Awasome Kitchen Floor Joists Subfloor. Web by offsetting the underlayment you are deflecting the sway from the joists and allowing the underlayment to move with the subfloor, which should be less. The subfloor is a fundamental part of any building structure.
If necessary, add blocking between joists to reduce flex. Web when looking at the attic or shed flooring, look at a subfloor’s horizontal shear strength. Web when it comes to replacing your subfloor, you’ll find a variety of options to suit your budget.