Is it better to use OSB or plywood for subfloor?

Is it better to use OSB or plywood for subfloor?

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.

Is OSB a good subfloor?

A well-installed subfloor should last as long as the house itself, but OSB is slightly more flexible than plywood, so it is not the best choice under heavy flooring like ceramic or stone tile.

Is OSB board OK for flooring?

Use in Ceilings and Floors When using OSB boards to cover ceilings or floors, tongue-and-groove joints are recommended because they facilitate installation and yield very even, level results.

Is OSB subfloor waterproof?

OSB is strong and water-resistant. Every single fiber or piece of wood in an OSB is saturated with a cocktail of resins designed to provide superior strength and waterproofing to the finished product. ... This type of board is an excellent material for use in waterproofing systems, be they roof, sub-floor or wall.

What is 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.

What wood should I use for subfloor?

Plywood Plywood has been a standard subfloor material since the 1950s and remains the preferred subflooring for many builders. Standard plywood can be used for subfloors, but a better material is 3/4-inch tongue-and-groove plywood subflooring.

What's the best subfloor material?

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.

What is stronger plywood or OSB?

Osb is stronger than plywood in shear. Shear values, through its thickness, are about 2 times greater than plywood. This is one of the reasons osb is used for webs of wooden I-joists.

What can I use for a subfloor?

Best Subflooring Material for Finished Floors
FINISHED FLOORSUBFLOOR
TileConcrete Plywood with cement board underlayment
HardwoodPlywood
LaminatePlywood with a thin plywood underlayment

What flooring goes over OSB?

Can You Lay Vinyl Floor Over OSB?

  • You can lay vinyl floor over OSB so long as the OSB is free of imperfections. ...
  • You can put tile or sheet vinyl flooring over OSB so long as you ensure that the surface of the OSB is completely smooth without any major knicks, knots, or bulging staples.

What type of plywood should I use for a subfloor?

  • Plywood has been a standard subfloor material since the 1950s and remains the preferred subflooring for many builders. Standard plywood can be used for subfloors, but a better material is 3/4-inch tongue-and-groove plywood subflooring.

Could OSB be better than plywood?

  • OSB offers more consistent quality than plywood because there are no core voids and OSB will not delaminate. Plywood is also more likely to delaminate when exposed to moisture than OSB. No matter your inclination, OSB has become the building material of choice for North American professionals.

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 is better for a roof, plywood or OSB?

  • Plywood will absorb moisture quicker than OSB, but consequently it will also dry quicker. Both products will swell when wet, but plywood will return to almost its exact shape when it dries. OSB is less forgiving of being left out in the rain and will show more deformities after a wetting and drying cycle. Oct 9 2019

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