What should I use for bathroom subfloor?

Pressure treated 3/4″ plywood subfloor is the best subfloor material for bathrooms. Pressure treated plywood is water resistant and will withstand the humid, damp bathroom environment much better than untreated plywood or OSB.

How do you replace a rotted bathroom subfloor?

Quote from the video:
Quote from Youtube video: We're also going to tie in here. And then one in the front as. Well. Now I want to secure all three and a half inch deck screws. Across the back and I'm also going to toenail them into both of the.

How much does it cost to replace a toilet subfloor?

Average Subfloor Replacement and Installation Cost*

Average Cost $550
High Cost $720
Low Cost $500

How thick should subfloor be in bathroom?

Make Sure Your Subfloor is Structurally Stable

The installation guide for 1/4 inch HardieBacker recommends having wood subfloors made of 5/8 inch exterior grade plywood or OSB (oriented strand board) that is 23/32 inches thick.

How do you fix a rotten bathroom floor?

Quote from the video:
Quote from Youtube video: Think some replacement going right here we replace wood. So I'm just gonna dig my client in there. So. I can find that a floor joist so that we got something to work with. Got one right there. And we

How do you waterproof a bathroom subfloor?

Quote from the video:
Quote from Youtube video: Once all the teacher has been installed into the subfloor. We're going to really waterproof this room by applying a Curie band of the seams.

Can I put new subfloor over old subfloor?

Install a layer of at least ½” or preferably 5/8” ply over the existing planks. This is particularly important if your old sub floor has lumps and bumps in it. If you don’t respect this thickness of ply, then you’re highly likely to see rises and falls in your new flooring.

How do you fix subfloor rotted water damage?

How to Fix a Water-Damaged Subfloor: Your 8-Step DIY Guide

  1. Start by Stopping the Water. …
  2. Expose the Subflooring. …
  3. Make Your Mark. …
  4. Carefully Cut Subflooring. …
  5. Remove Damaged Materials. …
  6. Speed Up the Drying Process. …
  7. Reinforce Floor Joists. …
  8. Install Your New Subflooring.

How do you replace plywood in a bathroom floor?

Quote from the video:
Quote from Youtube video: Level there's a lot of tools we could use to cut out this subfloor. In this case we're going to be using a circular. Saw. Before you start any demo be sure you're wearing your safety gear.

Is it better to use OSB or plywood for subfloor?

OSB has a lower resale value than plywood due to its lower strength. For this reason, few homeowners prefer OSB in their homes. Apart from costs, plywood is superior in all the other areas, such as the strength of the structure. For this reason, it’s a superior material for use on the subfloor.

Can I tile over plywood on a bathroom floor?

Tile can be laid on plywood. But do not install tile directly on the plywood subfloor itself. Use an intervening layer of a sheet of thinner plywood.

What is the best material to use for subfloor?


Plywood. Plywood is considered the most popular material used for subflooring, it has been used since the 1950s and remains one of the top choices for contractors. Standard plywood works perfectly fine as a subflooring material, but the best option is ¾” tongue-and-groove plywood subflooring.

Can you replace bathroom floor without removing toilet?

They often ask if they should remove the toilet before installing a new bathroom floor. While it is possible to install a new linoleum or ceramic tile floor without removing the toilet, it is not recommended and actually can increase the labor involved in the project.

How much does a new bathroom floor cost?

Average Cost of Bathroom Flooring

The cost of the bathroom flooring material falls in the range of $1.82 to $2.39 per square foot. The national average cost is around $2.10 per square foot. The total budget, which includes the materials and labor cost, runs between $11.36 and $17.34, with the average cost being $14.45.

How hard is it to replace a bathroom floor?

Quote from the video:
Quote from Youtube video: The first row along the longest wall and the next side it seems should butt together seal them with moisture resistant tape vinyl planks float they click together rather than attaching to the floor.

How often should bathroom floors be replaced?

Flooring. You can expect your wood flooring to last about 100 years, or even more with proper upkeep. Vinyl flooring will last about 50 years, while you’ll get about 10 years out of your carpet. When it comes to tile flooring, life expectancy depends on the type of tile, maintenance and amount of foot traffic.

How do you know if your bathroom floor is rotting?

If your bathroom floor is rotting, you may be able to tell in several ways. The floor could move underfoot or be soft to the touch. Your floor could also smell or have discoloration, visible mold or mildew, and warped walls can also be an indicator.

Can a bathroom floor collapse?

If this material is subject to moisture or hidden leaks, the plywood will rot and the floor will start to feel soft or spongy in places. Your toilet may also feel unstable (rocking) when you sit down. If left unattended, eventually the entire flooring system under the bathroom will collapse.