Founded in 2017, FISO Door manufactures hollow metal doors and frames in Westminster, Maryland, with a particular focus on customized openings for modular enclosures, data centers and critical infrastructure. Its 50,000-square-foot facility combines manufacturing, warehousing and offices, while its U.S. powder-coated finish—offered as a standard feature—sets its hollow metal doors apart from products that require field painting. FISO also draws on a global team of more than 100 door specialists and more than 30 years of experience in Asian and European door markets.
UL Listed
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NFPA 80
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NFPA 252
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UL 10B
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UL 10C
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ASTM A653/A653M
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ANSI 250.4
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ANSI 250.8
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ASTM E1886
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ASTM E1996
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ASTM E330
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ASTM E331
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Florida Building Code FL-46579.1
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ASTM A240/A240M
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ASTM A480/A480M
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NAAMM/HMMA 866
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SDI 100
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