Fixing a Squeaky Wood Floor From Below
To tighten a loose subfloor board, place glue on the tip of a shim and hammer it between the subfloor and joist until tight. | To tighten a series boards, drive a 2x4 against the subfloor using a prop. Nail 2x4 to the joist. Repeat on opposite side. |
To tighten loose boards, use 1-1/4" inch roundhead screws. Use washers and drill pilot holes.
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To tighten bridging, hammer in new, larger nails. If still squeaking add steel bridges. |
To add steel bridging, push new bridging tight against subfloor, and nail to bottom. |