Readers ask: How To Plumb A Toilet In A Concrete Slab?

How do you install a toilet on a concrete slab?

Installing a Toilet on a Concrete Floor

1. Step 1: Place the Flange. Place the toilet flange face down on the concrete.
2. Step 2: Drill Holes for the Flange. Next, use a marker to mark the concrete right where the four holes in the flange are.
3. Step 3: Clean the Area.
4. Step 4: Attach the Flange.
5. Step 5: Finish the Flange Installation.
6. Step 6: Connect the Toilet.

Can you move a toilet on a concrete slab?

If your bathroom is on top a concrete slab, we have some bad news. To move the toilet more than just a couple of inches, you will have to demolish the concrete to access and relocate water and waste lines. Then you will have to rebuild the concrete foundation and replace the sub-flooring, flooring, and fixtures.

Can you move plumbing on a concrete slab?

Moving the Water Lines The average cost for moving the plumbing in a 200 square foot kitchen with a slab floor is $2,000 to $7,000. And the cost for the pipes themselves ranges from $10 to $50 per linear foot. And this does not include any concrete work that it would take to get to the pipes.

Can a shower and toilet share the same drain?

Your shower drain can connect to the toilet drain, but it cannot connect to the toilet trap arm. This means that the shower connection will need to be made downstream from the toilet vent. The vent must also come off the 2″ pipe vertically, can ‘t come off the side unless you have a lavatory draining into the vent.

Do water lines run under slab?

A rebar-reinforced 4” – 6” thick concrete slab is poured directly on a prepared surface. Plumbing lines are run beneath the slab, where they are difficult to reach. Sometimes the plumbing joints leak or the pipes crack beneath a slab, and then you have one of the most serious problems you could imagine – a slab leak.

Is it expensive to move a toilet?

Cost of Moving Plumbing Fixtures The cost to move a toilet or sinks can be $2,500-$3,500 per fixture. The toilet is the most expensive to move. Connecting the toilet to the existing sewer line can be a bit tricky for your plumber. The sewer-line depends on a slope.

Can you add a bathroom on a slab?

When homes are built on a slab, the plumbing is laid before the concrete slab is poured. You can add plumbing after the fact, but it is labor intensive. This is similar to adding a bathroom to an existing basement. We then pour concrete into the trench to level the slab, and the new floor is covered with ceramic tile.

How far can you move a toilet from the stack?

In short, your toilet must be no more than 6- feet away from the stack if the waste line diameter is 3- inches. If the waste line diameter is 4- inches, the toilet must be no more than 10- feet away from the stack. Read on to find out more about the distance between the toilet and stack and moving your toilet.

How is plumbing run on a slab?

During the plumbing slab construction, the pipes are buried in gravel or sand beneath the slab and are (obviously) difficult to access. The plumbing through slab isn’t easy to reconfigure once placed. Modern homes are more likely to have a moisture barrier that protects a concrete slab.

Can you switch a shower and toilet?

Showers and toilets have one thing in common: plumbing. And while you can ‘t always interchange things in a home when working on a remodel project, you can convert your shower into an area for a toilet simply by doing some demolition and remodel work, along with replacing the plumbing.

When I flush the toilet it comes up in the shower?

Several plumbing fixtures are clogged at the same time. If your toilets, kitchen sink and tub or shower are all backed up, you probably have a clogged sewer line. When you flush the toilet, water backs up into or comes up in the tub or shower. When your sewer line is clogged, the water can’t go down the drain.

What slope is required for a toilet to drain?

According to plumbing code, drain pipe has to be sloped a minimum of 1/4-inch per foot and a maximum of three inches per foot or vertical. A slope of less than 1/4-inch per foot will cause constant drain clogs and a slope of more than three inches will allow the water to drain without the solids.

Does shower water go into a septic tank?

From your house to the tank: Most, but not all, septic systems operate via gravity to the septic tank. Each time a toilet is flushed, water is turned on or you take a shower, the water and waste flows via gravity through the plumbing system in your house and ends up in the septic tank.