Between and Under Joists

Celotex high performance thermal PIR insulation for use between and under joists.

Application image
U-value Calculator
Are you on target for Part L?
Use the calculator

To upgrade an older building, Celotex’ between & under joists solution is an ideal option. With this application it is easy to minimise any loss of internal headroom and it provides reliable long term energy savings for buildings.

Application Benefits:

  • No need to remove existing weatherproofing covering
  • Ventilated cold roof construction
  • When using Celotex plasterboard laminates, the solution offers maximum flexibility and installation speed due to the tapered edge of the plasterboard

View Application Datasheet Calculator Icon

Recommended Products

1200 x 2400mm
0.021 W/mK

Application Image Thumb View Product

0.021 W/mK

Application Image Thumb View Product