tnron72750
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I am in the process of installing a pedestal sink. the instructions said to drill two holes in the drywall, install mollies and screws. dont like that idea. I wanted to place two 2x4's where the screws go between the studs. Removed drywall, one 2x4 was no problem. the other one presented a problem (nothing seems to be easy). Where i need to place the 2x4 has a 3" pvc pipe running up the wall. I'm assuming its a waste vent pipe. My questions is: can i drill a pilot hole into the waste vent pipe, and then put the screw in it? Thanks for your replies