With the rough plumbing complete and the toilet chair carrier in position, finish the electrical and add blocks as needed to support the sink (Photo 15), towel bars, grab bars, etc. Then close up the walls. We recommend cement board for durable tile walls and floors, but other tile backers are available at tile shops. Here are key installation tips:
Interior bathroom demolition costs $1,000 to $2,300. Prices can go higher if you’re removing and moving walls to create a different footprint. For the experienced DIYer, this is a good place to save money by doing it yourself or assisting the contractor. However, demo can get expensive quickly if you take out a load bearing wall, cut electrical lines or break a water pipe. Avoid the risk by hiring a pro.

The average bathroom remodel costs $10,445 Most homeowners spend between $5,975 and $14,927. You can spend as little as $3,500 to $7,000 updating the essentials in a small or medium-sized bathroom. On a large or master bath, you could spend $25,000 or more. Labor averages 50 percent of the total project price at about $65 per hour. Expect pricing to vary regionally up to 20 percent due mainly to labor. Material prices stay roughly the same across the country.


Turn off the main water supply to the house, and in a convenient location, cut the hot and cold water supply pipes for the bathroom. Also cut out and remove all the existing water lines and fittings in the bathroom. Finally, cut out and remove the vent section leading to the sink and the main stack 5 in. below the vent tee. Stuff rags into open drain lines to keep sewer gas out of the house.
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