Krieger offers a full range of custom finish options for doors and windows—all perfectly matched to complement the unique performance and aesthetic needs of your project. Learn More
The special requirements of special purpose doors and windows may need a custom engineered model to meet your performance demands. With Krieger's years of experience and knowledge, our engineering department can create a product to meet your specifications.
Hinge type on tested door for UL level 1, 2, 3, and 6 is a standard mortise butt hinge. Hinge type on tested door for UL level 4, 5, 7, 8 and 9 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 UL label. We also offer positive pressure tests in accordance with Standards: UL 10C and UBC 7-2 and 7-4. (Standard testing restrictions apply)