How to properly chink a round log wide chinking joint

Описание: Round-Log “Wide Joint” Chinking | Full How-To

Wide gaps between round logs call for a beefier bead and bullet-proof prep. In this quick tutorial you’ll learn the exact sequence to nail a perfect 5⁄16–3⁄8-inch chink joint—no air pockets, no sagging, just a smooth, watertight seal that lasts.

🔑 Key Steps You’ll See
Surface Prep – Knock out every speck of dirt, dust, mold, oil, and wax so chink sticks like glue.

Backer In – Seat approved backer foam for the right depth (5⁄16–3⁄8 in).

Lay the Bead – Bulk gun or sausage tube, top-to-bottom or bottom-to-top, steady and even.

Dry Tool Pass – Swipe left→right then right→left to pop bubbles and level the bead.

Final Finish – Light mist on the trowel, glide once for a glass-smooth face.

🛠️ Gear at a Glance
Variable-speed bulk gun

Backer rod/strip (sized for wide joints)

Chink trowel or spatula

Fine spray bottle (water mist)

💡 Why It Matters
Proper width + depth = maximum elasticity, weatherproofing, and a finish that holds up to log movement year after year.

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🛒 Supplies & tech help → permachink.com | 1-800-548-3554

Okay, so here we have a chinking application for round logs. The first thing you want to do is make sure all top and bottom adhesion points are clean, dry, and free from contaminants, including dirt, dust, mold, mildew, oil, and wax.

Install an approved backing material. Ensure you have proper depth for chink of at least 5 16ths to 3 8ths of an inch.

Install chinking by starting on either end of the chink joint to be done. Fill bulk loading gun or method of application for your choosing. Apply a consistent bead from top to bottom, bottom to top, moving in either direction, maintaining at least 5 16ths to 3 8ths of an inch thickness. Then you want a dry tool. From right to left, left to right, to eliminate any surface defects and also to eliminate any air bubbles you might see.

Then you want a dry tool. Either from right to left or left to right, to eliminate any surface defects and also to eliminate any air bubbles you might see.

Once you have ensured chink material is adhered to top and bottom adhesion areas and at a proper thickness of 5 16ths to 3 8ths of an inch, you can spray your trowel with a small amount of water. You can spray your trowel with a small amount of water and lightly trowel surface to create a smooth finish.

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