Should bottom plate be pressure treated?

Do you need to use pressure-treated lumber for the bottom plates on interior partitions over a slab? A. You won't need pressure-treated plates on interior partitions for crawlspace and basement houses, but you will need them over slabs.

Should you use pressure treated wood for a sill plate?

Sill Plate is a tough, versatile pressure-treated lumber. Like borate-treated lumber, it's guaranteed to stop termites and prevent decay, plus it's compatible with carbon steel (black iron) fasteners.

What type of wood is used for bottom plates?

In single and multi-family housing when a stud wall is placed on top of a subfloor or other wood substrate, a bottom plate is typically some version of a stress-graded dimensional lumber, either 2x4 or 2x6 in most cases, but occasionally greater if necessary.

What do you put between bottom plate and concrete?

Should subfloor be pressure treated?

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.

Can you use untreated lumber for sills on concrete?

Why can't you use pressure treated wood inside?

Never use recycled pressure treated lumber indoors. There's a good chance it was treated with CCA, which means it contains arsenic. If you're going to leave the pressure treated wood exposed, perhaps as a post or an exposed rafter, plan on painting or finishing it.

Is it OK to use pressure treated wood inside?

The simple answer is pressure-treated lumber can be used in any interior application except cutting boards and countertops.

How do you waterproof a bottom plate?

The best way to air seal the sill plate is to place a sill sealer (also called a sill gasket) on the concrete before laying down the sill plate. Sill sealer is a pliable foam product that is available in varying widths up to 10 inches wide.

Can pressure-treated wood sit directly on concrete?

Wood in direct contact with concrete, and the dampness often found there, will rapidly decay. To avoid this, use pressure-treated lumber. This is wood impregnated with decay-resisting chemicals, usually chromated copper arsenates. Pressure-treated lumber comes in standard lumber sizes and is available at lumberyards.

Do you need a treated bottom plate?

Building codes require treated or other naturally rot resistant lumber to be used as the base plate whenever framing comes in contact with masonry. That said, you can use treated yellow pine or naturally rait resistant species of lumber such as cedar, redwood, oak, mahogany, cyprus or just about any tropical wood.

Do basement wall studs need to be pressure treated?

Basement Masonry Walls

Pressure-treated wood is required whenever you attach framing lumber or furring strips directly to concrete or other exterior masonry walls below grade. Note that this requirement is only for exterior walls, as these may wick moisture onto the lumber.

Does pressure treated wood wick water?

While the pressure-treated bottom plate won't rot, it is still porous and can't keep water from wicking through it and up into the end grain of the studs.

What is the difference between a sole plate and a sill plate?

The sole plate, also sometimes referred to as the sill plate, the mud sill, or the base plate, is the main supporting beam of a wall in the construction industry. Typically, these are the first piece of wood that is in contact with the masonry of the basement or foundation.

Do sill plates rot?

Over the years if your sill plate is exposed to water moisture or termites, your homes sill plate will eventually rot out. This pice of wood keeps all of homes exterior joist and studs level, not to mention your floor.

What should I put between wood and concrete?

Anyplace where wood meets the ground or concrete, the lumber must be pressure treated. For additional moisture protection, a gasket or strip of closed-cell foam can be installed between the concrete foundation and the sill plate.

How long will a 6x6 treated post last in concrete?

A PT post will last a long time in concrete, maybe 5 to 10 years in soil alone. I suggest you embed the post in concrete, trowel a peak around the post so water runs off, and don't let the PT post come in contact with the ground.

How do you waterproof the bottom of drywall?

To protect the bottom of the drywall in your garage, apply a coat or two of waterproof primer to the bottom segment of the drywall. Go as high enough so that water pooling on the garage floor will not go above the waterproofing level. The higher the better.

Can drywall screws be used in pressure-treated lumber?

Editor's Comments. It is a very bad idea to use dry wall screws with treated lumber. There are certainly ASTM codes which set out the coating specifications for certain types of fasteners to be used with ACQ treated lumber.

Can you put drywall on pressure treated wood?

Use the pressure treated. It will not by any means harm the drywall. Some codes require PT for any wood contacting concrete.

Can you use treated lumber to frame a house?

You can use pressure-treated wood for framing. However, pressure-treated lumber costs much more and does include potentially toxic chemicals. Thus, pressure-treated wood is only recommended for outdoor applications and where framing touches the foundation.