Best Flooring Over Osb Subfloor

Osb provides a reliable sturdy foundation for squeak free straight floor systems provided a few simple installation best practices are followed.

Best flooring over osb subfloor.

A beautiful floor starts with a stable subfloor. 3 4 thick solid wood flooring can be installed directly over 3 4 thick osb subfloor. Even so the national wood flooring. Builders often reserve the use of oriented stand board for residential sheathing and construct subfloors with plywood.

When installing a ceramic tile floor on a concrete subfloor you don t have to worry about flexing as long as the concrete slab is at least 1 1 8 inch thick which most slabs are. On wood frame floors the subflooring provides a continuous structural surface over the floor joists. Osb subflooring looks like and is a bunch of wood chips glued together. Installed directly over the joists the primary function of a subfloor is to create a flat solid surface for the finished flooring to rest on.

Concrete expands and contracts and that type of movement can also crack the tiles and the grout. In basements and in homes with slab on grade foundations the subfloor may simply be a concrete slab. How to install a wooden floor over osb. The goal is to have a wooden subfloor consisting of two.

Nail down or floating floors may be installed over existing vinyl as long as it s no more than two layers thick. Installation usually consists of gluing and nailing the osb sheets to the floor joists. However you re not out of the woods. It is standard practice to install the hardwood floors.

Thicknesses for products used for subfloors are generally 23 32 inch just under 3 4 inch but thicker sheets are available where building codes call for them. In fact due to the problems that edge swelling creates underneath a finished floor a couple of national ceramic tile associations have discouraged the use of osb as a subfloor or underlayment. Osb oriented strand board subflooring. Generally this only refers to a layer of plywood but in the case of bathrooms it includes an underlayment of concrete backerboard as well.

Subfloor sheets for both osb and plywood come in 4 x 8 or 4 x 12 sheets. Thoroughly vacuum the existing floor and use a long floor leveler and tape measure to ensure the subfloor is level within 3 16 inch for every 10 feet.