Typical insulation in commercial and residential building over the past 60 years or so has been insulation placed in the wall between studs or in interior cavities. However, studies are now showing that the best insulation strategy is to place it outbound or outside the wall. This design offers a continuous blanket of protection that does not allow energy to be lost at wall and studs joints where interior insulation does not exist. Currently continuous insulation of the building enclosure is considered to be the best insulation strategy. Continuous Insulation is defined by ASHRAE 90.1-2004 as “insulation that is continuous…