Price is per square foot. Bullet and Blast Resistant Curtains. Constructed with Honeywell SpectraShield and hand-made to order in our Texas production facility, Armor Upfitters now offers the world's only commercially available bulletproof curtains designed for the home, office, schools, and houses of worship. These exceptionally lightweight curtains can be built to any threat level from small handguns to large caliber rifles. These are custom, made-to-order items with a fast turnaround and delivery times.