A. I used to have similar leaks until I installed baffle vents and a plywood subfloor. After installing the plywood, any snow that blew in landed on the floor, melted, and eventually evaporated.

Rob Robillard is a general contractor, carpenter, and editor of AConcordCarpenter.com. Q. I’m hoping you can help me with a problem I’m having in my attic. My condo is only two years old, but there is ...