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Stair Tread Installation
Step 4 of 6
Step 4 · Adjust Riser Height if Needed
Because your new treads are deeper, they will change the perceived height of each step. To maintain a safe and comfortable climbing rhythm, the height of every riser needs to be consistent. You may need to modify the risers to account for this change. This could mean adding a thin strip of wood to the top of each riser or, in some cases, carefully shaving a small amount off. Place a new tread loosely and measure the new riser height to determine what adjustment is needed. This critical step ensures your finished staircase is as safe as it is beautiful.
The maximum allowable variation in riser height between steps is typically 3/8 inch. Consult local building codes for specific requirements.
The maximum allowable variation in riser height between steps is typically 3/8 inch. Consult local building codes for specific requirements.
Consider using a tread jig or a template to ensure consistent riser modifications across all steps.
Consider using a tread jig or a template to ensure consistent riser modifications across all steps.
General Hazard
Inconsistent riser heights are a major tripping hazard. Ensure all risers are uniform after modification.
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