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DHi - AfterGlow

DHi-AfterGlow is one of the largest producers and installers of photoluminescent emergency egress marking, photoluminescent exit signs, and custom photoluminescent products in the U.S. Its exit sign products and emergency egress solutions have been installed within major commercial and government buildings, inclusive of the Pentagon, which represents the largest single U.S. building installation. DHi- AfterGlow has complete building assessment and installation capabilities. DHi- AfterGlow is a member of the Green Buildings Council and is ISO certified. The DHi-AfterGlow photoluminescent products can also contribute to earning LEEDS credits. To obtain a Reference Guide which can assist you in understanding how to apply our photoluminescent technology products to meet current IBC and other codes, please visit our website:


9105 B Owens Drive
Manassas Park, VA 60012
Phone: 703-334-2858




Energy Management
Energy free photoluminescent exit signs