I am in the process of finishing my basement. The builder installed rough-ins in the basement (toilet and sink drain) which stick out about 12" from the concrete floor. They are currently capped off, but I won't be using them, so I need to cut them even with the concrete floor in order to install a subfloor over top. What's the best way to cap the rough-ins after I cut the pipes to ensure they will stay sealed (as they will no longer be accessible beneath the new floor)?
I am not aware of a male glue in plug for this. I would say your going to have to cap it with a female and make allowances in the sub floor for the cap. If you laying 2x4s for a sub this wont be a problem. If your just laying sheet goods you will need some space to allow room for the cap. Maybe 2x2s in this area. I wouldn't kill the ruffins you may want them some day. Only other way is to chip some concrete away so you can cap the lines flush. Not a bad deal.
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