Hinge type on tested door for level 1, 2, 3, & 6 is a standard mortise butt hinge. Hinge type on tested door for level 4, 5, 7 & 8 is a Continuous Heavy Duty Hinge, prepared on door only, field drilling and tapping on frame by others.
KSP's Bullet Resistant Doors are available with up to 3 hour U/L label. We also offer positive pressure tests in accordance with Standards: U/L 10C and UBC 7-2 and 7-4. (Standard testing restrictions apply)
If you have questions please call us toll free at 1-800-251-3396