We have a western red cedar log home, purchased 1/01; home built 1987-1988. Supposedly has never been stained only power washed in 2000. We are in the process of cleaning with a product that has sodium hydroxide and bleach and power washing. (Should have contacted you first, sorry.) We need to caulk (d-shaped logs) as we are getting some water on the inside. We think we want to caulk all the joints. Some joints & knots have had clear silicone applied. We are trying to get that out, as it i