Selling points for better air sealing and continuous insulation include increased comfort and long-term durability with a decrease in operating costs from heating and cooling
Simply put, the primary function of the building envelope is to act as the boundary between the interior and exterior. It must protect the interior from the outside elements, be durable and provide efficient comfort
More stringent building codes, advances in building science and building owners’ desire for more comfortable environments are driving increased interest in the role of continuous insulation
Air within the envelope of a building is subject to air infiltration, exfiltration and the three modes of heat transfer: conduction, convection and radiation
The building’s problem was a lack of insulation. There was virtually no insulation on the exterior concrete walls or the roof deck, so heat and air were escaping