Wood Fence Maintenance: How to Make It Last Through Michigan Winters

By Brandon Duval · Updated August 2026

A good wood fence in Ann Arbor should give you fifteen to twenty years or more. The thing that decides whether you get the high end or the low end is not the wood. It is the few hours of upkeep you put in each year. Michigan winters are hard on wood, and a little attention now saves you from a leaning, gray, splitting fence later.

Here is how we tell our customers to keep a wood fence solid through the freeze and thaw.

Why Michigan winters are tough on wood

Our weather is a wood fence's worst case. Boards soak up moisture in fall, freeze solid, then thaw and dry out, over and over from November through March. That freeze-thaw cycle works moisture into every crack and pushes it wider. The ground does the same to your posts. When wet soil freezes it expands, and that frost heave can lift and tilt a post that was not set below the frost line. Add road salt, wet snow piled against the boards, and short gray days, and you have a lot working against bare wood.

The fix is not complicated. Keep water out of the wood, and keep an eye on the posts.

Clean before you seal

Sealer cannot soak into a dirty fence. Before you put anything on, wash the boards down with a mild detergent and water, scrub off the dirt, mildew, and green film, then rinse it clean. Let it dry fully. This step matters more than the product you choose. Sealing over grime just traps the grime.

Seal or stain on a schedule

A water-repellent sealer or a stain-and-sealer is what actually protects the wood. As a general rule, plan to reapply every two to three years. The easiest test is water itself. Splash some on the boards. If it beads up, your seal is still working. If it soaks in and the wood darkens, it is time for a fresh coat. Faded color and a rough, dried-out feel are the other tells.

A tinted stain buys you more than a clear sealer, because the pigment blocks the UV that grays out bare cedar and pine. Whatever you pick, that coating is the single biggest thing standing between your fence and a Michigan winter.

Time it right

Wood needs to be dry to take a finish, and the finish needs decent weather to cure. Wait for three dry days in a row before you start, and aim for temperatures between 50 and 80 degrees. That is why spring and fall are the sweet spot here. Summer can flash-dry the stain before it soaks in, and you cannot seal in a Michigan winter at all. Early fall is ideal, because you are sealing the wood right before the hardest months hit.

If your fence is brand new, give it time before that first coat. Cedar can usually take a finish after a few weeks of drying. Pressure-treated pine holds a lot of moisture from the mill and needs a few months to dry out before it will accept a sealer. Seal too early and you trap moisture inside, which is the opposite of what you want.

The before-winter checklist

Late fall is the time to walk your fence line and tighten things up. Push on a few posts. If any wobble, make a note, because frost heave will make a loose post worse fast. Re-screw any loose boards and tighten your gate hardware while the ground is still workable. Through the winter, do not pile shoveled snow against the fence, and knock heavy wet snow off the top rails. A drift sitting against the boards for weeks is just slow water damage.

The same care applies to a wood shed. If you have one, give it the same seal and the same fall once-over. If you are thinking about adding one, our Shed Configurator lets you build and price it online.

When it is past maintenance

Sometimes upkeep is not enough. Posts rotted at the base, boards splitting beyond a few replacements, or a fence already leaning hard are signs you are throwing good money after bad. If you are not sure which camp you are in, Book a Call and we will take a look and give you a straight answer.

And if it is time for a fresh start, our Fence Estimator gives you a price range for a new fence in about two minutes, no sales call needed.

A2 Craftsmen is a locally owned fence and shed company serving Ann Arbor and Southeast Michigan.

Built local, built right.