Celotex XR4120 120mm x 1200mm x 2400mm

Celotex XR4000 Insulation Board

A polyisocyanurate (PIR) insulation board with excellent thermal performance, featuring a low emissivity foil facing.

Available in thicknesses from 110mm to 200mm, it can be considered for roof, wall and floor applications.

When using Celotex XR4000, you need to satisfy yourself that use of the product meets all relevant national Building Regulations and guidance as well as local, national and other applicable standards relevant to your construction or application, including requirements in relation to fire and applicable height restrictions.

Celotex XR4000 should not be used in the external walls of buildings over 11 metres in height. Recent changes to Building Regulations mean that only non-combustible insulation or insulation of limited combustibility should be used in buildings of that height.

Applications: 

Roofs

Pitched Roof Insulation

- Loft Insulation
- Between Rafters
- Between and Under Rafters
- Between and Over Rafters
- Pitched Roof Sarking

Flat Roof Insulation

- Balconies and Terraces
- Between and Under Joists

Walls

External Wall Insulation

- Timber Frame Walls

Floors

Ground Floor

- Beam and Block Floors
- Concrete Slab Ground Floors
- Upgrading Concrete Slab Floors
- Suspended Timber Floors