Angle frame bleachers must sit on a flat level surface such as a concrete slab or asphalt pad. Bleachers can also be installed on gravel or stone dust or even directly on soil provided the area is level. It is recommended that if installing on any of these type of services wouldn't ground sills be used generally six-inch by 2 inch Southern yellow Pine can be used as a ground still under each angle frame.
Grandstands are designed with vertical pylons that require individual concrete footers for each pylon. Grandstands are typically used where the topography is rolling or uneven. Bleachers normally have no more than 20 rows per set where grandstands can have many more rows.
Basketball-Goals.com sells only angle frame bleachers. If your project is for an area with rolling hills are uneven topography then we recommend you look into using a grandstand. One such company you can Google is GT grandstands they should be able to help you out with your project. If you do need bleachers however we urge you to take a look at our offering of one of the largest collections of bleachers anywhere at the lowest prices, just click here.
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