Polyurethane foam spray is our top choice when insulating a home due to its ability to fill every area of the home including hard to reach crevices. We used open-cell spray foam insulation at 3222 Broad Branch Terrace NW to ensure that the exterior walls were void of any air pockets. Open-cell insulation also offers more sound dampening than any other insulation, thus creating tranquil and quiet living spaces and bedrooms.