View our current listings of Phius-certified windows and doors with the link below:
Phius Certified Product number: P-261001
Last certified: June 2026
Valid through: June 2031
Manufacturer description: "Guardian Shield Panels are a high-performance engineered thermal envelope panel system that utilizes cold formed steel as the structural members which are embedded in energy efficient Expanded Polystyrene (EPS)."
Phius Certified Product number: P-261002
Last certified: June 2026
Valid through: June 2031
Manufacturer description: "The Dextall light gauge metal-framed modular building component system features fully-integrated, factory-installed window and cladding components, including non-combustible core insulation. It is a simple and versatile product that delivers high-performance façades that are both water- and airtight."