111 d recommended door frame and hardware schedule for standard steel doors and frames.
Fire door frame cross section.
Door frames should be purchased from the door manufacture or from a company licensed to manufacture them or via a bwf approved fire door centre.
The steel door institute produces quality and performance standards for steel doors and frames.
Homestead interior doors offers a large selection methods by which your doors can be constructed.
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Architectural specifications are to be consulted to determine the appropriate sealant material to be used at fire door or smoke control frames.
The practice of knocking up a door frame on site or in a workshop hanging a door and believing that the result constituted a valid fire door installation was never correct.
Find steel door detail drawings for standard profiles knock down door frames and more and models for single steel doors pair steel doors and more.
And as the door and hardware industry evolves our standards are updated to reflect current best practices.