Our 5 row 21′ aluminum transportable spectator bleachers are high quality, light-weight, and transportable. Standard features include; an aluminum angle understructure with an 8″ rise & a 24″ run, double 2×10 footboards, risers, 2×10 clear anodized seat planks, vertical aisle, and chainlink guardrail system. Custom transport option adds transport wheels to these units allowing you to easily move your seating as you need quickly and easily. Units are not designed for over-the road use. Bleachers are designed in accordance with the IBC 2009, and ICC 300-2007 building codes.