Celotex TB4000 Insulation Board

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Celotex TB4000 Insulation Board Celotex TB4000, available in as thin as 12mm, is a high performance PIR insulation ideal for overcoming thermal bridging and for use in two layer build ups, including between and under rafters and over stud in timber frame wall lining applications. Board size: 1....

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Celotex TB4000 Insulation Board

Celotex TB4000, available in as thin as 12mm, is a high performance PIR insulation ideal for overcoming thermal bridging and for use in two layer build ups, including between and under rafters and over stud in timber frame wall lining applications.

Board size: 1200 x 2400mm
Thickness: 12-40mm
Lambda: 0.022 W/mK 

Celotex TB4000 is available in a range of thicknesses unrivalled by any other PIR manufacturer. Suitable for a range of roof, wall and floor applications, Celotex TB4000 offers a high performance PIR insulation board that: Is suitable for use in a number of applications including roof, wall and floor systems Is specifically designed to eliminate thermal bridging Includes low emissivity foil facings offering enhanced thermal performance within cavity air spaces

Suitable For:

  • Beam and Block Floors
  • Between and Over Rafters
  • Between and Under Rafters
  • Between and Under Joists Concrete Slab Floors
  • Garage Conversions
  • Loft Conversions
  • Pitched Roof Sarking T
  • imber Frame Wall Lining
  • Steel Stud Frame Walls
  • Single Timber Frame Wall Lining
  • Timber Frame Walls Sheathing