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Honest Bill 10-12-2012 12:17 PM

Exactly how should I insulate this?
We are converting a bedroom into a master bath. All of the walls are open. The room is at the north corner of the house on the ground floor. We live in NW Arkansas. The house is a 60's ranch with a full basement. 2x4 walls with brick veneer.

How should we insulate the two outside walls? Pink with paper on one side and facing in? Pink with paper on both sides? In both cases, add a vapor barrier with pink? Or, is fiberglass wrapped in plastic made by Johns Manville a better option? Do it another way altogether?

Also, we would like to insulate a third, interior wall for sound purposes that has the master shower running half the length of the wall with a hallway/guest bath on the other side. Exactly what kind of insulation would you suggest for that? The shower will be tiled.

Thanks in advance.

Gary in WA 10-13-2012 12:05 AM

In Zone 4?

R-13 wall is required;

No plastic vapor barrier or retarders;


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