Yes you can install new hardwood over your existing yet need to look first to see if this is going to cause height issues for doors thresholds cabinetry wallbase etc.
Installing hardwood flooring over old hardwood.
Adjust the flooring until it lines up.
Beginning at the longest wall put inch thick spacers between the wall and the first row of flooring.
Secure the first row of planks traveling lengthwise along the wall.
Installing wood flooring over an existing wood floor.
We show you all the steps from preparing sub floors through installation and finishing with trim difficulty le.
Total height off joists would be slightly over 1 5 since hardwood was a generous 3 4 as was the subflors used here.
Want to learn how to install hardwood floors.
If you re dead set on keeping the original direction a minimum 3 8 plywood sub floor should be installed over the older floor.
Do not sand any surfaces containing lead based finishes paints or asbestos.
Wood flooring can be installed over existing ceramic tile terrazzo or marble with proper underlayment or adhesives only on manufacturer s recommendation.
Turn the grooved edge of the plank toward the spacers.
Check for flush by placing a straight edge against the tongue of the flooring.
Newly fastened floors over existing wood floors should be installed opposite example photo right or at a 45 degree angle to the original direction.
If you do go this route also make sure your existing hardwood and subfloor are securely screwed down to alleviate possible squeakiness.