You have no items in your
shopping basket.

ORDER HOTLINE: 01295 701777 8:30am - 5:00pmFREE NEXT DAY Delivery (on selected products) Public & Trade UK Delivery

Celotex GA4000 Insulation Board

Celotex GA4100, GA4050 GA4075 is a general application insulation board for floors, walls and roofs. More information
  • In stock Available to order online
  • Delivery BIG & HEAVY Select A Day
  • Loyalty points! You earn 20 loyalty points
Price from
£18.30 (inc. VAT) £15.25 (ex. VAT)

Availability: In stock

* Required fields

Price from
£18.30 (inc. VAT) £15.25 (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
07-Jul-2015 Product:
Did not receive.
23-Jan-2015 Product:
very helpful and friendly - really impressed with service
17-Jan-2015 Product:
quick and efficient service with very nice lady on the phone to answer my querie
31-Dec-2014 Product:
Boards arrived bent! Read More.
18-Dec-2014 Product:
05-Dec-2014 Product:
Easy transaction prompt delivery would recommend
05-Dec-2014 Product:
Product in good condition, clean, and no problems at all.
Delivery driver was excellent and went out of his way to ensure products delivered safely despite huge lorry and a restricted access.
27-Nov-2014 Product:
Some of our boards were damaged when the fork lift truck loaded onto the lorry. As our builders we're waiting for them we did not have time to get replacements offered by BSO.
27-Nov-2014 Product:
As Above
07-Nov-2014 Product:
Several boards were not up to standard --ie creased and bent.(the loose ones) and one was not celotex but a similar make. I loose ones were disappointing.
07-Nov-2014 Product:
Trying to order on line proved difficult due to the different widths of insulation.
the gentleman who assisted on the phone sorted the order very well.
05-Nov-2014 Product:
Excellent and easy to use
30-Oct-2014 Product:
next day delivery,1st class products
24-Oct-2014 Product:
good but price match service slow and inefficient
23-Oct-2014 Product:
quick delivery
Read more reviews on Feefo

Products No Longer Required

You can return any unused product to us in its original condition for a refund within 14 days of delivery to you. You the buyer will pay the cost of returning the item. See below for estimates on the cost of returning items.

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.


Returns via courier

All products marked as a parcel will be able to be returned by a standard courier the approx cost of this will be £7.50 per item. Costs may vary depending on the size and location of the parcel. 

If you need any further product information in order for you to estimate the cost of returning the item please contact us.

Returns via pallet or artic

All goods marked as 'BIG & HEAVEY' will incur a cost of  approx £45 per pallet for you to arrange. Costs may vary depending on where you are sending it from etc. 

If you need any further product information in order for you to estimate the cost of returning the item please contact us.