2" 3 Hour Vertical Mount Fire Door 2561-36X32 T-Bar RS52 Series Engineering/Performance Data

RS52 Series Engineering/Performance Data

One piece stamped steel frame on most common sizes

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For damper free area chart A click here * 2563 - Out-of-Airstream fire door

2" 3 Hour Vertical Mount Fire Door 2561-36X32 T-Bar RS52 Series Engineering/Performance Datah3. Standard Features * 2561 Square or rectangular fire door for vertical mount only. Maximum dimension 48w, 49h. For damper free area chart A click here * 2563 Out of Airstream fire door. Square or rectangular for vertical mount only. Maximum dimension 48w, 41h. For damper free area chart B click here * 2565 Round fire door for vertical mount only. Available 4" thru 40" round. * UL and California State Fire Marshall approved * 2" thinline frame *