I have a 25 year old cedar log home, one story that hasn’t had the proper maintenance that these homes require over the years. The ends of the house face north and south. The south end walls cry when it rains, in spots I can see light from outside. There are large gaps between the logs on every side of the house. Never heard of chink until recently, always used caulk on the exterior. Bugs are problem to. In places there is visible log rot inside and log splitting on the outside. What’s the bes