Need a custom base flange frame and drain cover to fit your manhole specifications? Look no further. Our base flange frame and drain covers are made to order, with a 3/8″ thick ASTM-A36 carbon steel diamond plate cover with 3/8″ thick gusset reinforcements welded underneath for extra stability. Each drain slot measures ½” wide.
Our base flange frame drain covers feature a nonskid surface and are rated for H-20 wheel loading under 25 mph. The heavy-duty steel frame of our base flange drain grates are all welded construction with ½” anchor holes.
Each of our custom base flange frame drain covers is made here in the USA. For answers to any questions or to request a custom quote, please contact us today.