install hollow metal frames at concrete opening

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Steelcraft locates all butt hinges from the top of the door to the centerline of each hinge as standard practice: Locating hinges to the center line of the hinge keeps all hinge locations the sa...
To mount the 6030 series closer in a hollow metal frame, the frame has to be a "cased open" frame (meaning no stops formed in the frame) because the 6030 series closer is a double acting closer, wh...
Communicating Frames are hollow metal frame fabricated such that a door is installed in each rabbet of a double rabbeted frame (2 doors total) to facilitate dual access and control of the opening, ...
Purpose: When there is concern for the weight of overhead wall construction, or, when multiple surface applied hardware components are being used. This continuous channel has the ability to spre...
As of February 2016, ND locks began shipping with a new latchbolt. The new latchbolt offers substantially improved performance in adverse door conditions (ex, with heavy door loading) andis more ro...
Prior to February 2016, using ND-Series locks on hollow metal doors required the use of latch spacers which prevent the latch from "fishtailing" (back end of latch moving from side to side). Latch ...
Industry standards for hollow metal frames installation tolerances have been developed by both the SDI (Steel Door Institute) and HMMA (Hollow Metal Manufacturers). Both standards are based on the ...
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...
Steelcraft frames and doors are furnished with a high grade, low gloss, baked-on prime paint that provides the best possible protection against corrosion, abrasion and weather, and is an excellent ...