United States Aluminum of Waxahachie, Texas, has announced its BR604 and BR606
blast-resistant 2 ½- by 5-inch storefront systems have been engineered
and successfully tested to withstand explosions from pressure levels of one pound
to six pounds per square inch.
According to information from the company, these systems feature the patented
Storm Front entrance as well as screw spline assembly for panel-type erection.
They also accept 1 5/16-inch insulating, laminated glass.