auto door bottom without threshold

RELATED FAQS

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Yes, an automatic operator can be installed on a Dutch door. The operator must be installed on the top leaf of the Dutch door. Only the top half will open unless the top and bottom leaves (se...
Standard Doors: standard inverted bottom channels will accept the following manufactures automatic door bottoms: National Guard (320) Pemko (420) Zero International (355/354)
Special (custom) option: a special/optional end channel that will support the following manufactures: National Guard (422/423/522) Pemko (443) Zero International (360/364).
 Cam Lift Hinges are specially designed hinges used mainly on acoustical door assemblies. The Cam Lift Hinge lifts the door during its travel and seats the door bottom for a pos...
The magnet assists with the door bottom staying in the "up" position.  It takes a load off the mechanical components.  It is only included on certain door bottoms (367, 368, 369) that are...
Yes, these models have extension pieces on them such that you cannot just flip the complete unit over for different door handings.  Since the brass adjusting nut must always be on the hinge si...
Do auto door bottoms require Z49 end caps in order to use the optional “Pull Out” feature? No, the Z49 end caps don’t have anything to do with the “pull out” function.  They are a differ...
The 6111 electric strike can be used only on non rated openings less bottom rod with pullman top latch (use ES prefix when ordering device). Device back set will change to match the centerline of t...
Not for use in fire rated openings.
When factory installed on GrainTech® doors: Finish Stain - YES, top caps, bottom caps and astragals are stained (prior to attachment) to match the GrainTech® door finish. GrainTech® Steel - NO, t...
 Pneumatic Automatic Operators are used in areas where electrically operated devices are not convenient or permitted.  Consists of a modified, heavy-duty door closer for manual oper...
Minimum dimensions to cutouts for glass lights: Vertical edge of door to edge of cutout = 5 29/32" Top of door to top of cutout = 6" Bottom of door to bottom of cutout = 10" Reinforcing chann...
Installation should be 6" from bottom of the door. See attached templates as reference.  T-5494 for HM Doors W-5494 for Wood Doors
This is available. If this is a fire rated opening you must use the Auxiliary Fire Latch Kit to maintain your Fire Rating.  If not fire rated simply omit the bottom rod but be aware that your...
The Von Duprin 5547/WDC/F has never been tested with less bottom rod through UL and is only sold with both top and bottom rods.  You may choose not to install the bottom rod on non fire rated devic...
Chexit devices are NOT electric latch retraction.  In order for Chexit device to operate with an auto operator you will need to add a rim electric strike on a single door or a pair o...
The overhead concealed operators (2850/2860) will not work on a Double Egress frame because the doors are not in the same plane. You will have to use the surface mount (9553 / 9563) on Double Egres...
Maximum Dutch Door sizes are: Non Labeled = 4'0" wide X 8'0" High Labeled = 4'0" wide X 7'2" High Special sized Dutch Doors are available: Special size top and/or bottom leaves are availabl...
The minimum stile and rail dimensions are to exposed glass are: Stiles = 6 13/16" Top Rails = 6 3/4" Center Rails = 7 1/2" Bottom Rail = 10 3/4" For high traffic and high abuse locations th...
The minimum top and bottom butt hinge locations are as follows: To the hinge centerline: 4 1/2" and 5" hinges = 5 3/8" is the minimum location from top of door to centerline of the first hi...
Hardware falling off a door is caused by one or all of the following issues: Field abuse Improper internal reinforcements in the door Improper field preparation The top or bottom rod case can...
Steelcraft have tested different types of doors and frame assemblies using Zero International gasket seals for the various STC ratings. Tests are in accordance to ASTM...
Frames can be installed either KD (knock down) or welded to receive the STC rating.
Steelcraft borrowed light frames are not listed/tested. Check with the glass manufacture if they are listed and with what type of framing used.
Sound seals are required. Zero International Gasket Notes: Perimeter Seals – Zero #475 applies to the stop of the head and jambs. Door bottom – Zero #367, surface applied. Threshold ...
The use of Panic Hardware and/or Fire Exit Hardware is required by the International Building Code (IBC) and NFPA 101 – The Life Safety Code, depending on which code and which edition of the code i...