Why use aluminum frames on bleachers?
• Aluminum frames are requested on a variety of bleachers in lieu of galvanized steel. Aluminum frames can be beneficial for small units (70 seats or less) which will be moved from location to location frequently. The light weight of aluminum makes this easier. However, for bleachers which will not be moved galvanized steel frames make more sense. On any permanent grandstand, all structural members are galvanized steel. If steel is the choice of metal on the larger projects, why not on bleachers? Today, many bleachers are anchored to concrete slab are not going to be moved, so the light weights of aluminum offers no benefit. Steel is also a stronger metal and will handle the usages over time better than aluminum. Sturdisteel recommends galvanized steel on all bleacher products.
