Installing Shower Waste In Concrete Floor

Ideally you ll already have a drain roughed in with the pipe sticking a few inches above the floor.

Installing shower waste in concrete floor.

Drain with the p trap located under the concrete slab. This should apply to the front edge contacting the rough floor along the length of the shower base. While placing the shower base into position ensure that the drain assembly slides over the pvc waste paper. In general if you are installing on to a floating timber floor a flat low profile tray is the way to go as the flat base will provide great support for the tray and also access to the underside of the tray for the waste should be fairly straight forward as you can simply cut a hole in the floor.

Ensure that the marks drawn on the on the studs align with the top of the tile flange. The first step is to decide on the schematics of the shower base and ordering it. Use reference marks on the subfloor to fine tune the location of the drain. When you set the shower base permanently measure and cut a permanent tailpiece and cement it into place.

If you are installing your shower tray over a solid concrete floor then you may be best going with a raised tray as this will avoid having to chop down in to the concrete to allow space for the waste. If you want to install a shower over a concrete floor a fiberglass shower stall will work just fine. The most efficient and least expensive method of installing a basement shower without the need to break concrete is to install it over existing plumbing stub outs. Set the shower base in place to double check the final placement of the p trap inserting a short temporary tailpiece.

If you ever asked this question before then start by planning the execution of this job. How to install a shower drain in the concrete floor.