Making Stairs Wider

The wider the treads the more total run the stringers have to span.
Making stairs wider. A prime example is the standard stair width. Cut lumber to be at or slightly longer than the tread run in width and as long as the stairs are wide or just wider if you prefer a slight overhang on the ends of your stairs. Now when handrails are introduced they shall not project more than 4 inches on either side. The stair riser must measure 8 to 8 1 4 inches high.
This includes the recommended 3 4 to 1 1 4 inch overhang. Clamp the stair gauges to the carpenter s square. This will create a stair stringer calculator. For a typical staircase the stair tread must measure 8 1 4 inches to 9 inches deep measure 1 inch thick or more and have a maximum 1 1 2 inch deep nosing.
Attach the other gauge to the body of the square at the run dimension. It s not as difficult as you. If your treads are 10 inches wide and do not overhang you can add a 1 1 4 inch overhang by replacing them with treads made from 1 by 12s that are actually 11 1 4 inches wide. The landing is made of concrete pavers set in a sand bed.
Most interior steps are built from either hardwood composite material or plywood and can be remodeled for more width. Some builders use the 7 11 rule to create comfortable and safe staircases. For stair treads less than 9 inches deep secure a new deeper tread directly on top of the existing tread. Secure the treads to the steps of the stringers with 2 5 in 6 4 cm screws over each stringer.
The tongue is the narrower leg of the framing. The 7 11 rule means the risers or vertical boards at the back of each step are no higher than 7 inches. Building codes typically require that stair treads be within 3 4 inch of 10 inches wide. Staircase code states that stairs must be 3 feet wide or wider.
Use the narrow part of the square for clamping the riser gauge and the wider part for the 10 1 4 in. As long as the 3 foot width standard is met you can expand the stairs width as far as you wish. Clamp one stair gauge on the square s tongue directly at the rise dimension. Stair width the minimum width for stairways shall not be less than 36 inches clear.
At the same time staircase code measurements do allow for some flexibility since most measurements are accompanied by minimums or maximums. Lay out the stairs by drawing on the outside of the square sliding the square along until it meets the last mark to learn how to build steps.