Just 2 horse mats to absorb the dead lifts is all that s needed a much better sol n imo there s no need to mat the entire room for cryin out loud a couple of pieces of cheap carpet just to protect the floor from scuffs would of done just as well imo.
How to protect basement floor from deadlifts.
The floor joists spread out the load.
If you can pull from the floor with great form and without low back pain go for it.
To make bar height better fit your body place 10 25 or 45 pound bumper plates underneath the deadlift bar.
Really you should be deadlifting on a deadlift platform with concrete floors underneath ideally a basement or garage.
A 3 4 inch thick rubber gym flooring is generally regarded as the bare minimum for proper floor protection for olympic lifting.
Use high strength contact cement to attach the two pieces of rubber to the understructure.
Check out my full article here that will help you figure that out.
Not sure if you need a platform.
Line up all the pieces and then use wood glue plus screws along the outside edges of the four foot side only to fasten the center piece of plywood to the understructure with the a side of the plywood facing up.
Your deadlift is ugly.
If you throw a stall mat on the floor you aren t really distributing the weight.
Using a platform or pads is an inexpensive way to both protect your floor and stay safe.
If you are in a garage or basement with a cement floor you are better prepared to deal with this issue than home gym owners that locate their gym in other areas.
If some portion of the floor is bare you can start stacking extra weight on the rest of the floor and it would be fine.
Long torso and long arms equals a poor deadlift while long legs equals a good deadlift.
2 sheets of plywood will help significantly if your floor joists are up to the task.