How To Install Plumbing In The Floor For A Bathroom

This is the pipe in the ground that the new toilet and sink will flow in to.

How to install plumbing in the floor for a bathroom.

The last step of connecting the sink toilet or tub is almost superfluous. This will determine where you will need to run the plumbing lines. The plumbing trenches are typically dug at the same time as the slab footings if any. Plan and install the plumbing so it does as little damage as possible to joists and studs.

Sketch the new design in place if possible fine tune the design and then finalize the plan. Connect the basement bathroom plumbing to the existing drain and vent lines in the floor and ceiling to complete the rough in plumbing. You will need to figure out the placement of your bathtub or shower sink and toilet. Step 1 determine the placement of the bathroom plumbing fixtures.

Locate and carefully mark all cut points and step 2 turn off the water to the house. Get the rough in right and you are 90 percent of the way there. You will have to cut holes in the floor so that you can run the pipes to the fixtures so determining the exact placement is important. Make sure the opening on the y fitting is pointed toward the inside of the bathroom to allow for easy access later on.

Reinforce any framing members that have been compromised. Measure mark and drill holes for drain and supply pipes. But it doesn t have to seem so daunting. Once the trenches are dug you can add the sewer pipes and stub outs pipes that sit above the slab floor that eventually connect the sink toilet bathtub or shower and any other drains to the system.

Press the coupler into the hole that you cut into the drain line until the fitting slips over both ends of the pipe. Metal detector scratch paper tape measurestep 2 identify the main waste stack that goes from the upstairs bathroom to the sewer. Step 1 gather your materials. Some vanities will come with pre drilled holes for easier installation.

Often the hardest part about plumbing is the rough in. There are generally accepted plumbing rough in measurements for sinks toilets and tub showers. Find the main drain line photo 1. Locate the main drain.

Level the vanity and shim at the floor if necessary. In order to add a bathroom to a house on a concrete slab you will need to locate the existing water supply and waste lines. Allow the cement to set for 10 minutes. Then design a bathroom layout that will function properly with the existing plumbing plan or with limited modification.

This will be a vertical cast iron pipe more than likely 4 in diameter step 3 detect the cast iron pipe leading from the main waste stack to the sewer using a metal detector. Modifying framing sometimes can make the plumbing work easier.