Thickness Of Osb For Flooring

What are the thicknesses of subflooring.

Thickness of osb for flooring.

Using osb for flooring osb comes in plywood sized sheets that are typically 4 feet wide and either 8 9 or 10 feet long with thickness ranging from 3 8 to 1 1 8 inches. A smooth surface is necessary for a subfloor. Osb can be used for subfloors although it is not as common as cdx. A subfloor that is less than 1 2 inch thick will dimple or.

Osb stands for oriented strand board. In germany both osb 3 and osb 4 are used for loadbearing purposes. Structurally osb and plywood are very similar in strength and ability to hold nails or screws. Osb has the appearance of giant cornflakes pressed together to form structural panels in sizes similar to plywood such as 4 x 8 x 5 8.

For 23 32 inch thick panels the joists should be at least. For 19 32 inch thick panels the joists should be 20 inches on center. Osb may have greater shear strength the ability to span distances than comparable thickness of plywood. If you only intend to use boards as cladding for visual effect they can be relatively thin.

Subfloor floor covering or finish floor is the term for the topmost eventual floor the floor that you walk on and see. Subfloor goes between the joists or boards framing the floor. If they are any thinner than that there can be a risk of swelling and warping. Plywood shed flooring is usually 3 4 inch and osb 5 8 inch thick.