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Understand Drywall Corner Bead Types and Selection

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Drywall corner bead

What happens here

The video introduces three common types of drywall corner bead: metal, paper-faced metal, and vinyl. The creator briefly describes the properties, pros, and cons of each type. Metal corner bead is the least expensive and easiest to fasten, but can rust in damp areas and is difficult to straighten if bent. Vinyl corner bead is flexible and won't rust, making it suitable for bathrooms, garages, and basements; however, it can be harder to align and mud doesn't stick as easily, and it's more expensive. Paper-faced metal corner bead has a metal core with paper wings and is embedded in mud without fasteners, but it is the most expensive and slightly harder to install. The goal of this step is to understand the various types before making a selection.

Goal: Select the appropriate drywall corner bead for the project

Tools and materials

  • Metal Corner Bead — Providing a durable, inexpensive edge for drywall corners
  • Paper-faced Metal Corner Bead — Providing a strong, fastener-free corner embedded directly in drywall mud
  • Vinyl Corner Bead — Creating flexible, rust-resistant corners, especially in damp environments

What they say

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Metal, paper-faced, or vinyl, which one of these corner beads should you use? Let's get after it. First off is metal corner bead, the least expensive option out of the three, and probably the easiest to fasten to your drywall. You can fasten with screws or drywall nails, or a corner bead crimper. The downside to metal corner bead though is it can rust in damp areas. If it bends, there's not really any way you can get it back to straight again, it'll always be some sort of bent, and sometimes the fasteners can occasionally pop. Measure, mark, cut. Push it on your corner tight and nail every 8 to 10 in. Just like that. Just like that, it's ready for mud. Next up is vinyl corner bead. It's very flexible, it won't rust, and it's great for bathrooms, garages, and basements. Depending on what kinds you get, it's either applied with adhesive and staples, or embedded in the mud. Downside to the vinyl corner bead though is that it's might be a little bit harder to line up. It's a little bit harder to mud because the mud doesn't like to stick to plastic, and it's a little bit more higher cost than the metal stuff. And lastly, paper-faced metal corner bead. It has a metal core with these paper wings. The way that this gets fastened to the wall is it gets embedded into the mud. So, being that it gets embedded into the mud, it has no fasteners. The downside of this though is that it's super expensive, almost three times the price of metal, and it's a little bit harder to install. Once you have your corner bead cut to

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