What Are 3 Common Subfloor Materials?

  • Oriented Strand Board. Often mistakenly referred to as “plywood,” oriented strand board is the most common material used for a subfloor. …
  • Plywood. …
  • Particleboard. …
  • Concrete.

Is OSB or plywood better 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.

What size plywood is best for subfloor?

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.

What are most subfloors made of?

Typically made of plywood or OSB and ranging in thickness from 19/32″ to 1 1/8″ thick, the subfloor is truly structural, second only to joists in this respect. Subfloor holds up all of the above layers of flooring, as well as everything in your house, including people, dogs, cats, pianos, furniture.

What is subfloor plywood?

A subfloor is a wooden, structural substrate to which durable finished flooring is attached. Plywood is usually used as subfloor today. There are many types, sizes and configurations of plywood. … There are several types of plywood that are well-suited for subfloors.

Is MDF good for subfloor?

Modern density fiber (MDF) is an excellent choice for your underlayment since it’s cost-effective and easy to work with. You can use MDF as underlayment but it is best used in areas not prone to moisture. MDF sheets of 18-22mm are a high-density material that provides a consistent finish and resistance.

What type of wood is used for flooring?

The best hardwood floors are made with wood species that are readily available and — you guessed it — very hard. Oak flooring, maple flooring and cherry flooring are all good choices. Other species include bamboo (which is actually a grass), walnut, ash and mahogany.

Do you nail or screw subfloor?

Ideally, nail down your subfloor using corrosion-resistant nails that will securely hold it in place and last a long time. Screws are a great alternative that you can easily remove, but they are not as sturdy. Screws are superior in terms of reducing floor squeaks, but the installation is slower.

What kind of plywood is best for flooring?

Interior plywood is ideal for rooms not exposed to moisture, such as bedrooms, and makes a good subfloor for carpeting, tiles, vinyl, engineered wood laminate flooring and hardwood flooring. Exterior plywood is a better choice for bathrooms, kitchens and any other rooms exposed to water and moisture.

Is pine plywood good for subfloor?

Yes, you can use pine subfloors as primary flooring. In many older houses, the pine subfloor was the only floor and it held up well. Uncovered pine subflooring appeals to recycling enthusiasts as well as fans of distressed wood.

Can sheathing plywood be used for subfloor?

Like Sturd-I-Floor, Rated Sheathing may be plywood or OSB. When used as a subfloor, Rated Sheathing typically requires installation of an additional layer of underlayment on top of it before finish flooring can be applied. The underlayment requirements vary depending on the finish flooring.

What can I use for subfloor Besides plywood?

  • MDF. This is a very economical choice that makes it fit well within the budget of many buyers. …
  • Particle Board. This is one of the most cost-effective options available on the market, and it is generally even less expensive than MDF. …
  • Solid Wood. …
  • Reinforced Polyurethane Foam Boards. …
  • OSB. …
  • EKOply. …
  • HDF.

Can you use plywood as flooring?

Plywood floors are suitable for any room where you’d otherwise install hardwood, though kitchens and bathrooms are less desirable since frequent water spills are likely. … A 1½-in thick, 4-foot by 8-foot sheet of CDX plywood (the kind used in subflooring) sells for around $15.

How do you waterproof a 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.

Do you need tongue and groove for subfloor?

For subflooring, you use tongue and groove plywood. The tongue and groove are only along the 8 foot edges. On the four foot edges, your seams will fall on joist tops, so no need for tongue and groove.

How many layers of plywood do you need for a subfloor?

The four layers that make up the wood floor system consist of; the Joists, Sub-floor, Underlayment, and Floor Covering.

Is it code to glue subfloor?

The answer: Glue. Although using a subfloor adhesive (or subfloor glue) is not required by code, it is a standard practice that can help prevent floor squeaks by reducing the chance for movement at the panel-to-joist connection. A quality subfloor adhesive will also increase the overall stiffness of the floor.

Can subfloor be used as floor?

Concrete subflooring is acceptable as regular flooring, as long as it’s in a moisture-proof environment. Consider the long-term effects of leaving your subflooring exposed.

Can I use pressure treated wood for subfloor?

As long as there’s a good chance that moisture can reach the wood, it should be pressure treated. … Subflooring in the kitchen and bathroom may also be pressure treated since water leaks are common in these rooms and subflooring is inaccessible to the residents.

Is OSB OK for subfloor?

Most local codes allow OSB to be used for subflooring. It’s always best to check with your local permitting office before using OSB for your subfloor. One advantage that OSB has over plywood is its larger formatting. For plywood, 8-foot and 10-foot long sheets of plywood are standard.

Can you use fiberboard for subflooring?

HDF fiberboards, such as those made by Tablex, are a great option for their subfloor needs. Once the right hardboard is selected, the hardboard can be installed directly over concrete, a membrane or an existing layer of wood or hardboard. The wood is cut to size, leveled and then drilled into place.

What is harder MDF or plywood?

MDF is ideal for cutting, machining and drilling, since it does not chip easily. On the other hand, plywood is a much more stronger material, which can be used for doors, floors, staircases and outdoor furniture. It is easier to create curved surfaces with plywood, since it bends easily.