Plumbing Tools Challenge: Can You Master Every Pipe Tool Like a Pro?Share:FacebookPinterestTwitterMailWhat tool is used to melt and join copper pipes with solder?30%Next Correct Incorrect Soldering torches heat copper joints, allowing solder to flow and create a watertight seal. What tool is used to melt and join copper pipes with solder? Heat Gun Glue Gun Blow Dryer Soldering Torch 30%