What gauge level are metal doors

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At this time, Allegion does not supply products with bullet resistant ratings.   Bullet resistant (BR) doors are designed to protect people and property from firearms’ bullets and shrapnel. ...
Levels and Models (covered in ANSI A250.8 (SDI 100) "Recommended Specifications for Standard Steel Doors and Frames") are SDI term aid in the selection and specification pr...
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.
DISCONTINUED: The Falcon T lock had a reinforcement kit for a 1 3/4" thick hollow metal door that prevents lateral movement of the latch. It is a piece of hard foam shaped like a doughnut...
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 ...
Thermal Bow is a temporary condition which occurs in metal doors mainly due to the temperature differential from one side of the door to the other. This may occur in exterior doors when direct sun ...