Originally Posted by starklan
I am wanting to finish off a bathroom in my basement. When I bought the house the builder told me that the spot had allready been set up for a bathroom, and indeed there is a pipe sticking out of the concrete where the toilet will go and a 14"x14" cut in the concrete that gives access to another pipe where the bathtub will go.
My question is, are these pipes usually vented and trapped? Is there a way I can go about verifying that they are or are not vented and trapped correctly?
Thank you in advance for your help!