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.
Adding drain to bathroom floor.
Measure 21 inches approximately above the finished floor.
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.
The vent pipe runs upward to meet the house s main.
Find the main drain line photo 1.
The cost to add another bathroom.
The hot line and cold line are spaced 8 inches apart from left to right.
You will need to dig under the wall inside as well in order to connect to the trench you dug outside.
From the center of the drain measure 4 inches to the left and 4 inches to the right.
This will result in the need to step up about 6 inches to enter the shower stall.
Ensure you wear the appropriate safety gear including goggles to avoid injury.
Using a jackhammer you will need to dig out a trench in the concrete for your new floor drain.
Once the new plumbing is in place you can add fixtures and furniture to complete the room.
The bathroom sink s water lines are roughed in 3 inches above the drain.
The standard slope required on a water drainage pipe is 1 4 inch per linear foot of pipe.
Add value and convenience to any home by installing a new bathroom on an upper floor.
Finding the space and building it out along with adding plumbing makes the cost to add a bathroom seem prohibitively expensive.
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.
Lay the piping and secure it into the septic system.
Many people don t even consider adding a bathroom because they are sure bathroom remodeling is too expensive.
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.
It doesn t have to be.
Connect the basement bathroom plumbing to the existing drain and vent lines in the floor and ceiling to complete the rough in plumbing.
Locate the main drain.