Can I use pressure treated plywood for subfloor?

Can I use pressure treated plywood for subfloor?

Can I use pressure treated plywood for subfloor? Agreed.
Under the IRC this 19% or less moisture content lumber is called kiln-dried-after-treatment lumber and is perfectly acceptable to be used in structural sheathing, subflooring, or framing.

Is pressure treated plywood good for subfloor? Don’t put it in as a subfloor (PT Plywood) . Use regular floor sheathing. There is too much shrinkage to be used as a proper subfloor base, no matter what kind of material you plan on installing for your finished floor, carpet, tile, wood floors; You WILL have problems if you use it there.

Why can’t you use pressure treated wood inside? Some have also asked, after they’ve found pressure-treated lumber installed inside their homes, if there is any danger in having it indoors.
The answer is no.
The reason lumber is treated is to protect it from exterior elements that might cause rot, decay or termite infestation.

Can you use treated plywood for floor? Pressure-treated plywood is an exterior-grade plywood that will resist rot and decay for a lifetime.
It is the preferred flooring material for an outdoor shed.
It will resist decomposition from being exposed to wetness from either rain, dripping outdoor appliances like snow blowers, or tracked-in mud and moisture.

Can I use pressure treated plywood for subfloor? – Related Questions

What plywood should you use for subfloor?

Standard plywood can be used for subfloors, but a better material is 3/4-inch tongue-and-groove plywood subflooring.
The tongue-and-groove edges interlock to resist movement along the panel edges and create an overall stiffer floor.

What type of plywood is used for bathroom subfloor?

Plywood as a Subfloor Material

How do you waterproof a plywood subfloor?

Caulk any seams where two pieces of plywood are butted together. Dab caulk onto nail or screw heads to seal the potential leak point they provide. Caulk any splits in the wood or any other areas that may provide a point for water to seep under the subfloor.

Can you get sick from pressure treated wood?

Inhalation of Pressure Treated Wood Dust

Does painting pressure treated wood make it safe?

Yes, you can paint pressure-treated lumber, however, you will need to wait until the wood is completely dried before painting.
This can take weeks or months, and you’ll want to make sure the wood absorbs all water on the surface before painting.
Additionally, you’ll want to use a latex primer and water-based paint.

Is Treated Wood toxic?

Pressure-treated wood should not be burned under any circumstances.
The fumes can be toxic and the ash is very toxic.
Do not use pressure-treated wood for making cutting boards, or for any food preparation surface.

Can Plywood be waterproofed?

Plywood is very receptive to waterproofing material. The smooth finish is still porous enough on a micro level that the plywood will easily bond with sealers and paints. This means plywood can still be used outdoors and in marine environments.

Do you need treated plywood for subfloor?

As long as there’s a good chance that moisture can reach the wood, it should be pressure treated. This is why the International Building Code requires that siding and structural lumber used for the last six inches of the structure above the ground is pressure treated.

How thick should subfloor be in bathroom?

Make Sure Your Subfloor is Structurally Stable

Is it better to use OSB or plywood for subfloor?

The National Tile Contractors Association and the Resilient Floor Covering Institute both recommend plywood for subflooring and underlayment, because it doesn’t have the risk of swollen edges that OSB does. Plywood also has a slight advantage in stiffness, which means that subflooring panels need not be quite as thick.

Can you use cement board as a subfloor instead of plywood?

If you’re working over a wood subfloor, cement board is the right choice for your tile base. No matter what you’re told at a home center, it’s not a good idea to install tile directly over plywood, especially in a damp area like a bathroom.

How thick should plywood subfloor be?

about 5/8 inch
The minimum thickness of plywood for subflooring is about 5/8 inch. Since it does not hold fasteners as well as plywood, OSB must be a little thicker, or at least 23/32 inch. There are several factors that determine what subfloor thickness is optimal for added benefits like insulation.

What thickness plywood should I use for bathroom flooring?

If you’re laying a new floor, straight onto the joists, 18mm is normal. If you’re putting a ply sheet onto an existing boarded floor, to level it and give you a nice surface, 12mm is plenty.

What is the best material 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.

Is it OK to use OSB for subfloor?

OSB will work as a floor covering only in a pinch. Even then, it could only be used for outbuildings or workshops. If you are a homeowner building your workshop or laying own your subfloor in your house, consider purchasing 5/8″ CDX plywood.

What do you seal subfloor with?

Once your subfloor is free from odors and stains, using the enzymatic cleaner, make sure it is completely dry. Then you can apply a sealer such as Kilz Original Primer which will block moisture from penetrating into the subfloor and seal pet odors in the subfloor and cover up any remaining pet stains.

Can I use Kilz on my subfloor?

KILZ RESTORATION™ Primer (Formerly KILZ MAX) is a new generation water-based primer, sealer and stainblocker offering performance of traditional oil and shellac-based primers.
Topcoat with water-based or oil-based paint.
Use to block odors from subfloor when replacing carpet or wood flooring.

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