How To Replace Bathroom Subfloor

How to Replace Bathroom Subfloor

Replacing the subfloor in a bathroom can be a daunting task, but it is an essential repair that can prevent major damage to your home. If you are experiencing any of the following signs, it is likely that you need to replace your bathroom subfloor: - Soft or spongy feeling underfoot - Squeaking or creaking noises when you walk on the floor - Visible water damage or mold - Tiles or other flooring materials that are loose or cracked If you are not comfortable performing this repair yourself, it is best to hire a qualified contractor. However, if you are handy and have some experience with home repairs, you can save money by doing it yourself. ### Materials You Will Need - New subflooring (plywood or cement board) - Circular saw or jigsaw - Drill - Screws or nails - Level - Shim - Caulk gun - Caulk - Safety glasses - Dust mask ### Step 1: Remove the Old Subfloor * Turn off the water supply to the bathroom. * Remove all fixtures and appliances from the bathroom. * Carefully remove the old subfloor, being careful not to damage the joists or studs. * If the old subfloor is glued down, you may need to use a pry bar or chisel to remove it. ### Step 2: Inspect the Joists and Studs * Once the old subfloor has been removed, inspect the joists and studs for any damage. * If there is any damage, you will need to repair it before installing the new subfloor. ### Step 3: Install the New Subfloor * Cut the new subfloor to fit the size of the bathroom. * Place the new subfloor on the joists and studs, making sure that it is level. * Secure the new subfloor with screws or nails. * If there are any gaps between the subfloor and the joists or studs, fill them with shims. * Caulk around the edges of the subfloor to seal it. ### Step 4: Reinstall the Fixtures and Appliances * Once the new subfloor is installed, you can reinstall the fixtures and appliances. * Turn on the water supply and check for any leaks. ### Tips * When choosing a new subfloor, be sure to select one that is moisture-resistant. * If you are installing a tile floor, use a cement board subfloor. * If you are installing a laminate floor, use a plywood subfloor. * Always wear safety glasses and a dust mask when working on a bathroom subfloor. * If you are not comfortable performing this repair yourself, it is best to hire a qualified contractor.