Log homes are built to last, but even the most solid structures need maintenance—and one of the most important tasks is re-chinking. Chinking is the flexible sealant applied between the logs to keep out air, moisture, and insects while giving your home its distinctive look. But how do you know when it’s time to re-chink, and how should you go about it?
Let’s break it down.
What Is Chinking, and Why Does It Matter?
Chinking fills the horizontal and vertical gaps between logs. Traditionally made from a mix of clay, lime, and sand, modern chinking is usually a synthetic, flexible material that can expand and contract with the logs as they naturally shift with humidity and temperature.
Proper chinking:
- Seals your home from air leaks and moisture
- Prevents insect infestations
- Improves energy efficiency
- Enhances aesthetic appeal
Signs It’s Time to Re-Chink Your Log Home
Most modern chinking lasts 20–30 years, but you may need to re-chink earlier depending on exposure, installation quality, and climate. Here are signs to watch for:
- Cracks or Splits in the chinking
- Pulling Away from the logs or separation at edges
- Drafts or Leaks entering through joints
- Visible Gaps between logs
- Water intrusion or signs of rot near seams
- Pest activity around chink lines
If you notice any of these, it’s likely time to repair or reapply.
How to Re-Chink Your Log Home: Step-by-Step
Re-chinking can be a DIY job if you’re handy, or handled by a professional if the home is large or the damage is widespread.
- Inspect and Clean the Logs
- Use a soft brush to remove dirt and loose chinking.
- Wash the area with a mild log cleaner if needed.
- Make sure the surface is dry and dust-free before applying new chinking.
- Remove Damaged Chinking
- Cut out old or loose chinking with a utility knife or chisel.
- Be careful not to damage the logs.
- Apply Backer Rod (if needed)
- Insert foam backer rod into the gap if it’s deeper than ¾ inch.
- It helps the chinking adhere properly and improves insulation.
- Apply New Chinking
- Use a caulking gun or chinking pump to apply a smooth bead along the seam.
- Smooth it out with a trowel or foam brush.
- Follow the product’s recommended thickness and curing time.
Recommended product:
Try Sashco Log Jam Chinking—a trusted, flexible, and weatherproof option made specifically for log homes.
- Allow to Cure
- Curing can take 24–72 hours, depending on humidity and temperature.
- Keep the area dry during this time.
Tips for a Better Re-Chinking Job
- Use high-quality, flexible synthetic chinking made for log homes.
- Don’t apply in freezing temperatures or direct hot sun.
- Re-chink entire sections, not just small patches, for consistent appearance and seal.
Need Help? Call the Pros
Not a DIYer or have a large project on your hands? Trust the experts at 888-LOG-GUYS. They specialize in log home restoration, repair, and chinking, and can give your home the professional care it deserves.
Final Thought
Re-chinking your log home isn’t just about appearance—it’s about protection. Addressing it promptly helps prevent costly repairs and keeps your home warm, dry, and beautiful for years to come.
Whether you’re doing touch-ups or a full re-chink, regular inspections, good materials, and expert help when needed will keep your log home in top shape.
Got questions about chinking or restoration? Contact the team at 888 Log Guys.
