Toilet Floor Drain Layout

If you have a private septic system your main line will run toward the location of the drain field.

Toilet floor drain layout.

If you find one that s most likely the spot where the line exits your home. If the new bathroom is on the first floor you can probably just tie into the house s main drain line in the basement or crawlspace below. Spout 4 above tub rim. The drainage must fit in with the floor layout perfectly in order to function properly.

Discharge drain hole from back wall. Supply line horizontal 6 max from center. 20 to 22 tub. Determining exactly how to incorporate drainage into the design of a bathroom can be a challenge.

If the new bathroom is on the second floor the bathroom s main drain will have to travel through the wall on the first floor and down to the basement or crawlspace. Apr 11 2018 explore mitchell matthews s board floor drain details on pinterest. If you re unsure where the line is you have a couple of options. Supply line vertical 8 1 4 2 to 3 higher than drain pipe.

14 discharge drain hole vertical 0 16 to 20 0 fixture side to side buffer 15 to 18 min. If it must enter from the front or side of the house the basic layout remains the same but additional lengths of soil pipe will be required. And usually the line runs straight from the main stack to the cleanout. The grate design must flow congruously to the style of the bathroom.

In the layout shown here it enters from the back of the house which of course is an ideal arrangement because a minimum amount of soil pipe will be required.