Insulsteel Building Enclosures offers the EcoShell™, which is an innovative building enclosure system that withstands hurricane winds up to 200 MPH, provides thermal insulation values equivalent to R-40 – R-58 (4-times greater than traditional wood framing) and can meet commercial requirements for a two-hour rated firewall. Additionally, Amerisips Homes, our luxury single-family residential construction division, builds 2,000 – 3,000 sq. ft. homes with electric bills as little as $150 to $300 annually. The EPA awarded Amerisips the incomparable Indoor “airPLUS” air quality certification. No other U.S. building material system is known to meet Insulsteel’s high-quality, low-cost performance standards.