I was able to take a section that I soldered and wiggle the pipe until it became undone. Isnt a properly solderered pipe supposed to be pretty sturdy ay the joint?
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Yes, a properly soldered pipe joint should not be able to be just pulled apart, even after some wiggling. All the things Dick mentioned need to be done. You need to properly clean the outside of the pipe, the inside of the fitting, either by wire brush tools or sandpaper. When they are bright and clean you need to liberally apply flux, (this helps to clean the metal even more when it's heated), then apply heat to the fitting, not the pipe, and touch the solder end to the pipe where it enters the fitting lightly, after some heating, till it starts to flow, then put a good amount into the joint area, (I put in enough till it comes out the bottom), then remove the solder and the heat. You can allow it to cool by itself in the air or put a wet towel on it if you're in a hurry. Done properly, it won't pull apart. If you want to do an entire room or system before testing, install an air chuck system at one end and cap and solder closed the far end, then apply air. If it holds air it will hold water.
You move the heat across the joint while touching the joint with solder. Then you will know when the pipe is at a temperature to allow the solder to run. then remove the heat, and apply solder around the joint and it will run into the joint. When you clean the pipe before soldering, do not touch the cleaned area until you have applied flux. To test the pipework, turn the water back on slowly, and check for leaks. if it seems okay, then turn the water on more, and check again.
if it become undone then you did not solder it correctly,it should be very hard to take apart,try it again ,and this time read up on how to solder copper water lines.good luck.
