From how to measure a U-shaped staircase for carpet stair treads · Step 2 of 4 · Video by Oak Valley Designs

Showing 0:54–1:39 of the source video.
Measure the full depth of your stair tread, from the back of the tread to the front edge (bullnose). For instance, if the measurement is 11 and 1/4 inches. It is crucial not to order this exact depth. Instead, subtract a small amount, typically 1/4 inch to 1/2 inch, from the total depth. This slight reduction ensures that the carpet stair tread sits tightly against the bullnose without hanging over, which is important for both aesthetics and safety. For example, subtracting 1/4 inch from 11 and 1/4 inches results in an 11-inch depth for your carpet tread.
Goal: Measure the full depth of the stair tread and then subtract a small amount (1/4 to 1/2 inch) to ensure a snug fit that prevents the carpet from overhanging the bullnose.
This video provides detailed instructions on how to accurately measure stair treads for custom carpet installations. It covers measuring both the width and depth of each tread, offering guidance on how to adjust these measurements to achieve the desired aesthetic of exposed wood. A helpful tip for visualizing the final fit using painter's tape is also included to ensure satisfaction before ordering.
That's going to be your depth. Your depth is going to be all right. This measures 11 and 1/4. Okay, we're not going to order 11 and 1/4. We're going to subtract a/4 in and we're going to order an 11. So that'll give us a little space in the back, which is perfect. And what you want so that the carpet stair tread is really tight on this front bullnness. You do not want that to hang over. And that's really important. You could also say, well, I can either subtract a/4 in or a/ in would also be fine. It doesn't have to be an absolute perfect science. You just want a little space in the back. So, anywhere from a/4 in to a/ inch is perfect. And that's it. So, I would do a 35 by 11 and that would be great.
Automatically transcribed from the source video.
Now, let's focus on the heart of your U-turn: the mid-landing or winder steps. For any landings, you'll want to measure their full width and length with care. Remember, each landing will be a custom-sized carpet piece, designed to bring warmth and elegance to your home. For optimal safety, ensure any landing is at least 36 inches deep in the direction of travel and as wide as your staircase. If your U-shaped staircase embraces the charm of winder steps instead of a landing, the process is slightly different but just as crucial for safety and style. You'll need to measure each individual wedge step, meticulously noting its narrow inner edge, its wider outer edge, and its depth. This attention to detail ensures your custom-made treads provide a better way to tread for everyone in your family.
Transforming your U-shaped staircase with beautiful, safe carpet stair treads is a rewarding DIY project! These unique staircases, featuring a 180-degree turn with either a spacious landing or elegant winder steps, require a thoughtful approach to measurement. Our guide empowers you to achieve a custom fit by treating each flight and every landing or winder step as distinct components. You'll carefully measure the width and depth of each tread, remembering to account for any trim or overhangs for that perfect, professional look. Landings will be measured for their full dimensions, becoming separate custom pieces that bring warmth and elegance to your home. For winder steps, precision is key, with each wedge needing individual attention. Remember, we always measure tread to tread, ensuring our quality treads protect your wooden stairs without damage. We'll also touch on key safety dimensions like tread width (≥36 inches), depth (10–11 inches), riser height (≤7¾ inches), and ample headroom (≥6 ft 8 in) for peace of mind. By numbering your treads for correct placement, you're well on your way to a safer, more stylish staircase, built for everyday life.
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