Highly Specialized Experience
Koch Corporation can provide the highly specialized experience needed to install blast and impact windows in any high-risk application, including federal or state governmental and military installations or environmentally threatened buildings. Koch’s extensive experience in both the areas of historical window and security window replacement make us the expert when blast or impact issues threaten a building envelope.
Kingston Armory , Kingston, NY
Kingston Armory Before Images
Kingston Armory During Images
Kingston Armory After Images
The RAY Federal Building, St. Louis, MO.
This is the RAY Federal Building in St. Louis, MO. Koch installed blast and impact windows during the renovation.
Hato Rey Federal Complex, San Juan, Puerto Rico
Koch’s vast experience was utilized as they matched the existing historically significant elements with their installation of these blast and hurricane resistant windows. Windows made by Wausau Window Company. For more information on this project see our Hato Rey Project page or our Press Release for this project.













