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Replace Bathroom Sub Floor

Replacing sub floor in the bathroom is often necessary if you have had leaks that caused accessory down to the putrefaction. work required to remove all rotted boards and replace them with new blades. Although sometimes you can simply remove rotting leaves, most of the time it is easier if you take everything out and start from scratch, especially if the boards show any signs of water damage.

Before starting any project of this type, to determine the source of leaks and correct immediately. You’ll have to do the same job again if it does not. Takes ground.

Replace Bathroom Sub Floor

Remove existing floor covering and inspect area. See if you have to replace all sub floor or only portion. If area around tub isn’t rotten, leave it alone.

You can salvage some of flooring that shows no sign of rot. If you can insert screwdriver into it easily or it’s soggy, it’s bad. Remove fixtures.

To take out toilet, you first need to shut off water. Flush after you shut off water to remove water from tank. Remove water supply to toilet and loosen nuts at bottom.

Pull toilet. Normally this is area where many of problems begin. If it’s necessary, remove all other fixtures.

Map out sub floor you’ll replace. Note locations of openings for plumbing. Pry up old underlayment, which is layer of board over sub floor.

When you tear up underlayment, you might find that there are sections of sub floor untouched by mold or rot. Again, if they’re large enough, you can salvage those areas. Use pry bar method to remove both underlayment and sub floor.

If you cut out section, first drill hole to determine depth, set circular saw for that depth and cut square. Finish it with handsaw. Check joists to make sure that they’re still sturdy.

It doesn’t hurt to scab 2-by-6 onto side of joist so you have secure area to patch. If joists are rotten, you need to replace them. Call professional for this.

Replace plywood with wood of similar thickness. Make sure that you nail or screw sub floor securely to joists at many different points. Nailing is one option, but many carpenters and professional remodelers prefer to use screws for secure connection. Before you lay sub floor, take measurements for cutouts like drainpipe for toilet and water pipes.

Use diagram you made from old sub floor. Stagger seams for extra strength.

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Replace Bathroom Sub Floor Related

How to Replace Bathroom Sub Floor