Log Home Maintenance — when to use mortar chinking?

Up until the early 1980’s many log cabins had mortar chinking installed. Today, the majority of chink used is made of a synthetic mixture. Mortar chink is great for hobby projects or those looking to build traditional log cabins. But, in most cases you will want to use synthetic chinking to ensure that your log home lasts. What are the difference and which is best for you?