This project shows how to build exterior deck stairs from start to finish, including measuring total rise, using a stair calculator, pouring a concrete landing, cutting stringers, waterproofing ...

Calculating the step dimensions, laying out stringers and building a sturdy set of deck stairs.

"You can absolutely cut a stair stringer if only you only knew the way the math works," my dad once said to me. So, long before I ever had a geometry class, I knew the math behind determining a slope.

You probably give little thought to the stairs you go up or down to reach different levels of your home, deck or patio. I’ll wager that if I handed you a measuring tape, a framing square, a pencil and ...