Install Hardwood Over Osb Subfloor

How to install a wooden floor over osb.

Install hardwood over osb subfloor.

Osb subfloor is mostly serving as a base under the finish floor hardwood engineered wood vinyl tile etc and even below the underlayment in some cases. Sub floor adhesives prevent uneven and squeaky floors. Plywood and osb over joists. It is standard practice to install the hardwood floors.

Builders choose osb because it typically costs less than plywood free of knots and voids and can be used interchangeably in typical flooring applications where the panels have the correct span rating. Even so the national wood flooring. We ll be using a pneumatic toe nailer and plan to lay it directly over the osb without an underlayment such as roofing felt craft paper etc. 1 suitable wood flooring.

While this is not a definitive guide to hardwood installation over osb panels there are some important points to ponder. Right now i have 3 4 tg hardwood which is not in the best shape over a 2 5 wide x 3 4 inch think plank subfloor which runs perpendicular to the joists 2x10 16 oc. Installation usually consists of gluing and nailing the osb sheets to the floor joists. Ideally i would tear out the existing finish flooring screw down the existing plank subfloor where loose repair the plank subfloor where needed and then lay my new.

Hardwood can make for a durable and beautiful floor but small mistakes in the subflooring or installation can wreak havoc and buckling squeaky uneven floors can all result from poor installation. The national wood flooring association advises that osb sub flooring panels be glued and fastened. Osb oriented strand board subflooring. Builders often reserve the use of oriented stand board for residential sheathing and construct subfloors with plywood.

3 4 thick solid wood flooring can be installed directly over 3 4 thick osb subfloor. Usually manufactured in 4 by 8 foot sheets plywood panels and osb are acceptable subfloors for hardwood flooring as long as they. Select an approved adhesive for sub flooring that is strong enough to keep its bond over the lifetime of the floor and elastic enough to allow for settling in the panels and joists. An increasing number of homes and light commercial buildings have oriented strand board osb subfloors.

Other osb negatives contractors builders and home remodelers have mixed opinions about the use of osb for flooring mostly tending toward the negative. We re installing reclaimed oak t g 3 4 in our loft upstairs which has 3 4 osb subfloor over engineered joists. Okay to install hardwood over osb.