Are Door silencers required on steel doors?

RELATED FAQS

Question
Answer
Mute, Bumber, Rubber Bumper
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...
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 o...