Soldering Copper Pipe

Tips and techniques you need to know

There's a right way to solder copper pipe—and a wrong way. Learn the difference so that your next bathroom or kitchen plumbing project is successful and trouble-free.

By the DIY experts of The Family Handyman Magazine

Keep nearby soldered joints from melting by wrapping a wet rag around them

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Use MAPP gas to speed up the job

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Use a flame protector

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Buy new fittings

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Use the proper amount of solder

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Keep threads solder-free

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Use tinning flux

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Keep pipes dry when soldering

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Assemble pipe in sections

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Required Tools for this Project

Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.

  • Rags
  • Soldering torch
  • Tube cutter

You'll also need a flux brush, plumber's sandpaper and wire brushes for cleaning pipes, and a flame protector.

Required Materials for this Project

Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.

  • MAPP gas
  • Tinning flux
  • Lead-free solder
  • Pipe plugs
  • Pipe strap
  • Copper pipe and fittings