Thickness Of Stair Risers

This should be no more than 7 3 4 inches.

Thickness of stair risers.

Maximum 7 3 4 inch stair riser height. I never lost a cent on the jobs i didn t get. According to general specifications your stair riser thickness should be no less than. Handrail graspability to be either type i or ii with a minimum 1 1 2 inch clearance from a wall.

Maximum 12 3 vertical height rise for a flight of stairs. 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. This type of staircase requires a stair tread thicker than the standard 1. 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.

We can make these thicker stair treads in most species and colors. Unfinished oak stair treads have a 1 in. If you need a size or species you don t see listed here please contact us for a quote. Unfinished the surewood lnl 48 in.

Thick stair treads are often used in open rise staircases where there is only one supporting stringer. 7 5 in x 48 in unfinished red oak wood stair riser. Most stair companies use 1 1 16 industry standard tread thickness. Handrail height to be placed a minimum 34 inches to 38 inches.

Code states that this should not be greater than 7 3 4 inches 194 mm. The following user says thank you to greg24k for this useful post. 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. Thickness in natural unfinished red oak.

Item 17656 model 7d48 oak. 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. This means your stair risers should be less than or equal to 7 3 4 inches. Riser and tread dimensions should be continuously uniform for safety.

A stair riser is the back vertical part of a step. In fact many professionals recommend risers with a thickness of. 7 3 4 inches maximum. Minimum 10 inch stair tread depth with nosing or minimum 11 inches with no nosing.

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. The surewood lnl 48 in.