Jeff Haag, the owner of Diversified Energy, discusses installing closed-cell spray polyurethane foam insulation in the subfloor of your raised house or building.

Can moisture wick through your floor joists into your conditioned space? Do I need to completely coat my floor joists with spray foam insulation? Jeff discusses these topics and more in our latest video.

Diversified Energy has installed open and closed-cell spray polyurethane foam insulation in hundreds of homes and commercial buildings. You can count on our experience and sound advice to help you make the right insulation decisions for your home or business.


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.