Installing sheetrock corners

Spray adhesive along on the wall on both sides of the corner and press plastic beading into position. It should remain in place ready to be finished with joint compound. Apply a thin coat of joint compound to the wall on either side of the corner with a drywall knife if you are using beading with paper edges. Position the beading so that the paper edges rest on the joint compound and scrape the paper with the knife to flatten it and remove excess compound as if you were scraping a flat seam.

When you are done, the paper on both sides of the beading should be flat against the wall with no lifting or bubbles. Position metal beading on the corner and drive drywall nails into the flat edges with a drywall hammer, or drive drywall screws with a drill and No. The fasteners should penetrate the drywall and sink into the wall framing. Use enough force when driving the fastener so that the head makes a slight depression in the metal, and space the fasteners 8 to 10 inches apart.

Top coat the edges of the beading with two or three coats of joint compound, scraping the compound flat in the same way you would scrape a flat seam and letting each coat dry before applying the next. It takes more compound to finish metal and plastic beading than it does for the paper variety because the edges are slightly higher than the surface of the drywall.

Chris Deziel has a bachelor's degree in physics and a master's degree in humanities. Adhesive should be sprayed on the inside flanges of the corner bead and allowed to set for about minutes. Meanwhile the outside drywall corners can be sprayed with adhesive and allowed to set as well.

Take care not to miss a spot. If there are any spots of vinyl that do not have glue, they will probably flash or crack after being coated. When ready, the vinyl bead can be placed on the corner. The spray adhesive will attach quickly so you will only have a few seconds to make sure it is installed straight and square. When done properly, spray adhesive is so strong that it cannot be removed from the drywall without ripping the paper. At times, a compressed air staple gun is also used to give added strength but the spray adhesive is usually good enough on it's own.

Metal corner bead can be installed with nails, screws or staples. When working with wood studs, nails or staples are the easiest method. Screws must be used on metal studs. One challenge with using metal fasteners on metal bead is the tendency for them to push the bead one direction or another.

Although metal corner bead has holes in various locations. You may need to screw directly through the metal on the bead instead of through the pre-punched holes. Drywall tape can also be used, though this is rarely done. However, we have found that metal bead that has been taped on with drywall tape rarely cracks. Paper faced metal corner bead is applied with methods very similar to taping drywall seams.

Mud is applied to the drywall. Then the paper on each side of the metal bead is pressed into the mud. Excess drywall mud is smoothed out from the edges to ensure a uniform adhesion. Once dry, it can be coated as normal. There are specialized tools to aid in installing paper faced metal corner bead. Corner bead hoppers apply drywall mud to the paper quickly and evenly by simply pulling the bead through the hopper.

Hoppers used in conjunction with outside corner rollers help to make installing paper faced metal bead just as fast or sometimes faster than regular metal or vinyl bead. Bullnose corner bead is very similar to square corner bead except it has a curved radius instead of a sharp corner. It is used to create rounded outside corners on walls instead of square corners. The principles discussed here apply similarly to bullnose corner bead.

There is adapter caps that go on corners where 3 beads meet. Helpful 1 Not Helpful 0. You can buy special bullnose corner beads that actually go in the inside corners as well. Helpful 0 Not Helpful 1. Submit a Tip All tip submissions are carefully reviewed before being published. You Might Also Like How to. How to.

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