Rethink Your Life!
Finance, health, lifestyle, environment, philosophy
The Work of Art and The Art of Work
Kiko Denzer on Art
[Cob] pipesAmanda Peck ap615 at hotmail.com
Fri Apr 29 15:33:16 PDT 2005
Too true. I can remember in the early 90's getting a roll of it, with some connectors to replace the PVC stuff that was just about solid splices by then. The next year when I looked for it couldn't find the connectors, store had recalled/discontinued the whole line. But PVC splits at the first sign of freezing. Easy to fix, but.... 500 watt halogen bulbs in the crawl-space worked pretty well in my way too low crawlspace in Nashville. When I remembered to turn it on. If you've got decent water pressure it won't matter--much--if your supply pipes go up or down. Waste pipes need to go donwards, but really quite slowly, so the solid bits get washed down and don't solidify in the pipes because the water can bypass them easily. I've always thought that a large u-shaped channel into a central utility core would be a good idea. It could be covered with wood, or even wood covered with the same material your floor was made of. Won't work for radiant heat, though. I read about people who LOVE radiant floor heat. And I did read that the late Ken Kern was NOT one of them. He thought that the rising heat put lots of dust into the air. It may depend on how much of a neat freak you are. No shoes (or dogs, or cats) inside, twice daily mopping, not to mention air cleaners, would make a difference. Has anyone seen the "building with awareness" DVD. In it we get to watch them nonchalant laying the pex for the radiant underslab (after a long song and dance about minimizing concrete) system. That and the plastering bits are worth the cost. ............ Shannon cautioned with respect to pex: There is no panacea in piping, pex has at least some history of recalls, lawsuits, and catastrophic failures, particularly when used to transport hot water. It's use in plumbing is relatively recent, and we don't know what the ultimate long term issues might be (my brother was one of the unlucky ones who used it in the house he built in the early/mid 1990's). It is generally a good idea to assume the worst when using a new material for a long term application, because accelerated material life testing does not have the greatest track record. My personal approach is avoid routing water anywhere you don't have to (imagine the work involved in replacing failed hydronic piping in a cob floor, or even worse, a cement one), and make provisions to minimize the damage elsewhere (drainage and/or routing through areas where the damage will be minimal).
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