RSNE fabricates our standard structures using a premium engineered wall/ceiling system. Our panels contain 4” of polyisocyanurate foam and are faced with Aluminum Zinc pre-painted, textured 26 Ga steel. They meet or exceed both specific building envelope performance criteria (NSF/ ANSI 7-2016) as well as the 2007 EISA energy efficiency requirements in accordance with UL, ULC, FM, and ASTM standards.