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Measure Stair Tread Depth

From how to measure a U-shaped staircase for carpet stair treads · Step 3 of 4 · Video by Oak Valley Designs

Showing 0:54–1:39 of the source video.

What happens in this clip

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.

What's used

Tools

  • Tape Measure

About the full video

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.

What's said in this clip

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.

Step 3 of 4: Capturing Each Tread's Dimensions

With the unique turn measured, it's time to focus on the individual steps that make up each flight. For every single tread on both sections of your U-shaped staircase, you'll need to measure its width and depth. This is where precision truly shines! It's absolutely critical to measure from the edge of one tread to the edge of the next – what we call 'tread to tread' – rather than from wall to wall. And don't forget to include any existing trim or overhangs in your measurements. This meticulous approach ensures that your Oak Valley Designs carpet treads will fit accurately, protecting your beautiful wooden stairs from scratches and wear, and providing a safer, more stylish surface for your family.

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Other videos for this step

how to measure a U-shaped staircase for carpet stair treads

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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