If you're not yet a member, you can get instant access by joining Which?. This includes, floor insulation to existing suspended ground floor, 150mm thick rockwool insulation slab, refitting the floor ...
Cavity wall insulation: Injected polystyrene beads to wall, cavity width 100mm. Making good all holes on completion Floor insulation: Floor insulation to exiting suspended ground floor, 150mm thick ...
The cost of 10mm thick aerogel insulation in the UK is around £50 ... It might also be useful for insulating floors where digging up or disturbing an existing floor would be too disruptive.
And since it's compressed into 2-inch thick rolls, this insulation reduces noise by up to 30%. The rolls can be installed with minimum safety precautions since they don't shed fibers or chemicals when ...