I received a call from a regular reader this week, asking how to replace a rotten window sill. I said, “I’m not sure if I can articulate the detail involved in a written article.” I told him I would ...

Question: On the exterior of my 35-year-old home, where one window sill trim meets the other, there is a gap of about half and inch. The sills remain parallel (at right angles) to each other. Both ...