Deck stairs look simple until you cut your first stringer wrong. I have done that, and one bad cut can waste a whole board. Building deck stairs is one of the most useful DIY projects you can take on.

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

A practical look at marking and cutting stair stringers for a building project. Focused on the process, tools, and step-by-step craftsmanship. How do you approach stair layout?

Dear James: My old wood deck is deteriorating and the stairs could be hazardous. What is the easiest way to install new ones for an inexperienced DIY-er? Dear Shantell: You are correct to worry about ...