Installing Subfloor Over Existing Floor

2x8 joists 16 oc unsupported span about 11 6 joists are a hard lumber yellowish orangish color.

Installing subfloor over existing floor.

Plywood is the best subfloor choice to lay on top of the pine because it nails in securely and creates a flat even surface for the new floor to adhere to. Install a layer of at least or preferably 5 8 ply over the existing planks. Installing wood flooring over an existing wood floor. Unknown if current subfloor is glued to joists.

See more on this topic. Take time to make sure your existing planks are well secured in place. Repair any broken planks. It is standard practice to install the hardwood floors at a 90 degree angle across the floor joists to stabilize and strengthen the whole floor structure.

If the existing subfloor is 3 4 thick solid and flat with no deflection when walked on you can run the wood flooring parallel with the floor joists to obtain a desired look. Things to take into account when laying ply over plank subfloors. When laying it over an existing floor a. This video covers measuring cutting and the correct tricks for installing to ensure a good bond and long lasting results that never squeak justdoityou.

This is particularly important if your old sub floor has lumps and bumps in it. If you must install parallel to the existing floor lay a minimum of 3 8 inch plywood over the top to increase stability. Once that existing wood flooring is ready to act as a subfloor you will need to install your new floor at a 45 degree angle or perpendicular to the existing flooring. Subfloor slab prep underlayment.

5 8 subfloor is the bare minimum for this new floor and i don t like that.