Metal Corner Bead Vs. Vinyl Corner Bead


Corner beads are slender strips attached to a wall's corner during drywall construction. They are made with a variety of materials, including metal and vinyl. After installation, the beads are covered with joint compound and blended in with the rest of the wall in preparation for painting.


  • The function of corner beads is to reinforce wall corners and protect them against crumbling, denting and other types of damages. When installed properly, they provide a clean, sharp, professional-looking edge to outside wall corners.

Metal Corner Bead

  • Metal corner beads are made with galvanized steel or aluminum. The advantage of using metal strips is that they are durable and long-lasting. On the other hand, metal beads are hard to work with, not pliable and can rust. This rust can bleed through and cause the paint to discolor.

Vinyl Corner Bead

  • The advantages of vinyl beads are that they are easier to install, more flexible and rust-proof. They are easier to use around arches with unique architectural designs and curvatures. Although vinyl corner beads are easier to use, these beads sometimes crack or break during installation.

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  • Photo Credit drywall worker image by Sherri Camp from
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