Celotex Insulation

Celotex is a rigid PIR insulation board used for high-performance thermal insulation in walls, roofs and floors. TSAR supplies Celotex insulation boards, delivered across London and Greater London.

Available sizes / specifications

Thickness Product
50mmCelotex Insulation Board
75mmCelotex Insulation Board
100mmCelotex Insulation Board
150mmCelotex Insulation Board

Where it's used

  • Wall insulation

  • Roof insulation

  • Floor insulation

Related products

Celotex boards are often specified alongside sheet materials and carcassing timber in roof and floor builds.

View timber→

View sheet materials →

Need Help Ordering Loft Insulation?

Read our guide to loft insulation thicknesses, quantities and what to check before ordering.

View our loft insulation guide →

Need this for your project?

Contact TSAR for availability and delivery across London and Greater London.