Tested to Department of State Standard SD-STD-01.01 Rev. G (Amended) and UL 752 Level 8, Harden Maximum Security Louvers offer the utmost in DOS certified ballistic and forced-entry resistance while providing essential ventilation for mechanical equipment used to support building operations. Certified to withstand a simulated “mob” attack for 60 minutes and 5.56 M193, 5.56 M855 and 7.62 M80 ballistic rounds, these louvers are designed to provide the ultimate in protection. Insect screening to impede pest infiltration is provided as standard. The modular structural steel construction lends to conjoining single units together to form large louver walls without sacrificing the security rating. Small sizes are available for ductwork applications. Available in over 200 colors and with stainless steel or aluminum trim, they are also capable of meeting architectural design requirements. Fabricated as a complete system, typical construction includes a structural steel louver frame, louver panel insert, ballistic protection bars, trim or cladding and a plate or tube-type sub-frame.
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