Handrail height to be placed a minimum 34 inches to 38 inches.
Thickness of stair risers.
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 the surewood lnl 48 in.
Minimum 10 inch stair tread depth with nosing or minimum 11 inches with no nosing.
7 3 4 inches maximum.
This is not the case for open riser staircases.
Staircase riser height translates to the distance you move your foot either up or down from one step to an adjacent step.
Riser and tread dimensions should be continuously uniform for safety.
Maximum 12 3 vertical height rise for a flight of stairs.
Most stair companies use 1 1 16 industry standard tread thickness.
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.
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.
In fact many professionals recommend risers with a thickness of.
Thick stair treads are often used in open rise staircases where there is only one supporting stringer.
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.
According to general specifications your stair riser thickness should be no less than.
Item 17656 model 7d48 oak.
The surewood lnl 48 in.
Thickness in natural unfinished red oak.
This should be no more than 7 3 4 inches.
Maximum 7 3 4 inch stair riser height.
If you need a size or species you don t see listed here please contact us for a quote.
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.
Designed for interior use our tread can be stained to match other stair parts or surrounding decor.
This type of staircase requires a stair tread thicker than the standard 1.
The following user says thank you to greg24k for this useful post.
I never lost a cent on the jobs i didn t get.
Code states that this should not be greater than 7 3 4 inches 194 mm.
This means your stair risers should be less than or equal to 7 3 4 inches.
Handrail graspability to be either type i or ii with a minimum 1 1 2 inch clearance from a wall.
We can make these thicker stair treads in most species and colors.