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Answer
What are Hold Open Closers & Magnets?
Hold Open Closers & Magnets (Fire/Life safety products) provide a wide range of solutions.  Single or multi-point hold open closers Utilize an electromechanical closer. Hold the door o...
Can louvers be installed in fire rated transom frames?
NO - Louvers are not approved for installation in a fire rated transom / side panel frames.  NFPA Pamphlet 80 - paragraph # 6.3.4.4 states “Louvers shall not be installed in either transom or s...
What is the maximum door size for UL fire rated doors?
Maximum UL Fire Rated door sizes are as follows: A-Series: 4' 0" X 8' 0" single door 8' 0" X 8' 0” double door or pairs B-Series 4' 0" X 10' 0" single door 8' 0" X 10' 0” double doo...
What grade is the AL lock?
The AL lock is a Grade 2 lock ANSI/BHMA Certified A156.2-2003, Series 4000, Grade 2, UL Listed for 3-hour fire door.
Can the 9949 CVC be used on fire rated wood doors?
There are several door manufacturers that have achieved a 90 minute UL Fire listing as shown. Von Duprin CVC with Marshfield Wood Door: Von Duprin is pleased to announce that Marshfield has s...
What grade is the B250 and is this product UL listed?
The B250 is Grade 2 but has no UL listing due to the holdback rose.