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Subfloor Insights

Explore the key materials that create a solid base for your flooring

Subfloor Basics

Subflooring holds your floors steady, using strong materials beneath.

Close-up of plywood sheets stacked, ready for subfloor installation in a home.
Close-up of plywood sheets stacked, ready for subfloor installation in a home.
A room under construction showing concrete subfloor being poured and leveled.
A room under construction showing concrete subfloor being poured and leveled.
Plywood

Commonly used for its strength and ease of installation in many homes.

Concrete

Provides a solid, moisture-resistant base, especially in basements.

FAQs

What is subflooring?

Subflooring provides the base support beneath finished floors.

Common subfloor materials?

Plywood, oriented strand board (OSB), and concrete are typical subfloor materials.

Why is subflooring important?

It ensures stability, prevents floor movement, and supports the weight of furniture and foot traffic.

Can subflooring get damaged?

Yes, moisture and heavy impact can cause damage over time.

How thick is subflooring?

Thickness usually ranges from 3/4 to 1 inch depending on material.

How do I maintain my subfloor?

Keep it dry, inspect regularly for damage, and address any issues promptly to extend its life.

Subfloors

Common materials that support your floors.

Close-up of plywood sheets stacked neatly, showing wood grain texture.
Close-up of plywood sheets stacked neatly, showing wood grain texture.
Oriented strand board (OSB) panels laid out on a subfloor frame.
Oriented strand board (OSB) panels laid out on a subfloor frame.
Concrete subfloor surface with smooth finish ready for flooring.
Concrete subfloor surface with smooth finish ready for flooring.
Tongue-and-groove hardwood planks fitted tightly as a subfloor base.
Tongue-and-groove hardwood planks fitted tightly as a subfloor base.