This home is now energy efficient and comfortable! Installers drilled small holes between the studs and injected the wall cavities full of RetroFoam. Then, they plugged the holes with wooden plugs. With this particular type of siding, all that would need to be done is to paint over the plugs since you can't take this siding off. The walls of this two-story home are now insulated with a high R-value, non-toxic and class 1 fire rated injection foam that will keep the house's temperature comfortable for good!
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