Measure, mark and drill holes for drain and supply pipes. 12. Generally speaking, removing the installation of the vanity (countertop and cabinet) is the easiest part when replacing the whole vanity. Add 1 1/2″ around the plumbing to make sure your drawer will be well away from the plumbing. Set the vanity cabinet into place. Yet, it is critical to remember the location of the existing plumbing. Loosen the caulk between the vanity and the wall with a utility knife. 6. However, your job will undoubtedly be much easier if you are working with tile. The subfloor usually runs in a continuous sheet under all the walls. In addition, if you have to make changes to the plumbing or add bracing in the wall, you'll need to patch in the drywall, finish the seams, and paint the wall. How Did The Grandfather Clock get its Name? If you don’t feel comfortable with plumbing projects, a licensed plumber can help you get it done simply and safely. Another thing to consider, when it comes to the plumbing part of this project is your comfort when working with pipes and valves. Apply a continuous bead of silicone adhesive around top edge of vanity, then set the vanity top into place. I am remodeling my bathroom. Cool Blue Harley One Dumb Plumber. 20. Then run your jigsaw along the line. hole in each corner of the traced cutout line. Cut the hole in the back of your vanity a quarter inch larger than the pipe to prevent cracking, bumping and noises. Pick up the vanity and place it over the holes, allowing the valves to slip through the holes. Give your rough plumbing room to breathe. How to Replace a Bathroom Vanity | This Old House - YouTube You’d have to use a sharp knife and get in between the crevice adjoining the vanity and the wall. Venting Issues. Exterior walls are exposed to more changes in temperature than interior walls. The first possible plumbing difficulty that you will face is the valves. Place a bead of plumber's putty around sink drain, then set the drain in the sink hole and tighten the nut from below. Most floors have two layers of wood: an underlayment over a subfloor. When you are installing a kitchen sink drain pipe along with the drain attachment on the floor, you will need to be able to fit the drain and the parts together. Remove any excess putty that squeezes out from under the drain flange.About Ask This Old House TV:Homeowners have a virtual truckload of questions for us on smaller projects, and we're ready to answer. That’s why it’s essential to consult how-to articles detailing this process so that you are not entirely blind in the replacement of your bathroom vanity. Chalk Paint for Beginners & Java Gel Stain Tutorial. Disconnect the "U"-shaped portion of the waste pipe where it connects to the sink. 8. Even if you choose the exact width, the shape will most likely be different. Secure electrical box to vanity with Madison bars; bend over the metal tabs on the bars to securely hold the outlet box to the vanity. It’s certainly manageable with the right knowledge, and it will be much easier if you take it one step at a time. Ferguson is the #1 US plumbing supply company and a top distributor of HVAC parts, waterworks supplies, and MRO products. Below is a further breakdown of plumbing replacement projects and their costs. Is your new vanity the same size or a different size from the old vanity? You can run PEX line as you would in a conventional plumbing system, with 3/4-in. I just moved into a new apartment and find the bathroom sink vanity in terrible condition. Because of this, it’s not advisable to get vanities with different plumbing systems. The sink placement in the vanity unless custom should also match up very close to your plumbing so replacement of lines is not usually necessary unless they are near the end of their life. holes for 1/2-in. (See below for a shopping list and tools. Often supply lines are run through the floor instead of through a wall in order to avoid installing plumbing in an exterior wall. I told them to go through the bath if they had to but this is a mess for me. Most vanities are glued to the wall, and yours probably is, too. However, pipes do deteriorate and become defective over time. Cut out the floor of the vanity using a reciprocating saw. I have come across an issue with plumbing. Remove the drain lines (and garbage disposer, if there is one) to get maneuvering room. 16. Like Pal mentioned we cut a holes in the base of the cabinet. Wall drain is no longer an option. Removing a Vanity With Plumbing in the Floor 1. Plumbing supply lines for sinks are usually located on the rear wall under the sink or on the side of the cabinet wall under the sink, though sometimes they're routed through the floor directly under the sink in the center of the vanity or cabinet. 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