The Bug Blocker® Expanded Metal Overhead Loading Dock Door provides serious security for loading docks. Tough Expanded Metal keeps out unwanted persons, birds, pests and rodents while providing accessibility for employees. This new product helps comply with AIB, ASI, FSIS, USDA, IPM, SQF 1000 and Homeland Security programs. The doors are easy to clean with pressurized air or water. The stainless steel mesh meets federal specifications STD- A- A- 1037B. The product retrofits to your existing door. And can be custom made to your specifications.