What kind of subfloor should I use for hardwood floors?

A wood subfloor should be OSB or plywood of 3/4″ or thicker for a hardwood floor installation. Particle board and chipboard are unacceptable for solid hardwood installations, but may be used in an engineered flooring install.

Do you need a subfloor for hardwood floors?

When planning your installation, it’s important to keep in mind that a solid hardwood floor is only as good as its subfloor. A proper subfloor will be the unsung hero of your solid hardwood investment, while the wrong subfloor will cause you problems.

What do you use for sub flooring?

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.

What is best for sub flooring?

Do I need underlay for solid wood flooring?

Because wood flooring is naturally much more substantial than a carpet or other flooring alternatives, it doesn’t actually need underlay. That said, we would normally recommend underlay when fitting a boarded floor to a wooden subfloor simply because it provides better insulation.

What thickness should a subfloor be?

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.

How flat should subfloor be for hardwood floors?

When nailing down a wood floor, the subfloor should be flat to within 1/4” in 10′ or 3/16” in 6′. It is the responsibility of the flooring installer to assess and address substrate flatness before installation.

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 size plywood do I use for a subfloor?

The thickness of your plywood subfloor depends on the joist spans. The National Wood Flooring Association recommends a minimum plywood panel thickness of 7/8-inch for joist spans of 19.2 to 24 inches, and a minimum plywood panel thickness of 5/8-inch for joist spans of 16 inches or less.

What to put under hardwood flooring?

Rosin paper is a multi-purpose building paper used underneath hardwood floors as an underlayment. It is used as a moisture-barrier and it allows the wood floor above it to breathe. The paper is installed just before the wood flooring and comes in rolls of various lengths.

What is the best quality engineered wood flooring?

The Janka hardness rating of the hardwood used for the veneer on your engineered flooring will guide you to the best choice for your intended flooring use. Vanier Hard Maple, Brazilian Cherry and Hand-scraped Oak, Red Oak, and Black-Stained White Oak are all excellent engineered floors for high traffic areas.

What goes under hardwood flooring?

Padding and Layers Under Hardwood Flooring Red Rosin Paper or Builder’s Felt. Paper or felt are two materials that are traditionally installed between hardwood flooring and the subfloor. Solid Underlayment. Instead of soft underlayment, it is possible to lay down a solid underlayment that is specially designed for absorbing sound. Rubberized Membrane. Thick Underlayment With Intervening Plywood.