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Thanks! Sleeving has been required since forever. But I did find an example in a local code that allows no sleeve, if boring a hole in an existing wall... but the pipe still has to be free to move longtitudinally, yet sealing is still needed. So, something elastomeric as above, but NOT...

OK, code requires a "sleeve" around any pipe passing through a concrete basement wall... the gap between pipe and sleeve is to be packed with something flexible to allow for relative movement. So two questions: 1. WHERE was the inspector when my builder passed the copper pipe right through a...