How To Build Stairs in 3 Easy Steps. Building a staircase, even a short one, isn't simple. It requires precise measurements and some careful calculations. Here's how to do it like a pro. How to Build Stairs: Determine Number of Risers. From the previous step, use the measurement and divide it by 7 inches, minimum. The 7 inch number represents the approximate step height, which sometimes is determined or regulated by the local building code. How to Build Stairs. Stairs are an essential part of many construction projects, from decks to interiors. It can seem daunting to think of making your own, but they're actually made of just three main parts: stringers, treads, and risers. Sure, building deck stairs can be tricky. But in this story, we'll make it easy by showing you how to estimate step dimensions, layout and cut stair stringers, and assemble the stair parts. And you won't need any hard math to figure it out (though your calculations must be accurate!). These DIY. Learn about an old school technique to mark and cut stairs stringers without ANY specialty tools or calculators. This is ONE of the many ways you could do th. How to Build Stairs. Written by. Adrienne Cohen. Updated 12/02/19. Compassionate Eye Foundation/Robert Kent / Getty Images. Building stairs doesn't have to be difficult, but it does require precision and attention to detail. How to Build Stairs: Stairs, staircases and steps can very in many different ways. I'm going to attempt to explain how to build a staircase with general staircase information, to make it informational to any size or shape and any would-be stair builder. The most im. How To Build Stairs – a Step-by-Step DIY Guide to Constructing Staircases There are two different classes of stairs. The first class is a mill-made stair, which is usually fabricated in a mill shop and shipped to the job site as a kit, ready for assembly and installation. How To: Build Stairs There's a lot to consider: the rise/run ratio, treads, and essential tools, like the carpenter's square. Follow these guidelines for help building stairs.