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“
are key removable mullions fire rated
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Question
Answer
How do I order a Von Duprin mullion prepped for something other than our standard strikes?
Resolution:
To use Von Duprin mullion for something other than our standard strike, order the mullion "Blank" and prep in the field.:
Which keyed removable kit is used with a 4754, 4854, 9854, or 9954 mullion?
Resolution:
The Von Duprin 4754, 4854, 9954, and 9854 mullions can be converted or ordered with key removable option. KR54-F kit is the conversion kit to convert the above mullions to key removable mullion.:
Where is the fire label located on a fire rated mullion?
Resolution:
The UL fire label is at the bottom of the fire rated mullion. The mullion also ships with a sticker which notes the bottom of the mullion should not be cut. Cutting would remove the fir...:
Are astragals required on 3 hour rated pairs of doors?
Resolution:
All 3 hour fire rated pairs of doors do require an astragal when used without a removable hardware mullion. Pairs of doors with removable hardware mullions are treated and listed as 2 single doors...: