What is standard undersizing for steelcraft doors

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1 3/4" is the standard door thickness. Steelcraft only makes a nominal 1 3/4" thick door. A 1 3/8" was made for light duty commercial applications but that product was discontinued in 1999.
The backset is 2 3/4" from edge of door to the center line of the device and strike. The preparation for the WS98/99 strike must be specified when placing order for the frame.
The GCS (Glass Cutting Size) is determined by adding 1 1/4" to EGS (Exposed Glass Size) to both the height and width dimensions. Ex: EGS = 20" w. x 30" h. GCS = 21 1/4" wide x 31 1/4" high St...
Steelcraft offer a limited warranty to customers that products will be free from defects in the material and workmanship for a period of 12 months from date of shipment of products.Warranty St...
Job Specific Warranty - If job specific warranty letters or certificates are required, please refer to the Allegion Contact Us web page and request the applicable information.NOTES:F...
Steelcraft follows the industry standards for hinge reinforcement and preparation for both door and frame. Unless otherwise specified all products prepared for butt hinges will have mounting holes ...
SDI 114 is no longer published as an SDI performance standard. The new SDI standard for acoustical Performance is SDI 128-09 Steelcraft does offer products that have been tested in accordance wit...
EPT installation guidelines are as follows: Recommended location is 6" below top hinge per template Steelcraft will locate the power transfer prep at the Von Duprin recommended template locati...
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).
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...