How To Fix Bouncy Floors. Remodel or just add new flooring to a room consider adding a layer of 3 4-in. Here are some tips for repairing bouncy floors in open web floor truss systems by adding bracing.
Attach each board to the adjoining floor joist with a pair of 10d- to 16d-sized nails placed about every 18 inches. Revolutionary wood product which allows you to eliminate bounce and vibration in wood frame construction floors. Continue until each joist has an extra board attached to one side.
Use post shore jacks screw jacks or hydraulic jacks to lift the new beam into position beneath the joists.
Plywood subfloor sheathing over the lumber decking. Blocking short pieces of 2x stock the same depth as the joists stops sideways deflection and ties the joists together so they can effectively share floor loads. Spongy floors could occur as a result of water damage high levels of moisture and temperature or issues related to the sub-floor. The first thing to do is to address moisture issues if there are any.
