Outdoor stair treads are likely to face much harsher conditions than those faced by indoor stair treads. Based on the environment they are installed in, building operators need to take note of the risk factors they may face before construction.

To learn more about stair treads for outdoor use, check out the links below:
http://www.amstep.com/outdoor-stair-treads.html
http://www.amstep.com/non-slip-stair-treads.html