Above The Floor Trap

This make installation on a slab much easier.

Above the floor trap.

Make sure you cut an even 12 by 12 square piece and that you only cut the portion that runs over the floor boards. In many jurisdictions that height is 36 to 42 inches. If the sink has a pop up drain the tailpipe will need. A much smaller cut out in the slab or floor is needed just for the down pipe pictured below.

However vanity that i got has lower drawer which has top at about the same height. 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. They must always be installed so that there is easy access to the cover for removal and cleaning. The best time to replace your p trap is when you re renovating your bathroom.

Our drawings above show an alcove style with a front skirt. I was told that the only way to install p trap would be to cut back of the drawer. 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 top of the standpipe must extend above the overflow level.

Building codes specify how high this pipe must rise above the finished floor. This is because the p trap under a shower isn t accessible. The washing machine s drain hose is inserted into the top of the standpipe where it fits into the outlet box. There is also about 4 clearance behind 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. It is recommended to clean the grease trap when a grease level of 2 3 is obtained. A standpipe extends from the outlet box to the trap below. 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.

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. To begin start by cutting the subfloor around the drain with an electric saw. The princeton americast above floor rough in bathtub from american standard is lighter easier and more economical to install than a conventional tub. I have p trap entry in drain at 16 above the floor.