Understanding Bleachers

Sag. Repair. Repeat.

Why do bleachers break? And why do they keep on breaking, even after repairs? More . . .

• “Band-Aid” repairs don’t fix the problem that causes the sagging. Sagging returns after repeated repairs.

• Weak standards (that describe the absolute minimum requirements for bleachers) keep the old flawed design going.

• Many telescopic bleacher systems are “cheap to buy, but expensive to own.” What’s the long-term cost of bleachers?

Read the answer to these and many other questions here.


Century Design System

The Century Design® System is a long-term solution, because when it is retrofitted to existing bleachers they will last “for 100 years.”

2 Horse vs 4 Horse

“Horses” refers to the assembly of vertical support columns and other pieces that operate as unit when the bleachers are opened or closed. The horses lock into position when the bleachers are fully opened to provide support for spectators. Learn more here.

Why Bleachers Sag

Telescopic bleacher systems will sag after students climb on them, or of their own weight. That’s because downward force in the closed or partially open positions is likely to bend and damage the understructure, causing the bleachers to sag.

See exactly what causes sagging in this video:

Tips for maintaining your floor and bleachers

  • Broom clean floor prior to operating the bleachers
  • remove debris beneath bleachers prior to opening or closing the bleachers
  • Inspect and service your telescopic bleachers twice each year
  • Biennially inspection by qualified service personnel, familiar with your bleacher system
  • Want a training video for your maintenance personnel?

Contact the Bleacherman.

Bleacher Basics

All telescopic bleacher systems work pretty much the same way and use the same kind of mechanism for the retractable structure. While some details of construction may vary from one manufacturer to the next, the basic underlying design has not changed much in the last 70 years.

It should be no surprise that if they all work the same way, they all break down the same way. It’s true. The number #1 cause of operational problems in telescopic bleacher systems is SAGGING.


Bleachers sagging at the end.


Plastic seats show sagging.

Note the uneven rows and gaps.

Bleachers that SAG won’t operate properly -- they won’t open and close like they’re supposed to.

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