New garage time!

   / New garage time! #1,623  
You can pack the pipe with white bread to stop the water from coming out while soldering. They also sell a dissolvable foam type product that does the same thing as bread.

I keep a length of clear tubing in my soldering toolbox that fits inside half inch copper pipe. I either syphon the water out of the pipe, or I put the tubing as far in as I can, then plug the end of the tubing with my finger and pull the water out in the tubing.

If I'm lucky, they house I'm working on has an outside spicket that's lower than the water level and I can drain it that way.
 
   / New garage time!
  • Thread Starter
#1,624  
You can pack the pipe with white bread to stop the water from coming out while soldering. They also sell a dissolvable foam type product that does the same thing as bread.

I keep a length of clear tubing in my soldering toolbox that fits inside half inch copper pipe. I either syphon the water out of the pipe, or I put the tubing as far in as I can, then plug the end of the tubing with my finger and pull the water out in the tubing.

If I'm lucky, they house I'm working on has an outside spicket that's lower than the water level and I can drain it that way.
How do you get hte white bread out after you're done?

I ended up dropping the brackets that hold it up and draining it that way. The whole length of the tube between shutoff's was only about 20' and linear.
 
   / New garage time! #1,625  
The bread dissolves. Never use the crust, just the white bread. You have a window of time to get the soldering done, but if you take too long, you have to add more bread.

I've only done the bread trick once. After that I found the foam stuff at Lowes and used it for years. But now I just use the tubing. Most of the time I'm sweating for water valves in bathrooms, and the water doesn't have anywhere lower to go then where I cut the copper. I just need to lower the water enough so I can get the copper hot.
 
   / New garage time!
  • Thread Starter
#1,626  
Ok so it's not "packed" with bread, just kind of stuffed in there lightly.
 
   / New garage time! #1,627  
 
   / New garage time! #1,628  
Ok so it's not "packed" with bread, just kind of stuffed in there lightly.
I'm not sure what the difference is? You use the white bread to stop the water from flowing, so you have to force as much as possible in there to stop the water.
 
   / New garage time! #1,629  
You can pack the pipe with white bread to stop the water from coming out while soldering. They also sell a dissolvable foam type product that does the same thing as bread.

I keep a length of clear tubing in my soldering toolbox that fits inside half inch copper pipe. I either syphon the water out of the pipe, or I put the tubing as far in as I can, then plug the end of the tubing with my finger and pull the water out in the tubing.

If I'm lucky, they house I'm working on has an outside spicket that's lower than the water level and I can drain it that way.
What is that dissolvable foam?
 
   / New garage time! #1,630  
What is that dissolvable foam?
I just did a search on Lowes.com and Amazon.com for what I thought it was called, but didn't find it. I haven't bought it in years, but when I did, it was from Lowes.

It was white, flat and about a foot square. There might of been a couple sheets of it. I think it was about half an inch thick. It lasted quite a while. I probably bought it twice in ten years.

It wasn't something I used all the time, and eventually I think I just threw it away because I switched to the plastic tube for getting water out of the lines.
 

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