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auto door bottom without threshold
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Question
Answer
Can an auto operator be installed on a Dutch door?
Resolution:
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...:
Can automatic door bottoms be installed in standard Steelcraft doors?
Resolution:
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).:
What is a Cam Lift Hinge?
Resolution:
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...:
What is the purpose of the magnet inside some of the Zero automatic door bottoms (ADB)?
Resolution:
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...:
Are the 321 and 323 automatic door bottoms handed?
Resolution:
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 automatic door bottoms (ADB) require Z49 end caps in order to use the optional “Pull Out” feature?
Resolution:
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...:
Can an electric strike be used with a surface vertical rod device on a fire-rated door?
Resolution:
Not for use in fire rated openings.:
Are top caps, bottom caps and/or astragals finish stained when factory attached on Graintech door?
Resolution:
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...:
What are Pneumatic Automatic Operators?
Resolution:
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...:
What is the minimum dimension from the edge of the door to a glass light cutout?
Resolution:
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...:
Where do I install my Auxiliary Fire Latch (AFL) in a Less Bottom Rod, Fire Rated (LBR-F) exit device?
Resolution:
Installation should be 6" from bottom of the door. See attached templates as reference. T-5494 for HM Doors W-5494 for Wood Doors:
Can you have Less Bottom Rod (LBR) on a 98/9947WDC?
Resolution:
This option 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...:
Why does the auto operator not open the door when installed with a Chexit?
Resolution:
Chexits are NOT electric latch retraction devices, therefore the latch will not retract and allow the opener to swing the door open. Chexits block and unblock the latch. In order for a Ch...:
Can a Senior Swing 2850 or 2860 be used on a Double Egress (DE) door?
Resolution:
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...:
What is the maximum size for a Dutch Door?
Resolution:
Maximum Dutch Door sizes are:Non Labeled = 4'0" wide X 8'0" HighLabeled = 4'0" wide X 7'2" HighSpecial sized Dutch Doors are available:Special size top and/or bottom leaves are available.When order...:
What are the minimum stile and rail dimensions for the L-Series door FG, FG2 & FG3?
Resolution:
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...:
How close can the top hinge be to the top of the door?
Resolution:
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...:
What causes the top rod case to pull away from or strip out of the face of a steel door?
Resolution:
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...:
When are Panic Devices required?
Resolution:
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...: