Plumbing A Sink Through The Floor

The bathroom sink rough in dimensions are as follows.

Plumbing a sink through the floor.

The center of the lav s drain is located 18 approximately above the finished floor. In most communities a permit from the local. Have a helper hold the pipes plumb as you mark the plate below for notching. Toilets and plumbing on slab on grade floors are relocated all the time.

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. Cut notches about an inch wider than the pipe to accommodate a fitting. Toilet rough in details. It also shows what the sanitary cross would look like if you happen to have a sink on the other side of the wall.

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. Ideally 8 1 4 inches above the floor. You will also need to connect the drain pipe to the main vent stack. 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.

How to install drain lines through the floor. If you are lucky and the relocation is up the line i e. Both sinks connect at one point sharing a common true vent to the stack. Check toilet to confirm location water supply connection.

Measured from centerline running vertically through the center of the toilet supply line hole should be 6 inches to the side of centerline. Adding another bathroom or relocating plumbing fixtures during a remodel requires running new drainpipes. You can use a 12 pipe and glue a cap on top of it. The bathroom plumbing rough in dimensions you need to know.

Slip lengths of 2 inch pipe down through the holes drilled in the floor plate for the tub and sink vents. 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. This image clearly displays what the loop vent looks like which you may need to use if your sink is too far away from the stack for a re vent pipe.