Plot: After catching the famous Mallory Square sunset the evening before, the This Old House team gets to work, first checking in with general contractor Roger Townsend to see the jobsite's progress while our master carpenter visits the local lumberyard to look at some of the building materials Key Westers use to beat the elements and stay true to local architectural traditions. Homeowner/architect Michael Miller takes us on a tour of one of his projects, and old Conch cottage converted into a library and guest room