Stair Stringer Speed Square

Maintain the same rise and tread width all the way down.

Stair stringer speed square.

Tom silva provides some of the basics of this tool in the ask toh segment how to use a speed square. One of these tools will allow you to lay out consistent precise angles down the length of the board. Use the adjustable angle square to transfer the short angle from the template onto the 2 inch by 4 inch stringers. Pros recommend a width of 16 between stringers but depending on the stairs and the thickness of the tread that figure could be slightly higher.

As for the length of the stringers take the total height the stairs need to be and square that value. Scale matching the pointed ends of both layout bar and square. Bolt large washer wing nut for bar assembly. The rafter square commonly called a speed square a proprietary name like romex and kleenex is a tool used by carpenters for a variety of tasks.

Big 12 speed square layout bar 3 16 in. Place layout bar under square along the 12 in. Handy magazine shows you how to build basic stair stringers. These stringers are tied into the framework of the landing in the same manner as though you were coming from the regular floor.

Clamp a strip of wood to the square so that its edge aligns with the stair s rise and run dimensions. A 42 wide outdoor set of stairs should have 3 stringers 2 x 12 typically. Use a framing square to trace the stair pattern on your stringer board. Clamp a guide to the square.

Here post frame builder kyle stumpenhorst shares his top 10 uses. The square can be adjusted to match the angle by loosening the nut adjusting the angle and then tightening the nut. To make it easy to align the framing square on the stringer consistently clamp a straight wood strip to the square. Using three winders each tread tapers from a wide to narrow but not pointed tread at inside of turn.

This creates a precise guide that helps make the layout accurate.