Profile: U.S.F. Fabrication is a Bicycle Repair and Welding Company. Our product line includes aluminum floor access doors, steel floor access doors, fall-through prevention products and pump station accessories. We offer metal grating and custom metal fabrication services. Our accessories line includes hoists, ladders, cable holders, guide rail brackets, anchor bolts and access door parts. Our access door parts include springs, hinges, cylinder locks, slamlock key, slamlock and slamlock plug.