National Guard Products Inc

Features:

• For 1-3/4" thick doors and 3/16", 1/4" or 5/16" glass
• 8 Gauge cold rolled steel
• Mitered and welded corners
• Welded reinforcing clips at corners
• Countersunk mounting screw-holes
• #8 x 1-5/8" Phillips head SMS
• Available in uneven and fractional sizes
• Gray primer (GPZ) powder coat finish
• Designed for use on 1-3/4" thick doors manufactured within door industry tolerance of +/- 1/16"
• Impact Safety-Rated: Complies with IBC requirements for use in doors. Meets ANSI Z97.1 class A and CPSC 16CFR 1201 (CAT I and II)
• 1/4” Thick clear heat treated glass
• Approximately 4 times stronger than annealed (ordinary) glass
• Breaks into small harmless fragments
• Can not be cut after manufacturing
• 11" Minimum height
• Manufactured in USA
• Not fire-rated
• STC 31 rating
• Closed cell L-GT-118 PVC foam glazing tape with adhesive both sides
• 3/8" wide x 1/8" thick

Options:

• Torx security screws
• Galvanneal - A40 steel
• Zinc electroplating
• Lead lining - 1/16" thick
• Silicone acoustical seal applied to reduce sound transmission - suffix "STC"