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OP t1_itoxajw wrote

Reply to comment by in Best plumbing solder? by

Awesome. Definitely not crazy high temps. Why’s that with concrete slabs? Is it in case of movement or something? Sorry for the radio silence, this is work at my MILs and I was there until midnight last night trying to get it done…

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t1_itpn6ej wrote

It is necessary because the expansion and contraction of concrete will cause soft solder to separate over time

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t1_ittk5eh wrote

Soft solder on potable water joints are banned in Australia because it contains lead

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t1_itud5mt wrote

They dont make lead based solder here in the states anymore. It's mostly silver, tin and antimony. It's still soft solder on a roll though it doesn't flow as easily as the old lead based solder.

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