Perma-Chink Elastic Log Home Chinking and Sealant
Since 1981, Perma-Chink Log Cabin Chinking has proven itself on thousands of log homes and become the most widely applied chinking in the world. It’s simply the best log caulking and chinking by every measure: longevity, appearance, performance, and ease of application.
Revolutionizing the log home industry from day one, we have improved Perma-Chink throughout the decades to offer a log home chinking with unparalleled adhesion, elasticity, easy tooling, and blister-proof, slump-free performance.
Our development efforts are why Perma-Chink is the leading choice of log homeowners who want to seal and protect their investments for generations.
Shop Available Sizes
No matter the size of your project, we have the right size of our log cabin chinking products 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.
Product Information
Perma-Chink is a flexible, textured log house 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.
Features
- Eliminates Air and Water Infiltration
- Remains Flexible to Allow for Log Movement
- For Exterior and Interior
- Suitable for all Climates
Resource Links
- SDS (External website)
- Product Label
- Sealants Application Guide
- Watch the Application Video on YouTube
Application Temperature
40° to 90°F
Application Methods
- Chink Pump
- Bulk-loading gun and follow plate
- Ratchet caulking gun
- Application bag
- Surface Preparation
- Clean and dry
- Free of oils and wax
- Backing material or bond breaker
Shelf Life
3 Years
Frequency
One-time application
Special Instructions
- Apply to approximately 3/8″ thickness
- Avoid applying log cabin chinking in direct sunlight
- Chink seam size should be 1/6 of log diameter
Drying Time
- Skins over in 1-2 hours
- Cures in 2-8 weeks depending on temperature and humidity
Perma-Chink Calculator
Estimate the amount of Perma-Chink needed for your project
Recommended Products
Application Steps
Step 1
Fill log gaps with appropriately sized backer rod before applying sealant.
Step 2
Apply Perma-Chink log cabin chinking over backer rod.
Step 3
Mist with water to make the tooling sealant easy and smooth.
Step 4
With light pressure, slide the flat-bladed tool along the log house chinking to smooth and ensure adhesion to logs.
Frequently Asked Questions
Your questions about Perma-Chink log home caulking, answered.
Can I get Perma-Chink wet?
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.
Can I stain over Perma-Chink chinking?
Yes. Perma-Chink will take on some color, so if you prefer to keep the color pristine, you can apply the sealant after the finish goes on the logs.
What if I don’t like my chink color?
Good news! We have Chink Paint that can change the color of your chinking.
