Thickness Of Stair Risers

Designed for interior use our tread can be stained to match other stair parts or surrounding decor.
Thickness of stair risers. The following user says thank you to greg24k for this useful post. Step riser specifications riser height 7 75 or in some codes 7 0 or in canada 8 25 maximum and 4 inches 102 mm minimum. Unfinished oak stair treads have a 1 in. This is not the case for open riser staircases.
Handrail height to be placed a minimum 34 inches to 38 inches. This should be no more than 7 3 4 inches. 7 3 4 inches maximum. A stair riser is the back vertical part of a step.
If you need a size or species you don t see listed here please contact us for a quote. Item 17656 model 7d48 oak. Unfinished the surewood lnl 48 in. In fact many professionals recommend risers with a thickness of.
Staircase riser height translates to the distance you move your foot either up or down from one step to an adjacent step. 7 5 in x 48 in unfinished red oak wood stair riser. It s also important to note that if you do build a closed riser staircase your stair treads will need to have a note as well. I never lost a cent on the jobs i didn t get.
Thick stair treads are often used in open rise staircases where there is only one supporting stringer. The surewood lnl 48 in. We can make these thicker stair treads in most species and colors. This type of staircase requires a stair tread thicker than the standard 1.
Riser and tread dimensions should be continuously uniform for safety. In a given run of stairs the greatest step height and the smallest step height should not vary more than 3 8 inch 9 5 mm. Maximum 12 3 vertical height rise for a flight of stairs. According to general specifications your stair riser thickness should be no less than.
Building codes limit variation to 3 8 10 mm the underside of risers should be sloped or have a 60 angle minimum between nosings and the horizontal surface open risers are not allowed under ada guidelines. Most stair companies use 1 1 16 industry standard tread thickness. Maximum 7 3 4 inch stair riser height. Code states that this should not be greater than 7 3 4 inches 194 mm.
Open risers with openings more then 30 inches 762 mm vertical to the floor should not permit the passage of a 4 inch diameter 102 mm sphere. Minimum 10 inch stair tread depth with nosing or minimum 11 inches with no nosing.