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Leaning and Wobbly Fence Post Repair Guide

mediumHome Repairhalf day

Safety Warnings

  • Always wear protective gear including safety glasses and gloves.
  • Call 811 before digging to mark underground utility lines; hitting a line can result in serious injury or death.
  • When working with heavy or unwieldy fencing materials, have a second person help to stabilize and lift.

Tools Needed

Phillips #2 screwdriver โ€” Phillips #2
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level โ€” post level
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shovel โ€” sharpshooter shovel
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hammer โ€” sledgehammer
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Materials

fast-setting concrete โ€” standard mix(as needed)
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gravel โ€” all-purpose(6 inches per hole)
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exterior screws โ€” 3 to 4 inches(as needed)
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wooden braces โ€” 2-inch by 4-inch by 8-foot(2)
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Steps

1
Assess the problem by examining the leaning post. Determine if the wooden post is rotted at the base or if a metal post is bent. If a wooden post is rotted, broken, or has insect damage, it must be replaced.
2
Relieve pressure on the fence. For wooden fences, place 2-inch by 4-inch by 8-foot wooden braces on both sides of the fence, wedging them between the ground and the fence to keep it upright. Remove any fence panels or pickets that obstruct access to the post.
Wooden brace Fence post wedge firmly Position wooden braces to stabilize the post and relieve pressure.
3
Dig out the soil around the base of the leaning post until you reach the bottom of the footing or the previous concrete. If you are replacing the post, dig the hole to a depth that extends below the regional frost line.
4
Straighten the post and check for plumb using a level on two adjacent sides. Use temporary stakes or braces affixed to the top of the post at a 45-degree angle against the ground to keep the post perfectly straight during the filling process.
Wooden Post Post Level Temporary Brace Push Plumb Adjust angle Use a level and temporary braces to keep the post perfectly vertical.
5
Fill the bottom of the hole with 6 inches of gravel to provide a solid base and improve drainage. Then, fill the remainder of the hole with fast-setting concrete. If using dry-pour concrete, pour approximately one gallon of water on top per 50-pound bag to ensure it mixes thoroughly.
Gravel base Concrete Plumb post Fill to brim Fill hole with 6" of gravel, then top with fast-setting concrete.
6
Allow the concrete to cure. It typically takes 40 to 60 minutes to dry, but wait approximately 4 to 6 hours before reattaching fence panels to ensure maximum stability.
7
Reassemble the fence. Reattach the horizontal rails and fence panels to the post. If old rails are rotted, remove the old hardware, cut new rails to fit between the posts, and secure them with exterior screws.
Fence post Horizontal rail Exterior screw drive screw home Secure horizontal rails to post using exterior-grade screws.
8
Perform a final inspection and maintenance check. Ensure all nails and joints are tight. If you are unsure of the structural integrity or lack the necessary tools, contact a professional fencing expert.

Pro Tips

  • Wet the hole before pouring concrete for better adhesion.
  • If using gravel instead of concrete, tamp it down tightly as you fill to prevent settling.