By having the cavity walls of your home filled with ROCKWOOL ENERGYSAVER cavity wall material you will benefit straight away by stopping the 35-50% heat loss. That 35-50% is disastrous to your home heating bills. It does not cost much money to put it right.

The simple yet inexpensive operation of having your cavity walls filled with ROCKWOOL ENERGYSAVER cavity wall insulation stops the expensive waste of heat from the moment it is installed.