Cross Aluminum Products

The FL-400 in its inception, was fundamental in our belief to provide the end user with the best commercial doors on the market. This unique flush plank door, created over forty years ago, would one day pass category 1 blast tests undamaged. These doors were created with an aluminum extrusion interlock every four inches. Aluminum extrusions have 4 times the yield and tensile strength of aluminum sheets allowing these doors to be built in custom sizes. In fact, these doors have been built up to 20' tall in some of the most grueling environments in the world.