Rather place your order over the phone? Trade customers can call us directly to place new orders on 0208 2641 144. Lines open 8am - 10pm 7 days/week.

Rockwool’s RWA45 stone wool insulation slabs are designed for thermal, acoustic, and fire protection in walls, floors, and ceilings. Made by well-known insulation brand Rockwool, these slabs are non-combustible and come in a range of thicknesses – in this case 100mm. RWA45 insulation is suitable for both residential and commercial building jobs, including metal and wood partition walls and upgrades of existing solid walls. These mineral wool insulation slabs are easy to handle, cut, and install, and are designed to retains their shape and thickness for the lifetime of the building.
| Thickness | 100mm |
| Thermal conductivity | 0.035 W/mK |
| Fire classification | A1 |
| Dimesnions | 1200 x 600mm |
| Material | Stone wool |