Planning a bathroom remodel with a separate bathtub area? Choose from one of these four tub styles.

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Q: We’re planning a new bathroom remodel and want a separate bathtub area. To help us lay out the floor plan and fixture locations, can you please inform us about different styles of bathtubs and how they are installed?

A: Even though removing an existing tub to install a larger shower stall seems to be popular, many homeowners still want to include a bathtub in their bathroom remodeling projects. Basically, bathtubs can fall into four categories.

Alcove tubs. This is the standard three-wall install with a finished front apron built into the tub. A shower setup is often included with an alcove tub and is often called a tub/shower unit.

Drop-in or undermount tubs. These tubs need to be framed in place, usually with four knee walls surrounding the tub. Drop-in models have finished rims and sit on top of the deck, while undermounts are usually flush with the finished deck.

Freestanding tubs. A freestanding tub is self-supporting with all sides finished. Because they can be placed just about anywhere in the bathroom, freestanding tubs are often used as a decorative focal point.

Corner tub. If you absolutely need to put a bathtub in a corner, these specialized tubs have cornered the market.

Master contractor/plumber Ed Del Grande is known internationally as the author of the book “Ed Del Grande’s House Call,” the host of TV and Internet shows, and a LEED green associate. For more information, visit eddelgrande.com.