Household Repairs Leaks in pipe. There is not a satisfactory permanent repair. For a temporary repair, see pipe, water-copper. To determine size of mending plate needed, use string measuiing technique.

If string measuressteel pipe size is
2 3/16"3/8"
2 5/8"1/2"
3 1/4"3/4"
4 1/8"1"
5 1/4"1 1/4"
6"1 1/2"


Leaks at fittings. Don't try to tighten fitting or pipe; you may only aggravate the problem. For a temporary repair, drain the pipe and dry fitting with a torch. Clean off rust, dirt and pipe dope. Smear on plastic steel and let set for several hours before turning on water again.

Leaks at unions. See pipe, water-copper.
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November 21, 2008