FAQ

What are the minimum and maximum inside diameter opening sizes that will accommodate the standard
sized Grisham security doors within the 300, 400, and 500 series doors? As noted below.
300, 400, and 500 Series Grisham Security Doors fit the following Opening Sizes:
Door Size: Width Height
30 in. x 80 in. 29 ¾” to 30 ½” 79 ¾” to 80 ¾”
32 in. x 80 in. 31 ¾ “to 32 ½” 79 ¾” to 80 ¾”
34 in. x 80 in. 33 ¾” to 34 ½” 79 ¾” to 80 ¾”
36 in. x 80 in. 35 ¾” to 36 ½” 79 ¾” to 80 ¾”
100 Series Grisham Security Doors with self-storing glass feature fit the following Opening Sizes:
Door Size: Width Height
30 in. x 80 in. 29 ¾” to 30 ½” 79 ¾” to 80 7/8”
32 in. x 80 in. 31 ¾ “to 32 ½” 79 ¾” to 80 7/8”
34 in. x 80 in. 33 ¾” to 34 ½” 79 ¾” to 80 7/8”
36 in. x 80 in. 35 ¾” to 36 ½” 79 ¾” to 80 7/8”