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How to Solder Copper Pipe

Soldering copper pipes is an important skill for many home improvement projects. Tim Carter of AsktheBuilder.com shows you how to solder copper pipe to get a water tight seal.  
 
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SparkleMirror (1 month ago) Show Hide
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This is the second time I've used this video to successfully cap off a copper pipe. Thanks again!
MacsCanfly (1 month ago) Show Hide
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mapp is now acetylene, so you can got a nice acetylene torch for 60 bucks and the gas for it is only 8 bucks
toddhampson (2 months ago) Show Hide
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Thanks for the really useful video Tim. Qucikc question, do you know how much pressure that joint will hold ? I am looking to build a new launcher for our water rocket using some copper pipe. I usually test our piping to 150psi
AsktheBuilder (2 months ago) Show Hide
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Solder should hold. But to be safe, braze the joints with silver solder.
toddhampson (2 months ago) Show Hide
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ok thank you :)
turtle4aire (1 month ago) Show Hide
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One point here to make is if you solidering refrigeration lines, Don't put flux inside the pipe because it will leave acid in the system. Acid inside the system will eat compressors up.
AsktheBuilder (1 month ago) Show Hide
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I thought most AC and refrigeration lines are brazed not soldered. And you flow nitrogen through the lines as you braze. Isn't that the methodology? I'm not an HVAC or refrigeration expert by any means.
AsktheBuilder (3 months ago) Show Hide
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I disagree. Your tip is a little too quick. You should flux the fitting as well to ensure there is no oxidation of the copper as you heat it.
andrey162000 (1 month ago) Show Hide
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i also dont agree with your flux the pipe method only, iv never heard of that type of method before, always pipe and fitting
AsktheBuilder (1 month ago) Show Hide
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It doesn't matter if you agree with me or not. All that matters is if the joint doesn't leak and there's minimal flux residue inside the piping. Go to the Copper Development Association's web site to discover what else you might not know about soldering.

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