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The top panel of my vinyl sliding keeps popping off every few months. I can pop it back in, but it inevitably falls out again.

Image of siding

What is the right way to secure it?

Ed McMan
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1 Answers1

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The top piece of vinyl siding is supposed to have tabs pressed into it from a snaplock punch. This is what allows the top edge of the vinyl to be locked into place inside a utility, finishing, or sill trim. Mine was installed without these tabs, but had some nail holes, so I assume whoever installed it attempted to nail it in place, which worked until the nails fell out. Once I made these tabs, I was not able to pull the top siding out without using a removal tool. It only took about 10 minutes.

This is a good resource on the tabs and trim, specifically Figures 15-18. As is this video.

Ed McMan
  • 131
  • 6