Stair Stringer Thickness

Once the stair results have been calculated you can toggle between the standard and flush options to compare the differences.

Stair stringer thickness.

You can now draw the notches for the stairs onto your 2x12 stair stringers. Is the top step really the top step do we need to account for any riser thickness. Stairs the dreaded stair stringer. You will need to remove the thickness of the riser board from the top stair and remove the thickness of the tread board from the bottom stair.

The difference between the stair rises and tread depths cannot vary by more than 3 8 from the largest to the smallest. As an fyi me showing using these plans is not an issue as all the ones that have been or are used in competition are shared with all the teachers afterwards so they can use them as guides teaching tools. We shall calculate the dimensions of the steps and the staircase. We shall take you through the example calculations for first a standard mount and then a flush mount set of stairs.

If the stair treads are set into grooves routed into the stringer in a 2x stringer the groove depth should be 1 2 the thickness of the stringer typically 3 4 and additional support by cleats or by gluing and end screwing through the stringer sides into the treads is good practice. These are available in 2 4 3 6 and 4 2m lengths direct from our online shop. Riser thickness of 1 inch. We strongly recommend using stair stringers of a minimum width of 32mm as anything less can result in squeaky treads in your staircase.

And a stringer width of 12 inches. The stringer mount type refers to how the stringer will be attached to the upper landing or deck frame.