Stadium bleachers were originally made out of wood and non-durable materials. Due to their high maintenance costs and weak durability, wooden bleachers were slowly phased out in favor of metal bleachers.
Today, most bleachers are made of aluminum. Aluminum’s strong resistance, light weight and non-conductive properties (which protects spectators from getting shocked), make it an ideal material.
The aluminum used to make stadium bleachers comes in many shapes and sizes. Benches, for example, are made with either Aluminum Flat Sheet or Plate. Bleacher steps are often made with Aluminum Tread Plate to prevent slipping during rainy or snowy weather. Hand rails and other support structures are often made with Aluminum Tube.
Small, portable bleachers are often made of aluminum because the material’s light weight allows for easy transportation. Permanent bleacher structures, however, are usually made with Galvanized steel. Galvanized steel has increased resistance against rust and corrosion due to its zinc coating. The strength and resistance of this metal minimizes maintenance costs of Galvanized bleachers, and makes it top choice for bigger projects.
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