How Wide Is a Stair Tread?

Stair treads can be as narrow as 22.5 inches or as wide as 36 inches. Wider stair treads are typically used outdoors while narrower designs between 22.5 inches and 30 inches are more commonly used indoors.

How Wide Is a Stair Tread?

Stair treads are the horizontal parts of the stairs that you step on when you are walking up or down them. The size of a stair tread can vary significantly depending on the purpose, shape, and size of the stairs themselves. The width of a stair tread is an important factor in determining the safety of the stairs. There are various guidelines in place for how wide a stair tread should be for safety reasons, and it’s important to adhere to them when determining the width of a stair tread.

When it comes to the width of a stair tread, the International Building Code (IBC) requires that stair treads must be at least 10 inches wide. This measurement applies to all types of stairs, including interior and exterior stairs, as well as stairs in commercial and residential buildings. Stair treads that are less than 10 inches wide can pose a serious safety risk, as they may not provide enough stability for a person’s feet to stand on. It’s also important to remember that the width of the stair tread should be measured from the inner edge of the riser to the outer edge of the tread.

In addition to the IBC requirement, the Americans with Disabilities Act also has guidelines for the width of