The head is the horizontal top member of a knock-down hollow metal door frame, spanning between the two jambs above the door opening. It carries the same profile as the jambs so that the stop, rabbet and soffit run continuously around the opening once the frame is assembled.

Knock-down steel frames ship as separate head and jamb pieces that are mitered or notched at the corners and joined on site, which makes individual replacement members useful for repairs, retrofits and making up odd openings. The head is set first, tied to the jambs, then plumbed and squared before the wall is closed up or the frame is grouted.

The 3-7/8 in. dimension is the throat depth of the profile, sized to sit over a wall assembly of matching thickness, and the 36 in. dimension corresponds to a standard single-door opening width.

Key Features

• Horizontal head member for a hollow metal door frame, matching the jamb profile
• Formed steel construction for a rigid opening that resists racking in service
• Integral door stop and rabbet continue the frame profile across the top of the opening
• Throat depth of 3-7/8 in. suits a wall assembly of corresponding thickness
• Sized for a standard single-door opening width
• Assembles with matching jambs as part of a knock-down frame, so it can be handled and set by one or two workers
• Supplied as an individual piece for replacement or for making up a frame on site

Applications

• Assembling knock-down hollow metal door frames in new construction
• Replacing a damaged head member on an existing steel frame
• Door openings in steel stud and gypsum board partitions
• Openings in masonry or CMU walls where a grouted steel frame is used
• Commercial corridor, stair, storage and utility room door openings
• Tenant fit-out and renovation work where existing openings are reframed

Product Details

• Type: Metal door frame head
• Material: Formed steel
• Frame Style: Knock-down hollow metal frame component
• Opening Width: 36 in.
• Throat Depth: 3-7/8 in.
• Sold As: Each

Specifications

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