Some log homes are designed to be chinked, for others it becomes necessary over time as the logs move/shrink, and draftiness becomes an issue.
Still – other homes were chinked with mortar-based chinking and getting rid of this type of chink is the reason for “re-chinking”.
Whatever reason, modern chinking is extremely durable, very adhesive and really sharpens up the look of a log home. It comes in a variety of colors and it can be stained to blend in better with the logs.
Here are some links and photos that will help you start “thinking about chinking”:
Two companies that sell chinking: