The map below shows the climate zones in the United States, with zone 1 the warmest. Minnesota is in zone 7, the coldest climate zone in the lower 48 states. Properties constructed in that area have an approximate foundation depth of 40” (with basement foundations) and 2” x 6” framing for all exterior walls. Georgia on the other hand, is in zone 2. Properties there have an approximate foundation depth of 8” (with slab on grade foundations).

Click here to see the earthquake zones across the United States

Click here to see the wind load zones across the United States