Adding Drain To Bathroom Floor

Measure 21 inches approximately above the finished floor.

Adding drain to bathroom floor.

Typically an entire bathroom group vents in the wall behind the sink where a 1 1 2 to 2 inch vent pipe connects to a sanitary t fitting. Lay the piping and secure it into the septic system. When adding a bathroom in a basement the main concern is how to get the wastewater into the existing plumbing system. Adding a bathroom in a basement.

The vent pipe runs upward to meet the house s main. Find the main drain line photo 1. Locate the main drain. The cost to add another bathroom.

Setting the plumbing for a new bathroom requires you to connect supply water pipes and drainpipes to existing systems. Ensure you wear the appropriate safety gear including goggles to avoid injury. Finding the space and building it out along with adding plumbing makes the cost to add a bathroom seem prohibitively expensive. The standard slope required on a water drainage pipe is 1 4 inch per linear foot of pipe.

You will need to dig under the wall inside as well in order to connect to the trench you dug outside. The sinks shower and bathtub must also all connect to the existing drain and waste vent system which means they must connect to the sewer and to the main vent stack. Connect the basement bathroom plumbing to the existing drain and vent lines in the floor and ceiling to complete the rough in plumbing. Using a jackhammer you will need to dig out a trench in the concrete for your new floor drain.

It doesn t have to be. This will result in the need to step up about 6 inches to enter the shower stall. From the center of the drain measure 4 inches to the left and 4 inches to the right. Add value and convenience to any home by installing a new bathroom on an upper floor.

Once the new plumbing is in place you can add fixtures and furniture to complete the room. If the house is on a septic tank or on a sewer line that will allow the water to naturally flow out of the house then you are in luck. Creating room for the drain slope as well as for a p trap installed in the drain line beneath the shower necessitates using an elevated shower base. Many people don t even consider adding a bathroom because they are sure bathroom remodeling is too expensive.