In a message dated 12/9/2007 12:36:41 P.M. Eastern Standard Time, [log in to unmask] writes:a large 1600's house,OK, now I'm interested here. What have you people found when you tear apart a pre-oil house? Just open space between the studs and lath/plaster? No weatherproofing/insulation/Jefferfonian foam/anything? Not very resourceful of our pioneer ancestors.