 

Celotex GA4000 features & benefits

  • Is suitable for use in a number of applications including roof, wall and floor systems
  • Comes in thicknesses ranging from 50-100mm
  • Features the best reaction to fire performance when measured in accordance with new European standards
  • Is easy to cut and shape
  • Includes low emissivity foil facings giving improved thermal insulation with cavity air spaces
  • Provides reliable long-term energy savings for buildings
  • Board size 1200mm x 2400mm (8ft x 4ft)


    Celotex GA4000 can be used for the following applications

  • Pitched Roofs 
  • Flat Roofs 
  • Solid Masonry Walls 
  • Timber Framed & Steel Framed systems 
  • Floors
Available sizes are GA4050, GA4055, GA4060, GA4065, GA4070, GA4075, GA4080, GA4085, GA4090, GA4100


Date Score Customer Comment Our Response
16-Oct-2014 Product:
Need to improve communication. Told it wouldn't be delivered till Tuesday (wanted it Monday) 3 different phone calls from them re the deliver and it did come on the Monday !!!
16-Oct-2014 Product:
As Above
16-Oct-2014 Product:
As Above
13-Oct-2014 Product:
A very good service. I would recommend this site. Thank you for your feedback, it is very much appreciated.

It is good to hear that you were happy with our service. We hope that you will use us again in the future.


BSO web team
07-Oct-2014 Product:
06-Oct-2014 Product:
Driver was very helpful and pre advised me when he was arriving.
06-Oct-2014 Product:
As Above
05-Oct-2014 Product:
Celotex was what I ordered but this was not delivered and instead I was delivered Kingspan but not a problem and I was happy with the replacement.
05-Oct-2014 Product:
Fine - as ordered
02-Oct-2014 Product:
Just as ordered
30-Sep-2014 Product:
Best on the market
26-Sep-2014 Product:
Good service, delivered on time would use them again.
20-Sep-2014 Product:
They provide DAMAGED Products, and rely on a technicality to avoid refund or replace Thank you for taking the time to leave us feedback, however looking at your order of Insulation and flooring we can see that all items were received in perfect condition. You have not contacted us since the receipt of your goods to say anything to the contrary either so we are rather in the dark ove... Read More.
15-Sep-2014 Product:
good boards Thank you for your feedback, it is very much appreciated.

We hope to see you again soon.


BSO web team
14-Sep-2014 Product:
Read more reviews on Feefo

Products No Longer Required

If you cancel your order at any time after the date of our acceptance of your order and within 14 calendar days following the date of delivery, we will give you a full refund including delivery charges.
If you advise us of your return more than 14 calendar days following the date of delivery we will advise you whether the return is acceptable and any costs associated. Any request has to be made via our RMA page. Phone returns are not acceptable.

Faulty or Damaged Products

In the unlikely event that a delivered product (including special order items) is faulty or damaged, we will exchange it or provide you with a full refund, as long as we are notified of the product's fault within 48 hours (24 hours paving and windows) of it being delivered to you.
To arrange for the product to be collected, e-mail  with your order number and details of the product to be returned. We will collect it at no expense to yourself, and either provide a replacement or process a refund if the product is no longer in stock. After 24 hours please refer to manufacturer returns policy.

Alternatively, you can make arrangements for collection of the product through our nominated carrier. The cost of the return will be at our expense. We require the return of the product within 14 days of the refund request being made.

All refunds will be made to the account used to purchase the product.

We reserve the right to inspect all returned products prior to agreeing to any part-refund, full refund or product exchange.