Since some areas are exposed to more moisture than others, some may need a moisture- or mold-resistant option. Fiberglass mesh tape is the most common material used for self-adhesive options. If too little compound is used, the joint is more likely to develop cracks later. This type of tape is much simpler to use than paper, but take care to smooth enough compound through the surface mesh to fill the seam beneath. The tape is made with an open-weave mesh, so the joint compound can flow through and fill the seam beneath. Rather than applying the tape over a layer of compound, self-adhesive tape features a sticky backing that lets the user position it directly over a dry joint between panels. Self-Adhesive TapeĮmbedding tape smoothly in compound takes practice and experience, but self-adhesive drywall tape may make it easier. As with flat seams, joint compound first must be applied to an inside corner, after which the tape is folded and embedded in the compound. Use this same paper tape flat as described to tape joints in the center of the wall. Note that standard paper drywall tape comes with an embossed line down its center to create a crease to form a 90-degree angle for use in an inside corner. For speedy installation, rolls of paper tape are often fitted into drywall tape dispensers to allow installers to apply compound and tape at the same time. Such errors can result in the tape shifting or wrinkling or bubbles to appear on the tape’s surface. Pro drywall installers often only use paper drywall tape, but it can pose a problem for DIYers who may use too little or too much compound. The tape is embedded in the compound using a taping knife, and additional compound is smoothed over the tape to cover it. Paper tape is applied over a layer of wet joint compound used to fill a joint between drywall panels. This means that paper produces the smoothest possible seams-but only if used correctly. Paper drywall tape is the thinnest tape, and the thinner the tape, the less visible the finished seam. Paper drywall tape comes in rolls about 2 inches wide and anywhere from 50 to 200 feet long. In the world of professional taping, paper drywall tape is king. To select the right type of drywall tape, check out these variations and characteristics. Mesh tape, on the other hand, is positioned over a wall seam, and compound is applied over the tape, allowing it to ooze through perforations in the tape and into the seam beneath. Some types of tape are embedded in a coat of compound that goes on the wall first. But installation differs depending on the type of tape you choose. Without the tape to support it, the wet joint compound is more likely to sag out of the joints. The purpose of drywall tape is simple: It helps hold the joint compound in place.
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