Chinking is an elastic sealant material that has a coarse surface which is designed to look like old-fashioned mortar and is typically used on larger log home joints. Chinking can be used for aesthetic purposes or it can be used to keep the elements on the outside of your log home. It is best to apply a stain that is compatible with the chinking first because it will act as a primer for the chinking and will normally improve the overall adhesion of the log home chinking material. Additionally, it makes the clean up process for the chinking material much easier. Finally, if your log home chinking is properly installed, there should be very little if any maintenance work.