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I need to install a carpet runner down a staircase. This is a typical installation with the brass bars in the corner between the tread and riser to hold it down. The difficulty is that the staircase has a turn near the bottom where the steps are triangular in shape.

What is the best practice in such an installation?

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Yes, there is. It's a simple staircase with a corner turn - 2 Straight steps from the main floor, three triangles making a 90 degree turn, and then 10 up to the second floor. Obviously, I can't do this in a single run -- There are triangular pieces that need to be cut out. I'm not sure how to do this. – Chris Cudmore Feb 28 '12 at 14:45
Mock it up full size, in something cheap like construction paper. Then you can cut and tape and rearrange to your hearts content until you see the pattern you need. – Alex Feinman Feb 28 '12 at 17:21
I was able to find about 30 different ways to install a runner on a straight staircase, and 0 on how to install on a non-straight staircase. Seems to be a carpet installers closely guarded secret. – Tester101 Feb 28 '12 at 18:57
Yeah, straight is easy. Secure at top, roll it down, attach bars. – Chris Cudmore Feb 28 '12 at 18:59
From the limited info I could find, it sounds like you're going to be cutting and seaming, or folding and tucking. Is is a solid color runner, or a fancy one with a pattern? – Tester101 Feb 28 '12 at 21:33
up vote 1 down vote accepted

In most cases the bars are cosmetic.Each tred/riser set is done individually and stapled or tack stripped in place.I believe this is done for liability,if a bar came loose the carpet would slide.

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