how to solder copper pipes right up against sheating

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by markrvillalobos, Jun 11, 2012.

  1. markrvillalobos

    markrvillalobos New Member

    Joined:
    Jun 11, 2012
    Location:
    Chicago
    hello
    I just bought an investment property and am discovering all sorts of fun in the way of burst pipes. I finally located a burst pipe in a wall in an exterior wall that has very little insulation. The building is frame construction and the pipes are only a couple inches from the old, dry exterior sheathing. What is the best way to solder copper pipes that are so close to combustible old wood?

    After I fix the pipes what is the best way to insulate the pipes- foam wrapped around the pipes plus putting fiberglass between the exterior walls and the pipes? Would spraying spray foam help or just make a mess?

    thanks,
    Mark
     
  2. Winslow

    Winslow Plumber

    Joined:
    Dec 30, 2005
    Occupation:
    Plumber
    Location:
    Hawaii
    use a heat shield. you can buy one or make your own.
     
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  4. Gary Swart

    Gary Swart In the Trades

    Joined:
    Sep 1, 2004
    Location:
    Yakima WA
    I've had good luck with a #10 can with both ends removed and the side split. It's not pretty, but it works. If I was a pro, I'd likely buy a shield, but for an occasional joint where protection is needed, this works fine.
     
  5. johnjh2o1

    johnjh2o1 Plumbing Contractor for 49 years

    Joined:
    Aug 9, 2009
    Occupation:
    Retired
    Location:
    South*East
    Along with the heat shield spray some of this product on the surrounding wood. It works great.


    John

    [​IMG]

    Laco Flux
    La-co
     
    Last edited by a moderator: Feb 5, 2014
  6. hj

    hj Moderator & Master Plumber Staff Member

    Joined:
    Aug 31, 2004
    Occupation:
    Plumber
    Location:
    Cave Creek, Arizona
    To demonstrate the anti heat gel, the Laco rep sprayed it on a $100.00 bill and then held a match to it. DO NOT let it get on the pipe you are trying to solder however, because it will also repel the heat at the solder joint.
     
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