Chink
The chink we use today is a latex acrylic product that is made to resist UV damage, flex with the logs movement and seal out water and bugs among other things. To install this new modern chink, the old chink needs to be removed. This is usually a labor intensive, painstaking endeavor.
As the old chink is removed, care must be taken to shim the logs as the chink may have provided some structural support, also, care must be taken to not damage the logs or the interior chink. Once all of the old chink is removed, and the area cleaned out, a cellular backer rod is applied. This backer is custom cut to fit the gap and has a “grip” so to hold the chink. The air gap left between outside and inside creates insulation. We generally use chink in larger gaps or to emulate mortar.
Caulk is usually used in smaller joints and checks and around doors and windows. It has to be resistant to UV, and the best are latex based.
Silicone caulks do not work. They break down and fail. Log home caulks have the elasticity and longevity that the other style caulking products lack. We are trained how to prepare for and install the correct caulk or chink on your log home.
Some homes have or require a caulk, some use chink in between the log courses - some on the exterior only, some on both interior and exterior.
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