Dividing 6 into 45 inches yields 7 1/2 inches, the height for each riser. Next, calculate the total run, the length of the stairs from the first step to the deck. Select a tread width–it’s ...

Building stairs, whether for your deck or the inside of your home ... you'll need a carpenter's square (also known as a Speed Square), two stair gauges, and a pencil. Attach the two gauges ...