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“ Are door silencers required for fire rated steel doors? ”

Resolution: Intumescent seals or gaskets are not required on fire rated steel doors. Generally speaking, the requirement for intumescent seals or gaskets are a function of the individual manufacturers’ listi...:

Are astragals required on fire doors?

Resolution: Astragals are required on: 3 hour fire rated pairs: Double doors - swinging in the same direction Double Egress - swinging in opposite directions Fire rated Dutch Doors Fire rated 1 3/4" t...:

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.:

Why are frames grouted?

Resolution: Grouting frames is: A process done in the field during hollow metal frame installation The internal cavity of the frame is fill with masonry or mortar It is intended to mainly provide ...:

Are steel stiffeners required in all door constructions?

Resolution: No, steel stiffeners are not required in Hollow Metal doors, they are one of many optional core available.Per ANSI/SDI A250.8 and ANSI/HMMA 867, core construction are optional offeri...:

Is the Von Duprin 6223 fire rated for pairs of wood doors?

Resolution: The 6223-FSE electric strike is fire rated for pairs of wood doors, but check with wood door manufacturer to see if they have been approved for this application.:

Can an electric strike be used with a surface vertical rod device on a fire-rated door?

Resolution: Not for use in fire rated openings.:

Ask your question Entering your question as a complete sentence will provide more accurate results than keywords or phrases.

“ Are door silencers required for fire rated steel doors? ”

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