Open Cell Spray Foam Insulation Soundproofing

Is less expensive than closed cell.

Open cell spray foam insulation soundproofing.

The main thing you should know is that the principal use for spray foam is creating insulation. The kit produces an excellent thermal barrier plus an air moisture and sound barrier. It ties with rock wool batts for an stc of 50 in a laboratory test environment. All of these are open and airy enough to adequately interact with the sound waves in the sealed wall or ceiling cavity.

Open or closed cell foam is a common consideration but not appropriate for soundproofing. First spray foam has the best stc rating of all the options. For damping the resonance in the air cavity we prefer medium density fiberglass cellulose cotton mineral fiber or polyester. Some places give the cost per board foot and others by square foot at r 1.

It is also less temperature sensitive than the open cell spray. The sound blocking ability can be compromised over time. Spray foam insulation cost open cell polyurethane spray foam. However i prefer a 1 inch thick square foot price.

There are several types of insulation foam that you may use to create a thicker barrier between rooms and floors to reduce noise but know that sound deadening is not the main goal when it comes to using this type of foam. Why open cell oc spray foam is best for sound attenuation. However in real construction a batt would be cut to fit around utilities and boxes leaving sound transfer cracks.