Above The Floor Trap

The top of the standpipe must extend above the overflow level.

Above the floor trap.

Building codes specify how high this pipe must rise above the finished floor. There is also about 4 clearance behind drawer. I have p trap entry in drain at 16 above the floor. It is recommended to clean the grease trap when a grease level of 2 3 is obtained.

They must always be installed so that there is easy access to the cover for removal and cleaning. The lack of a p trap exposes the area to sewer fumes and the lack of venting will cause the drain to run sluggishly and overflow. So i wonder if it s really the case. To begin start by cutting the subfloor around the drain with an electric saw.

The washing machine s drain hose is inserted into the top of the standpipe where it fits into the outlet box. This is because the p trap under a shower isn t accessible. Grease traps can be located above ground below ground inside the kitchen or outside the building. Make sure you cut an even 12 by 12 square piece and that you only cut the portion that runs over the floor boards.

I was told that the only way to install p trap would be to cut back of the drawer. The trap arm that connects horizontally from the vent pipe to the p trap must have a slope of 1 4 inch per foot sloping up toward the drain. Our drawings above show an alcove style with a front skirt. In many jurisdictions that height is 36 to 42 inches.

The best time to replace your p trap is when you re renovating your bathroom. Typically these traps lie beneath the floor but if you re installing shower on a cement slab such as in a basement the trap is above the cement slab. When a tub is designed for an above floor drain connection there is space under the tub to run the drain pipes above the floor. The princeton americast above floor rough in bathtub from american standard is lighter easier and more economical to install than a conventional tub.

Plumbing traps are necessary beneath shower drains because they retain a little bit of water that acts as a plug to prevent sewer gasses from backing up into the room. However vanity that i got has lower drawer which has top at about the same height. This make installation on a slab much easier. A much smaller cut out in the slab or floor is needed just for the down pipe pictured below.