how do I measure a winder pie-shaped turn on my staircase for carpet treads

Let's start by separating your straight steps from your winder steps. You can measure your straight treads using our standard guide. The winder steps—those angled, wedge-shaped ones that create the turn in your staircase—require a more detailed approach. Because builders often construct these by hand, their dimensions and angles can vary from one step to the next. Measuring each one individually is the key to achieving that seamless, custom-made look.

Grab your tape measure. For each individual winder step, measure the width at its narrowest point (the inside of the turn) and its widest point (the outside of the turn). To find the final width for your custom tread, simply add these two numbers together and divide by two. It's also crucial to write down the measurement of the narrowest part of the step; this figure will be your base measurement to ensure a proper fit when you order.

With the width figured out, let's focus on depth. Measure from the front nose of the step to the back riser at the deepest point of the wedge. Now for a critical safety check: the narrowest part of your tread must be at least 6 inches deep. Next, find the 'walk line'—this is the path most people naturally take, about 12 inches out from the narrowest edge. At this line, the tread depth must be at least 10 inches to ensure a safe footing. Finally, for safety and code compliance, measure the height of your risers; they should not exceed 7¾ inches. A consistent depth is also important; the difference between the largest and smallest tread depth at the walk line should be no more than ⅜ inch greater than the smallest.

Winder steps are truly one-of-a-kind. To guarantee the Oak Valley Difference, please take a few photos of your staircase showing the layout of the turn. When you place your order for custom-made treads, sending these photos along with your detailed measurements allows our team, right here in Georgia, to create treads that are a perfect fit for the unique angles of your stairs. It's the final step to achieving a beautiful, professional-looking, and safer staircase for your family.