- Jan 28, 2003
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i will be having a 12x12 room upstairs for my studio. my wife will only agree to spending so much. my builder suggested r13 insulation all the way around the room since it will already be on the front 1/2, and r19 insulation which is what he will put in the floor downstairs. it will be $425 for this room. is this a good idea, and will it keep sound in? is it worth it? if not, what would be a cheap alternative?