I'm adding a second floor laundry in an unused closet. The space has an interior wall with an unused return air duct that goes straight down to the unfinished basement right next to the main house drains. Lucky, I know.. There are two places I can tap into the drain at the bottom of the duct....

Installing custom shower, need to install cable drain overflow to go through 1 1/2 lite weight concrete, 3/4 plywood, tile and tub liner (membrane). Aprox 3 inch. Who would manufacture this adjustable drain?

The schematic below should make it clear the configuration I would like to use. Basically, I would like to keep the vent under the floor for a little ways, so it pops up in a better location. I cannot easily move the 2" drain location going down and would rather not go straight up from the...

I have a second floor restroom at my workplace and there is a little bit of water backing up and some sewer gas smell. There is rarely anything that goes down that drain but there is a little water in it that I can see. Also it seems that the urinals in the same restroom are draining very slowly....

I have a bi-level home built in 1966 with an existing shower on first level that has a cast floor drain that is 7" wide at the top and drains into a 2" waste line. The depth of the bowl is about 2.5" from the recessed lip at the top of the drain bowl. There are 2 ears for brass screws to hold the...