hollow metal double acting door

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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...
Overhead Concealed door closers are used to provide a more aesthetic look to the opening.  Concealed in either the frame or the door Offer the ability to be adjusted to maintain control o...
The LCN 6030 is a Double Acting (or dual action) closer. Requires a "Cased Open Frame" - that means no stops formed in the frame.
Double Acting Closer, HMF, Hollow Metal Frame
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 ...