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Celotex TB4000 Insulation Board
From £15.64 inc VAT

Celotex TB4000 Insulation Board

Please be aware of the current supply shortage of "MDI" the main constituent of PIR insulation. Unfortunately, this is expected to impact PIR availability nationally for the coming months. 

Please call to check stock or for further details. 

Celotex TB4000 is a multi-purpose insulation board developed to provide simple solutions for overcoming localised thermal bridges. With low emissivity foil facings, TB4000 is manufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and low global warming potential (GWP). Our 12mm product positions Celotex as the manufacturer of the broadest range of product thicknesses, from 12mm-150mm.

With Celotex TB4000 you are specifying an insulation board that:

  • Is specifically designed to eliminate thermal bridges
  • Comes in thicknesses ranging from 12-40mm, making it the thinnest PIR insulation available, in a standard board size of 1200mm x 2400mm
  • Is suitable for use in a number of applications including roof, wall and floor systems
  • Is easy to cut and shape
  • Includes low emissivity foil facings giving improved thermal insulation performance within cavity air spaces
  • Provides reliable long-term energy savings for buildings

Celotex TB4000 can be specified for use in a variety of applications including:
• Pitched Roofs
• Flat Roofs
• Solid Masonry Walls
• Timber Framed & Steel Framed Systems
• Floors





Need a different size?  

12mm - 40mm  Celotex TB4000

50mm - 100mm Celotex GA4000

110mm - 150mm Celotex XR4000

From £15.64 inc VAT £13.03 ex VAT per Board
Code Description Unit Price (inc VAT) Quantity
285280120 TB4012 12mm x 1200mm x 2400mm Board £15.64
285280250 TB4025 25mm x 1200mm x 2400mm Board £18.17
285280300 TB4030 30mm x 1200mm x 2400mm Board £20.82
285280399 TB4040 40mm x 1200mm x 2400mm Board £24.84

Delivery Information

  • Free delivery on orders over £200 or £20 charge applies
  • Deliveries will usually be made within 2 working days
  • We will require a signature on delivery
  • We could deliver your order on large vehicles needing good access. Please advise us in the comments in your order
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Technical Information

Health & Safety datasheet-June 2010 pdfHealth & Safety datasheet-June 2010 (100kb) Celotex-TB4000-Product-Datasheet-Jan-13 pdfCelotex-TB4000-Product-Datasheet-Jan-13 (133kb)
For further details on this product please contact us