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“ intumescent seals on hollow metal 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...:

Is a 20 minute label door a real fire door?

Resolution: The 20 minute Fire Rating is a valid label and are commonly referred to as "Smoke and Draft control door assemblies". Depending on the local fire code and the openings's applica...:

Can wood doors be used with with double egress frames?

Resolution: Yes, wood doors can be used and installed in most hollow metal frame applications including FE-Series and DE-Series Double Egress frames. Caution - For fire rated applications the wood door manufa...:

What is thermal bow?

Resolution: Thermal Bow is a temporary condition which occurs in metal doors mainly due to the temperature differential from one side of the door to the other. This may occur in exterior doors when direct sun ...:

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“ intumescent seals on hollow metal doors ”

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