Plywood Flooring Thickness

The most common plywood uses include support for floors walls roofs and garages in residential construction.

Plywood flooring thickness. Because the actual thickness may vary measuring the plywood is the only accurate way to determine its thickness. The subfloor is the decking installed on top of flooring joists. It is rot resistant with knots replaced with football shaped plugs to give it a smooth moisture resistant surface. 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.

The thickness needed for subflooring depends on the type of floor that will go on top and the primary purpose for the subfloor. The recommended thickness of the plywood subfloor is governed by the spacing of the joists. Plywood flooring thickness is important for proper weight distribution. Plywood is the most common type of subflooring.

What is the actual thickness of a sheet of plywood. The thickness of plywood panels in a subfloor is regulated by the. The most common thickness of plywood is 1 2 inch but plywood thickness can range from 1 8 inch to 3 4 inches. The thickness of your plywood subfloor depends on the joist spans.

This type of plywood won t sag when used on a 12 inches joist structure. A 3 4 sheet is actually 23 32 thick. It adds proven performance and durability to new homes room additions and renovations. Plywood flooring thickness is important for proper weight distribution.

Plywood sheathing delivers outstanding rigidity strength and versatility and is an excellent choice for. The finished floor is then installed on top of the subfloor. Plywood is often sold in 1 4 1 2 or 3 4 nominal thicknesses but the actual thickness is often 1 32 thinner. Some experts suggest that 15 32 inch plywood should be standard if the underlying floor joists are spaced 16 inches apart or less but slightly thicker 3 4 inch plywood should be used for joists spaced further apart.

Plywood sheathing is ideal for residential and light plywood sheathing is ideal for residential and light construction and every piece meets the highest grading standards for strength and appearance. The recommended shed floor plywood thickness is 3 4 inch pressure treated exterior grade cdx plywood. Attic storage might be a good idea but other issues such as insulation joist spacing and intended usage should be taken into consideration.