Installing RetroFoam
When insulating an exterior wall, RetroFoam is installed beneath the siding. To do this we remove a piece of siding and cut out a small hole to access the wall cavity.
Installed
We then inject the foam into each small hole. RetroFoam will turn stiff after installed, effectively sealing out air and even lessening noise!
Project Complete
Once installed, we replace the siding back to where it was. We then make sure to leave the area clean and tidy!