Renovating a bathroom is no small undertaking. So before you start tearing up the tiles and picking out the tub, get a little advice from the people who make bathroom makeovers their bread and butter. We polled contractors, designers, and other pros for their top tips and insider tricks for getting every detail right. Follow these DIY bathroom remodeling tips and you're sure to create the bathroom you always wanted.

A one-piece shower pan is the key to a leakproof shower. We opted for an easily installed fiberglass shower pan. Forty-eight inch wide pans are common and will work well; 60-in. units like we used must be special-ordered. The shower pan has to fit into the space left by the removed bathtub. Most bathtubs are 60 in. long, perfect for a 60-in. shower base.
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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