How to Spot Wood Rot Before It Destroys Your Trim

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Wood rot is a silent, expensive problem for homeowners. It occurs when moisture gets trapped inside wood fibers for an extended period, allowing fungi to grow and break down the structural integrity of the wood. Catching wood rot early can save you thousands of dollars in major replacement costs.

Because rot often hides beneath a thin, old layer of paint, it isn’t always obvious at a casual glance. Take a short walk around your property this weekend and inspect these common trouble areas:

• The Fascia and Roofline: Look closely at the long boards behind your gutters. If gutters overflow, water spills backward onto the wood, causing rot to start from the top down.
• Window Sills and Corners: Check the lower corners of your window frames where rain naturally collects and pools.
• Siding Near the Ground: Siding panels that sit close to dirt, grass, or mulch draw moisture up from the earth constantly.

The Touch Test: Carry a small tool, like a screwdriver, as you walk. Gently press into any discolored or dark spots on your trim. If the wood feels soft, spongy, or crumbles easily under light pressure, rot has set in.

Addressing these soft spots immediately stops the fungal damage from spreading into your structural wall studs.