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Measure Stair Tread Depth — Confirm Overhang and Determine Ideal Tread Width for Safety and Style

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how to measure bullnose stairs for carpet stair treads · Step 2 of 3

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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.

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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.

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