It will be built on a crawlspace. Once the new plumbing is in place, you can add fixtures and furniture to complete the room. Any references with a diagram? For example, the Qwik Jon® Ultima Sewage System by Zoeller is designed so you can put a toilet just about anywhere, which is perfect for your new bathroom project. The new (extra toilet) is on the other side of the wall dividing the bathroom and toilet. Adding new toilet to CAST IRON stack; Author: Anonymous User I am adding a toilet in my basement about 5 feet from my main cast iron stack. I have recently had a extra toilet fitted in my bathroom (which is located next door to an existing toilet). We have a kitchen sink (in an old house, 1950's, built by some firemen, not carpenters) that does not drain correctly. Water supply line not an issue. The bathroom will be on the ground floor, will be 6x8-feet, and will be located near existing bedrooms. The cost will largely depend on how close you can run the necessary plumbing for the new bathroom to the home's existing plumbing. Cabin Forum/Blog: Welp, after three years of planning for our next home, my wife and I have decided to build a 600 sq. In this project, we add on a new bathroom to an existing home. Waste and Vent Pipes Install a 4-inch vertical PVC pipe that extends from a point at least one foot above... Place the drain for the toilet at a location in the bathroom that will provide enough clearance... Cut a 3- or 4-inch diameter hole for the drain in the subfloor with a reciprocating saw. ft. apartment within a large preexisting pole barn structure. If you're connecting a new toilet to an existing stack, you only need to install the waste and supply lines. Extra toilet plumbed via existing toilet. Add value and convenience to any home by installing a new bathroom on an upper floor. In a perfect world, the hookup of the toilet drain to the existing drain, typically the main stack or main drain line, would just involve PVC or ABS pipe, a hacksaw, and some pipe primer and cement. The plumber (from my builder) is not responding to the problems I am having a week into the installation. Adding a bathroom to your home remains one of the most profitable home improvements you can make. Polyvinyl chloride, or PVC, pipes aren't suitable for interior residential plumbing. Tip. I have recently had a extra toilet fitted in my bathroom (which is located next door to an existing toilet). We are remodelling, actually we have added a first and second floor to an existing basement. Plumbing is the most expensive area of a full bathroom remodel, but it's worth looking into as bathroom remodels provide some of the highest resale returns on investment. Add-A-Drain is a simple product for adding a drain line where it's needed (Click below to see some examples)