Typically this is because it is a good quality but for a great price.
Install vinyl drywall corners.
While there are a few different choices when it comes to corner beads vinyl seems to be one of the most popular.
It is often referred to simply as bead because of the thin straight line that is created with the corner of the material.
All you need to install it are taping knives and a spray bottle filled with water.
Installing the vinyl corner bead is one of the simplest steps when it comes to the drywall process.
Drywall corner bead is made of either metal or vinyl and serves to protect the outside corners of walls.
Luckily for homeowners installing corner beads and mudding them is one of the easier parts of the drywall process when you install corner beads apply light pressure on the bead itself toward the corner.