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The stair treads can also be ordered with a matching 3' x 5' or other size landing mat. For stair treads ranging anywhere from 24 inches wide to 36 inches wideor other custom sizes, turn to Dean Flooring Company.
1009.3 Stair treads and risers. Stair riser heights shall be 7 inches maximum and 4 inches minimum. Stair tread depth shall be 11 inches minimum. The riser height shall be measured vertically between the leading edges of adjacent treads.The greatest riser height within any flight of stairs shall not exceed the smallest by more than 3/8 inch.tair riser heights shall be 7 inches maximum and 4 inches minimum. Stair tread depth shall be 11 inches minimum. The riser height shall be measured vertically between the leading edges of adjacent treads.