Fire-Rated Steel Doors for Commercial and Industrial Use Uniteddoors is an authorized Warnock Hersey / Intertek (WHI) fire-labeled facility, allowing us to modify, re-certify, and apply labels to fire-rated doors and frames. We are also UL-certified to cut, re-certify, and label fire-rated glazing materials. Our facility is subject to regular inspections to ensure all modifications comply with Intertek and UL listing requirements. All products are tested in accordance with applicable NFPA codes and standards. Product Features Fire ratings available up to 3 hours, with WHI/ITS mylar label applied 1-3/4” thick, non-handed construction with reversible hinge plates Interlocking seam design for increased strength and durability Factory-applied rust-inhibiting primer (standard finish only) Fire-rated glazing options available for vision lites

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Heavy-duty steel double doors for commercial, industrial, and institutional use Our stock hollow metal doors provide a cost-effective, non-handed, square-edge solution designed to deliver high-quality, full-flush steel performance. These doors are engineered to meet demanding requirements for durability, security, aesthetics, and fire protection across a wide range of applications. Features: 1-3/4” thick, non-handed construction with reversible hinge plates Inverted top and bottom channels for added strength, stability, and protection Interlocking seam for enhanced structural rigidity and long-lasting durability Compatible with a wide selection of glass lites, louvers, and hardware preparations Factory-applied rust-inhibiting primer (standard finish; no custom colors available) Optional fire-rated models available up to 3 hours, supplied with WHI/ITS mylar labeling

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