Asked by: Sahel Dato
asked in category: General Last Updated: 10th April, 2020

What thickness plywood should I use for bathroom flooring?

The subfloor rests directly on the floor joists and is the lowest layer of flooring material. Plywood three-quarters inch thick is the most common and the strongest. Plywood that is five-eighth inch thick also available for flooring, but using it restricts joist spacing and the types of finished flooring.

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Similarly, you may ask, what plywood should I use for bathroom floor?

Traditionally, exterior grade plywood has been the subfloor material of choice for many bathroom flooring projects. Plywood is made by gluing alternating layers of wood veneer. CDX plywood (¾”) in particular is used often because it has a high level of resistance to moisture and humidity.

Also Know, how thick should a bathroom subfloor be? Make Sure Your Subfloor is Structurally Stable The installation guide for 1/4 inch HardieBacker recommends having wood subfloors made of 5/8 inch exterior grade plywood or OSB (oriented strand board) that is 23/32 inches thick.

Also, what thickness plywood should I use for flooring?

Thickness of Plywood 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 thickness cement board should I use?

Cement Board Thickness Cement backer board comes in two standard thicknesses, 1/2 inch and 1/4 inch. The industry standard is to use 1/2-inch-thick backer board on wall tile installations, such as a tub surround.

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