Sink Drain Through Floor

I just went through the same exercise myself including the installation of a pedestal sink.

Sink drain through floor.

In order to do this you will have to attach the drain to the s trap below your sink where it falls into the floor including applying putty and putting drains into the base of the sink adding the tailpiece and then fitting the t. If your sink drain is located in the floor all that you need to do is reposition the p trap slightly. The commode drainpipe is the largest in diameter either 3 or 4 inches and. The sink s drainpipe runs downward to connect in the floor to the main drainpipe which originates with the commode.

Drains that are in the floor are quite common. Your p trap the u or j shaped pipe is connected to the drain tailpiece. A sewer drain clog can be a serious problem that may qualify as a plumbing emergency and a potential health concern. If you don t have a vent on your sink drain you can use one of these air admittance in line vents from oatey here.

The holes must follow a straight line across the floor and must ascend or descend so the pipe will be sloped 1 4 inch per foot. Http amzn to 2uuxg5o quick video explain. If the potential sink location is on a 2nd floor i can t imgine not having to bust into the ceiling under it too even to run the drain straight down. That drain tailpiece runs from the sink to the drain.

Distance right to left from each water supply pipe to the drain. Sink drains that exit through the wall behind the sink require a p trap and sink drains that exit through the floor beneath the sink require an s trap. Rough in sink drain through floor. Without a route to the main sewer system or septic field wastewater may have nowhere to go but to back up into your fixtures or up through floor drains.

Distance from the floor or wall to where the drain enters the wall or floor distance between the floor and the water supply pipes. If joists are 16 inches on center and pipes run across them at a right angle holes should differ in height by about 3 8 inch.