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Is an astragal required for the LM9200 to meet fire rating on double egress doors?

The LM9200 is approved for use on fire rated double egress hollow metal doors provided that an astragal installed. The LM9200 is rated at 90 minutes for both 1-point and 2-point locking.

The LM9200 is not approved for fire rated double egress wood doors. 

The LM9200 is approved for fire rated single egress wood doors. The LM9200 is ratred at 60 minutes for 2-point locking and 20 minutes for 1-point locking on a fire rated single wood door.


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