Amatuer123
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Hello, I have a DWV question regarding a shower base on a concrete floor. It is a 2 inch pipe opening which will be sealed in the shower base. However, the 2 inch pipe does not fit that snugly at the top lip (top Flat section) of the cast iron pipe. I tried a 2 inch hub but that was too thick. I was thinking some kind of sealant here. In addition, the 2 inch pipe will be resting down on the bottom and a seal there is not guaranteed as well. My concern is if ever there is a back up it would make it through these unsealed areas and into the concrete. Any advice is greatly appreciated. Fun Stuff!