Every Wisconsin spring brings the same ritual for fence owners: the walk-around to see what winter did. The ground has thawed, the snow has melted, and now you can see clearly what three to five months of frost, ice, and heavy snow have left behind. This checklist helps you conduct a systematic inspection - knowing exactly what to look for, how to assess severity, and when to handle it yourself vs. when to call a pro.

When to Conduct Your Spring Inspection

The ideal time is after the ground has fully thawed - typically late March through April in most of Wisconsin, May in the far north. Inspecting while the ground is still partially frozen can give you a false reading on post stability. Wait until soil has returned to its normal state, then walk your entire fence line on a dry day with good visibility.

What You'll Need

  • Sturdy flat-head screwdriver (for probing wood)
  • Notepad or phone to document findings
  • Camera to photograph damage
  • Level (optional but useful for checking post plumb)

Section 1: Post Inspection

Posts are the foundation of your fence. Start here - if the posts are failing, everything else is moot.

Post Checklist

  • Stability test: Grab each post firmly at shoulder height and push firmly side to side, then forward and back. Any movement more than ½" is significant. Movement over 1" requires immediate attention.
  • Frost heave check: Look at the base of each post at grade level. Has the post risen? Look for soil gaps or a "halo" of disturbed earth around the post base - signs of upward movement.
  • Plumb check: Stand back and sight down the fence line. Posts that are visibly leaning, especially if the lean is inconsistent (some lean one way, others another), indicate post base failure.
  • Rot probe: For wood posts, probe the post at and just below grade level with a screwdriver. If it penetrates more than ¼" without resistance, the wood is soft-rotted. This is the most critical failure mode in Wisconsin - wood post rot at grade is the #1 cause of fence collapse.
  • Concrete collar check: Look for cracked or heaved concrete around the post base. Cracked footings may indicate improper depth - if posts were not set below frost line, heaving will recur every winter.

Section 2: Rails and Boards (Wood Fences)

  • Check all rails for sag: Look along the top and bottom rails from the end of a fence section. Rails that sag in the middle indicate either failing post connections or rot in the rail itself.
  • Probe all boards: Work systematically - tap each board with your screwdriver handle. A solid board sounds dense; a rotted one sounds hollow. Then probe any suspect areas. Focus on the bottom 6–12 inches (closest to soil moisture) and at any point where boards contact the ground or are touching vegetation.
  • Check for splits and cracks: Freeze-thaw cycles split wood boards along the grain. Small surface cracks can be sealed; deep splits that go through the board require replacement.
  • Look for loose or missing fasteners: Boards that protrude or rattle in the wind have lost their fasteners. Replace immediately with galvanized or stainless screws - never bare steel nails, which will rust and fail again quickly.
  • Assess the stain/sealer: If the wood is grayed, silver, or deeply weathered, the sealer has failed. Plan to clean and re-seal before summer.

Section 3: Vinyl Fence Inspection

  • Check for cracks and impact damage: Examine all panels and rails closely, especially areas near driveways, snowblower paths, or where branches might have fallen. Cold-weather vinyl cracks can appear as fine hairlines or full panel breaks.
  • Inspect rail connections: Check where top and bottom rails connect to posts. Heavy snow or ice can stress these joints - look for cracks or separation at the connection points.
  • Verify post caps: All post caps should be fully seated. A missing or cracked post cap lets water into the hollow post, where it freezes and can crack the post from the inside.
  • Look for discoloration: Green or black streaking on vinyl is algae or mold - it doesn't damage the vinyl itself but should be cleaned off with a vinyl cleaner or diluted bleach solution.

Section 4: Gates and Hardware

  • Test operation: Open and close every gate. It should swing freely without dragging and latch completely without forcing.
  • Check hinge condition: Inspect all hinge bolts and straps. Replace any hardware showing significant rust or fatigue cracks.
  • Verify latch alignment: Latches that no longer engage properly indicate the gate frame or post has shifted. This often means a post has moved - address the post, not just the latch.
  • Lubricate moving parts: Apply a general-purpose lubricant to all hinges, latches, and tension hardware. This extends hardware life significantly.

Section 5: Chain Link Specific Checks

  • Check mesh tension: Heavy snow loads can stretch chain link mesh, creating sag. Re-tension the mesh with a tension bar if it's sagging mid-span.
  • Inspect tension bars and banding: Look for bent or broken tension bars at the end of mesh runs. These are inexpensive to replace but important for mesh integrity.
  • Look for rust spots: Any rust on galvanized chain link means the protective coating has been compromised. Treat with a rust converter and apply galvanized spray paint to prevent spread.

Prioritizing Your Repairs

Fix Immediately

Post rot at grade, posts with significant movement, fallen sections, gates that won't latch (security issue). These compromise safety and security.

Fix This Season

Isolated board rot, loose fasteners, cracked vinyl panels, missing post caps. These will worsen over summer if left unaddressed.

Schedule Before Fall

Re-sealing weathered wood, general cleaning, hardware lubrication, minor aesthetic repairs. Can wait but shouldn't carry into next winter.

Found damage during your inspection? Our team provides free on-site assessments and written repair estimates across Wisconsin. We'll walk your fence with you and tell you exactly what needs attention - and what can wait.