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The Original Elastic Log Home Chinking

Since 1981, Perma-Chink Log Home Sealant has proven itself on thousands of chinked and chinkless style homes to become the most widely applied chinking in the world. It's simply the best log home chinking by every measure: longevity, appearance, performance and ease of application. Revolutionizing the log home industry from inception, we have improved Perma-Chink throughout the decades to offer a log home sealant with unparalled adhesion, elasticity, easy tooling, and is blister-proof and slump-free. Our improvement efforts is why Perma-Chink is the leading choice of log homeowners who want to seal and protect their investments for generations. 

Perma-Chink Colors

Perma-Chink Available Sizes

Perma-Chink Available Sizes

No matter what size your project, we have multiple sizes to meet your needs.

5 gallon pails are best suited for large projects, paired with a follow plate and bulk loading gun (manual or powered). This combination is less expensive than using tubes.

Perma-Chink Product Information

Product Information

Perma-Chink is a flexible, textured log home chinking that seals the open gaps between logs to eliminate heat loss and air infiltration. Even though it looks and feels like traditional mortar, it's not. Perma-Chink is a pure acrylic that adheres to logs and stretches to maintain a tight seal by following log movement.


  • Eliminates Air and Water Infiltration
  • Remains Flexible to Allow for Log Movement
  • For Exterior and Interior
  • Suitable for all Climates

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Perma-Chink Application

Application Steps

Perma-Chink FAQ

When applying Perma-Chink, we recommend spraying the applied Perma-Chink with water to help tool (smooth out) the sealant and ensure proper adhesion to the logs.

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