Can You Use Drywall Tape On Outside Corners

By | June 22, 2023

Can You Use Drywall Tape on Outside Corners?

Drywall tape is a crucial material used to reinforce and protect drywall joints, particularly inside corners. However, when it comes to outside corners, the use of drywall tape is a subject of debate. While some believe it is an essential step, others argue that it is unnecessary. This article will provide a comprehensive overview of the pros and cons of using drywall tape on outside corners, helping you make an informed decision.

Benefits of Using Drywall Tape on Outside Corners

Reduced Cracking: Outside corners are more susceptible to cracking due to their exposed edges. Drywall tape provides an extra layer of reinforcement, bridging the gap between the two drywall sheets and preventing cracks from forming.

Smoother Surface: The use of drywall tape creates a smooth and even surface, making it easier to apply joint compound and achieve a flawless finish. It eliminates the risk of bumps or ridges that can occur when applying compound directly to the corner.

Durable Finish: When properly installed, drywall tape provides a durable finish that can withstand movement and wear and tear. It helps prevent the joint from separating or cracking over time.

Drawbacks of Using Drywall Tape on Outside Corners

Bulging Corners: If not applied correctly, drywall tape can cause the corners to bulge. This is especially true for inside corners, where the tape can become more visible. However, with proper application and the use of corner beads, this issue can be avoided.

Time-Consuming: Taping outside corners can be a time-consuming process, especially if the walls are uneven or the corner beads are not straight. It requires careful measuring, cutting, and applying, which can add time to the overall project.

Alternatives to Drywall Tape for Outside Corners

While drywall tape is a common choice for outside corners, there are alternative methods available:

Corner Beads: Corner beads are metal or plastic strips that are applied to outside corners before joint compound is applied. They provide support and reinforcement, preventing cracks and creating a straight and uniform edge.

Paper Tape: Paper tape is a thin, self-adhesive tape that is specifically designed for outside corners. It is easier to apply than drywall tape and provides similar reinforcement.

Conclusion

Whether or not to use drywall tape on outside corners depends on the specific circumstances of your project. If you are concerned about cracking, durability, and a smooth finish, drywall tape is a recommended option. However, if time constraints or the potential for bulging corners are a concern, alternative methods such as corner beads or paper tape may be more suitable. Ultimately, the best decision for your project will depend on your individual needs and preferences.


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