We have purchased this unique, hand-split, rough sewn, white pine log siding home. We are concerned about the many gaps, splits between many of the half logs that exposes the tar paper that wraps the house. Is there a caulking or chinking product that can prevent paper deterioration and accept the preservative we will coat the logs with? Should we be overly concerned about these splits, gaps that show the tar paper? Please see the pictures attached. Your recommendation is valued.

Ron & Sandra