Plumbing A Sink Through The Floor

Cut notches about an inch wider than the pipe to accommodate a fitting.

Plumbing a sink through the floor.

Slip lengths of 2 inch pipe down through the holes drilled in the floor plate for the tub and sink vents. Have a helper hold the pipes plumb as you mark the plate below for notching. 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. The bathroom plumbing rough in dimensions you need to know.

Improperly installed drain and vent components can cause blockages water contamination and the release of dangerous sewer gases into the home and they can affect the plumbing in other parts of the house. How to install drain lines through the floor. Both sinks connect at one point sharing a common true vent to the stack. Check toilet to confirm location water supply connection.

You will also need to connect the drain pipe to the main vent stack. Measured from centerline running vertically through the center of the toilet supply line hole should be 6 inches to the side of centerline. Toilet rough in details. If you are lucky and the relocation is up the line i e.

The center of the lav s drain is located 18 approximately above the finished floor. Towards direction of flow you are gaining head room for your drain pipe at the rate of 1 4 per foot of travel which will make this a relatively simple exercise. When you are installing a kitchen sink drain pipe along with the drain attachment on the floor you will need to be able to fit the drain and the parts together. Adding another bathroom or relocating plumbing fixtures during a remodel requires running new drainpipes.

Ideally 8 1 4 inches above the floor. You can add a vertical vent to the sink drain pipe and have it connect to the main vent stack the water supply line fittings should be located two or three inches above the drain pipe fitting. It also shows what the sanitary cross would look like if you happen to have a sink on the other side of the wall. You can use a 12 pipe and glue a cap on top of it.

As far as the kitchen sink goes most of the code issues of concern to homeowners involve the drain and waste system. The bathroom sink rough in dimensions are as follows. Cold water only pipe creates one hole between 5 and 10 inches above the floor supply line horizontal.