Thickness Of Subfloor For Hardwood Flooring

A subfloor that is less than 1 2 inch thick will dimple or.

Thickness of subfloor for hardwood flooring.

The thicknesses are as follows. 3 check before installation. 1 suitable wood flooring. Once you determine the subfloor is the proper thickness check that the subfloor is.

If the joists are spaced 16 inches on centers or less the minimum required thicknesses are 5 8 inches for plywood and 23 32 inches for osb. The subfloor provides a support. Tongue and groove plywood is available to reduce squeaks and help the subfloor fit together better. Sub flooring must be installed with the strength axis perpendicular to the flooring joists.

Allow for a 1 32 inch gap between subflooring panels when installing hardwood flooring to accommodate swelling with increased moisture content. 1 2 inch 12 7 mm 5 8 inch 15 88 mm. Nail down or floating floors may be installed over existing vinyl as long as it is no more than two layers thick. A smooth surface is necessary for a subfloor.

Subfloor goes between the joists or boards framing the floor. Plywood is the best subfloor for hardwood flooring installation. 3 4 thick solid wood flooring and most all other hardwood flooring including engineered or floating engineered wood flooring and laminate floors can be installed directly over 5 8 or 3 4 thick cdx plywood sub floors. Cdx plywood ranging from 1 2 to 3 4 inch thick and rated a c will serve well for any hardwood flooring installation.

Floating sub floors floating sub floors for solid hardwood installations generally consist of two layers of plywood or allowing enough wood for a 1 inch flooring cleat to hold effectively. If the spacing increases to but is no more than 19 2. What are the thicknesses of subflooring. Cdx plywood should be a minimum of 7 16 inch thick.

7 16 15 32 and 1 2 inch thick panels require joists spaced 16 inches on center.