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How much does it cost to replace a subfloor in a small bathroom?

How much does it cost to replace a subfloor in a small bathroom?

Cost to Repair Subfloor*

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Subfloor repair, small area $100 – $200
Subfloor repair, entire room $300 – $400
Subfloor replacement, small area $400 – $500
Subfloor replacement, entire room $570 – $720

Can I replace a subfloor myself?

Yes, you can replace the sub floor yourself. Once the black light has identified the areas you will know if you can cut some out or need to replace a full sheet. Make sure there is no damage to the joists before you replace the plywood.

Do you have to remove tub to replace subfloor?

Flooring repairs can be intimidating, but the subfloor under the tub generally consists of plywood secured over floor joists and is fairly simple to replace — once you get access to it. The entire tub unit requires removal before subfloor replacement can begin.

What do you use for bathroom subfloor?

Plywood as a Subfloor Material Traditionally, exterior grade plywood has been the subfloor material of choice for many bathroom flooring projects. Plywood is made by gluing alternating layers of wood veneer. CDX plywood (¾”) in particular is used often because it has a high level of resistance to moisture and humidity.

How do you fix a rotten subfloor in a bathtub?

When the area with the severely rotted subfloor and floor joist under bathtub dries completely, use 2 x 6 – inch boards to side the joists. You can also use lumber blocking to span the spaces. In doing this, you will strengthen the joists damaged by water.

How thick should subfloor be in bathroom?

The subfloor rests directly on the floor joists and is the lowest layer of flooring material. Plywood three-quarters inch thick is the most common and the strongest.

What’s the best way to replace a subfloor?

Toenail or screw 2×4 blocks to the joists to support the edges of the subfloor and the waste flange. Fasten the new subfloor patch in place, screwing all edges, including the old floor, to joists and 2×4 blocks. Use 1-1/2 in. screws spaced every 6 in.

How do you replace wood floor in bathroom?

Probe for soft spots in the wood floor with a screwdriver, removing tile as you go, to find the extent of the rot damage. In this case it was decided to replace both the underlayment and the floor tile in the entire bathroom. The tile was in poor shape, the patch would have had to be large, and we couldn’t make a good color match anyway.

Can you use plywood as a subfloor in a bathroom?

How do you replace the underlayment in a bathroom?

The underlayment, therefore, is easy to pull up and remove. Probe for soft spots in the wood floor with a screwdriver, removing tile as you go, to find the extent of the rot damage. In this case it was decided to replace both the underlayment and the floor tile in the entire bathroom.