Oregon Deck & Patio Maintenance: The Essential Checklist to Prevent Dry Rot in Eugene and Springfield

October 2, 2025

Seasonal Maintenance Checklist: Protecting Your Deck & Patio in Wet Oregon Weather

The Pacific Northwest climate offers lush, beautiful landscapes, but the constant moisture is brutal on exterior wood and hardscapes. In Eugene, Springfield, and Lane County, regular seasonal maintenance isn't just about curb appeal, it's a critical defense against the infamous Oregon dry rot and decay.


As your local, family-owned experts at Shew Family Contracting LLC, we've put together a comprehensive checklist to ensure your deck and patio remain safe, beautiful, and ready for whatever the next season brings.


1. The Fall Defense: Preparing for the Rainy Season

The most critical maintenance window in Oregon is just before the heavy rains begin.


★ Key Task: Cleaning for Mildew & Moss

Oregon's dampness creates the perfect breeding ground for mold, mildew, and moss. Cleaning must be thorough before sealing can be effective.

  • Remove Debris: Sweep or use a leaf blower to clear all fallen leaves, pine needles, and debris. Any organic matter left on the deck traps moisture and accelerates rot.
  • Gentle Washing: Use a deck-safe cleaner formulated to combat mold and mildew. Apply with a soft-bristle brush, letting it sit briefly before rinsing.
  • Pro Tip: Be cautious with pressure washers. Too much pressure can splinter wood fibers, creating more vulnerable spots.


★ Key Task: Inspection for Structural Integrity

Inspect your structure from top to bottom. This is where most homeowners catch small issues before they become major dry rot repair jobs.

  • Deck Boards & Railings: Look for loose boards, raised nails (replace them with galvanized screws), and wobbly railings. Test the stairs to ensure they are firm.
  • The Rot Check: Poke suspicious soft or discolored areas with a screwdriver, especially near the house (ledger board) and where wood touches the ground. Soft, crumbling wood is a sign of wood rot—a common issue in the Eugene, OR area.
  • If you find soft spots, stop the DIY. Call a professional. Shew Family Contracting LLC specializes in structural deck and dry rot repair in Lane County.


2. The Spring Offensive: Renewing Your Exterior Surface

Once the relentless winter rains subside, spring is the best time to refresh the protection on your deck or patio.


★ Key Task: Sealing & Staining

In the Pacific Northwest, a high-quality sealant is your home's armor. It repels water and prevents the UV fading that happens during our sunny summers.

  • The Water Test: Sprinkle a few drops of water on your deck. If the water soaks in quickly instead of beading up, it's time to reseal!
  • Choosing the Right Finish: Look for stains and sealants with mildewcides and UV protection. A semi-transparent oil-based stain often provides the best balance of longevity and appearance for Oregon deck construction.
  • Application: Ensure the wood is completely dry (at least two days of dry weather) before applying any finish.


★ Key Task: Patio & Hardscape Care

Don't forget the pavement! Moisture loves to settle in paver joints and concrete cracks.

  • Moss & Algae Removal: Pressure wash concrete or stone patios to blast away built-up moss and algae.
  • Joint Sand Replacement (for Pavers): After cleaning paver patios, sweep polymeric sand back into the joints. This binds the stones, stabilizing the patio and blocking weed growth.
  • Drainage Check: Ensure all patio areas and deck steps have clear drainage. Standing water is the number one enemy of exterior construction.


★ When to Call the Pros

Seasonal maintenance is manageable for most, but some jobs require the experience of a licensed contractor. If your inspection reveals any of the following, call Shew Family Contracting LLC immediately:

  1. Significant Dry Rot: If rot is found on structural supports (posts, beams, joists) or near the house's siding.
  2. Unstable Railings or Stairs: These are major safety hazards that require immediate, professional repair or deck replacement.
  3. Extensive Water Damage: Damage that has spread from the deck to the house's ledger board or trim.


At Shew Family Contracting LLC, we don't just build custom decks; we help homeowners in Eugene, Springfield, and Lane County protect the ones they have. Our family-owned business is built on honest, high-quality workmanship, ensuring your outdoor space is safe and beautiful year after year.



Ready for a comprehensive deck inspection or need professional dry rot repair? Don't wait for a small issue to become a major project.

📞 Call Shew Family Contracting LLC today for a free estimate on your deck or patio maintenance and repair needs!

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