Does whole house insulation help with sound dampening?

aaronpaul

New member
As an option, the builders usually provide an option for whole house insulation.  Does this help reduce sound between rooms?  I can imagine it helps a little but is it great enough to justify the cost? 
 
Yes. Highly recommend doing this. We have it in our current house and didn't have it in previous homes. I can tell a difference.  Also the cost isn't outrageous.  It was a couple thousand for us.  Not bad.
 
It's $1,546 at Strada for a ~2,700 sq ft house. We'll be adding this option. It makes the walls and floor between first and second level feel and sound more solid. This price includes insulating the exterior wall of the garage. Hopefully this minimizes the sauna effect so common in garages on hot days.
 
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