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Listeners write in about haunted pipes and building-science tomes, and they ask questions about roof venting and roof leaks.
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"I have learned so much thanks to the searchable articles on the FHB website. I can confidently say that I expect to be a life-long subscriber." - M.K.
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On horizontal runs, ABS will sag between hangers after you run hot water through it and look "snakey" forever. And, if you don't like white, PVC is paintable.
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Barone:
ABS is more of a hazard in a fire, meaning, PVC is slightly safer.
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one thing you might check is your local plumbing inspector. Here in Idaho ABS is approved for DWV and PVC is not.
*Fred, I always paint the PVC whatever color the roof is, it works well and makes for a nice detail that the customers like.Vince
*Cast iron for waste (it is quieter. ABS for vents.
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