How to Cut Stair Stringers

How To Cut Stair Stringers Build Stairs Design And Plans Images 10

How to cut stair stringers. The employment of of laying out stair stringers is straightforward. You use a framing square to draw the stair’s notches on the stringer, then you cut them out. If you’ve done the mathematics (it’s gradeschool stuff) as well as the layout right, the tread cuts will be level as well as the riser cuts plumb.

The International Residential Code (IRC) governs the maximum rise (the height of each step) as well as the minimum run (the depth of each step), which are 7-3/4 in. and 10 in., respectively. Many jurisdictions, particularly in the Northeast, allow an 8-1/4-in. rise and a 9-in. run. Treads on stairs with a run of lower than 11 in. must overhang the riser below by the minimum of 3⁄4 in. and also a maximum of 1-1/4 in., so tread depth is actually bigger than the run.

How To Cut Stair Stringers Adjustable Stair Stringer And Railing Images 72

How to cut stair stringers. Measure from your finished floor at the bottom in the stairs to the finished floor at the top to find the overall rise. If the finished floor isn’t in place, measure from the subfloor, adding the thickness in the upper flooring and subtracting the thickness of the bottom flooring. If the finished floor won’t be in place once you install the stringers, add its width to the height of the bottom part riser, or shim the stringers. Let’s say the over-all rise is 46 in.

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