How to Install Rigid Foam Insulation Outside a House

Excerpted from a full page article on installing exterior foam insulation at: www.greenbuildingadvisor.com GET THESE FIVE TRICKY SPOTS RIGHT, AND YOU'LL GET A SUPERINSULATED, ENERGY-EFFICIENT HOME An experienced builder explains the ins and outs of airtight exterior insulation Installing rigid foam on the outside of a house is a great way to double the R-value and eliminate air leaks. Large sheets of foam insulation, screwed and sealed to the walls or roof, can cover or replace conventional sheathing and create a continuous barrier to heat loss or gain—something you don't get with cavity insulation alone. We wrapped the house in this video with 4 inches of polyisocyanurate in two staggered 2-inch layers... For more information read the full page article at: www.greenbuildingadvisor.com