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    Dennis234's Avatar
    Dennis234 Posts: 1, Reputation: 1
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    #1

    Dec 27, 2010, 09:20 AM
    I just built a house an the basement plumbing is roughed
    Do I need to hammer out the floor to put in a p trap if the plumbing is roughed in? The drain is where it needs to be.
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #2

    Dec 27, 2010, 09:35 AM

    HI Dennis...

    The PTRAP should be roughed in for a shower. To check this, cut off any cap to the shower pipe and pour 1/2 gallon of water into the pipe. Then, take a flashlight and check to see if water remained in the pipe/trap... if so, the PTRAP is in place and you are all set.

    A tub drain probably wouldn't have the PTRAP installed... just a pipe stubbed into a box. You would need to determine the rough in as needed and install the PTRAP yourself.

    The toilet has an integral trap so yoou will only have a pipe stubbed up for it... no PTRAP underground.

    The sink will obviously have the PTRAP under the sink, so no PTRAP underground here either!

    Questions? Let me know...

    Mark
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