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“
FIRE RATED MULLIONS
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RELATED FAQS
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 mullions are Hurricane Rated?
Resolution:
The HH9954 is the only Von Duprin hurricane impact-rated mullion. Hurricane ratings vary by location and application. Be sure to check with the local authority and/or the Regional Allegio...:
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...:
What mullions should be used with XP devices?
Resolution:
The Von Duprin XP98/99 device uses a different strike than standard 98/99 device. The 909 strike is for non fire rated XP devices and the 954 strike is for the fire rated XP device. 49/9954 mul...:
Which strike do you use with an XP98/99 device?
Resolution:
The 1609 strike cannot be used with Von Duprin XP98/99 exit device.: