What happens to the floor when you remove a bathtub?

Removing a bathtub typically reveals damaged subfloor underneath that needs repair or replacement. The area under and around the tub often has water damage, rot, or structural issues that weren't visible before removal.

Subfloor damage is extremely common when removing old bathtubs, especially in Ottawa homes built before the 1990s. Years of moisture, small leaks, and inadequate waterproofing take their toll on the wooden subfloor. You'll often find soft spots, black staining from mold, or sections that need to be cut out and replaced. The joists underneath may also show signs of water damage that require attention.

The existing flooring around the tub creates another challenge. If you're keeping the current bathroom floor, there will be a gap where the tub sat since most flooring was installed around the tub, not underneath it. This means you'll need matching tile or flooring material to fill the space, which can be difficult to find for older installations. Many homeowners use tub removal as an opportunity to install completely new flooring throughout the bathroom.

Proper subfloor preparation is critical before installing your new shower or tub. This includes replacing any damaged plywood or OSB, ensuring the surface is level, and installing proper waterproof membrane systems. In Ottawa's climate, moisture control is especially important to prevent future problems. The subfloor must also be properly sloped toward drains for shower installations.

Most tub removal projects require professional assessment to determine the extent of subfloor repairs needed and ensure proper waterproofing installation. For a free consultation on your bathroom renovation project, Ottawa Bathrooms can evaluate your specific situation and provide guidance on subfloor requirements.

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