Pipes in an outside wall


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Old 11-22-10, 11:23 AM
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Pipes in an outside wall

I'm in the middle of a bathroom renovation and my customer (my wife) has submitted a change order. Originally the plan was to have a shower with one inside wall. Thay was to be my plumbing wall. Now she wants an all glass shower with only the two outside walls tiled.

My problem is running the supply piping in an outside wall. I'm in a cold climate and I'm concerned they will freeze. I've decided to frame in a double wall but before I do that I would like to know if there are any insulation products that I could use if I ran the pipes in the outside wall.
 
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Old 11-22-10, 11:59 AM
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You can probably do it if you insulate between the exterior and the pipe with EPS or spray foam and leave it open between the interior wall and the pipe. The heat should penetrate enough to keep it from freezing. I had to do similar with the kitchen in my last house when they put the insulation in after the pipes were installed.
 
 

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