How to Fix a Broken Floor Joist
Tools & Materials Needed
- level
- Reciprocating saw
- 5 Pound hammer
- Tape measure
- Structural screws and joist hangers if applicable
- Power saw
- Framing lumber or laminated lumber if needed for strength
- Wood shims
- Hydraulic Jack or Metal jack posts
- Misc. hand tools
- Impact driver and accessories
Cutting the New Joist
I used a power saw to cut the new joist so it would sit 3-inches into, and on top of the beam. Once I had my length cut, I then ripped ½” off the width of the new joist.
Note – when installing a new joist, on a foundation wall you may need to notch the bottom edge so it can fit. Each situation is different. Follow IRC and your local building code guidelines for notching framing material before doing this repair.
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