If raising the floor height is not a problem you can install a layer of 1 2 inch plywood over the existing 3 4 inch plywood.
How to install wooden floor joists.
If you can feel some deflection you have two options.
Both solid wood and engineered can be fitted this way.
Step 5 finishing up.
Wood floor fitting over joists to answer directly to the question yes it is entirely possible to install a hardwood directly on top of the joists.
Engineered wood floors are easy to install and resistant to moisture making them a great alternative to traditional.
Make sure the bottom of the joist is sitting on the hanger without any gaps.
For most jobs 2 in 5 1 cm x 10 in 25 cm boards are an ideal size.
Repeat the process as many times as necessary to have joists at roughly 16 inch intervals underneath your floor.
Keep joints that line up at least two rows apart.
Fit the joist hanger around the joist.
You ll use the same size lumber to assemble the rim joists as you will for the main floor joists.
Make sure you ve got the right amount of flooring for your space.
Besides solid wood joists systems such as i joists and flooring trusses provide other options for consideration when it comes to installing a flooring framework.
Install joist hangers for added strength with a hammer and nails.
In cases where greater open spans are needed framers often use joist hangers which are u shaped hardware pieces that are nailed in to accept hold and support flooring joists.
Find a metal joist hanger that can support the new joist you re installing.
Install hardwood floors perpendicular to the floor joists parallel to the longest wall leaving a inch expansion gap around the perimeter.
Then hammer the hanger to the wall with 16d galvanized nails.
When possible begin installation from the straightest longest wall and install the flooring perpendicular to the floor joists.
Face nail each board at the point of every joist and set the nail with a nail set.
Most manufacturers recommend a standard cutting ordering allowance of 5 and a culling allowance up to an additional 10 percent if installed on a.
The rim joist sits vertically on top of the sill plate along the outside of the frame to create a lip for the main floor joists.
Join the ends of the boards over a floor joist where possible avoiding joints that form an h.