Jeff Haag, owner of Diversified Energy answers common questions about installing closed-cell spray polyurethane foam insulation under a raised house or building.

How many inches of closed-cell spray foam insulation do you need under your raised house or building? How does Diversified Energy ensure that they have installed the quoted amount of spray foam insulation? What about electrical wiring under your house/building when installing spray foam insulation? All these questions are answered and more.

Diversified Energy has installed closed-cell spray polyurethane foam insulation in/under hundreds of homes and commercial buildings. We have the experience and the finest foam installers in the industry to do your insulation job right, the first time.


Diversified Energy is the leader in high-performance home and commercial energy efficiency solutions. We provide multiple types of insulation installation services, diagnostic testing services, whole house & duct sealing, infrared thermography, and much more.