Lengthened structural life, plus climate control
With the airform inflated, polyurethane foam insulation is applied inside, forming a layer two to three inches thick. This layer acts as a continuous and uninterrupted thermal barrier between the exterior and interior of the dome, an important element to keeping temperatures consistent within the structure, and is added until the structure meets necessary R values.
Insulation on commercial domes is thicker than in its bulk-storage counterparts to ensure energy efficiency and less temperature fluctuations inside. Better insulation equals utility savings and comfortable conditions for employee offices, customers, or visitors.
Polyurethane foam is applied to the air-supported PVC airform. Reinforcing and concrete are then placed against the foam insulation. Upon completion of construction, the foam acts as a thermal insulator, protecting both the concrete dome structure and providing a more consistent interior climate.