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When to Use Joint Compound
The main purpose of joint compound is finishing new drywall and performing large drywall repairs and patches. Because joint compound has a slower drying time than spackle, it has a longer working time, which allows the user more time to achieve a smooth surface. ABOUT
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Joint compound’s primary function is filling and finishing the joints between sheets of drywall. You probably connected the dots, but this is where the word “joint” in joint compound comes from. The drywall mud is spread between the sheets of drywall after installation to create a smooth wall surface. When paired with drywall tape and applied by an experienced hand, joint compound can make drywall seams totally disappear.
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- Setting Joint Compound Setting compound is packaged dry and mixed on the job, as it sets quickly after mixing. Most brands designate numbers for setting joint compound, such as 20, 45 and 90. These numbers represent the time it takes the joint compound to set. Pros often opt for setting joint compound for finishing drywall because it allows them to apply several coats in one day if necessary.
- Taping Joint Compound Taping compound is drywall mud that is intended for use with drywall tape for taping joints or fixing cracks.
- Topping Joint Compound Topping compound is drywall mud that is reserved for the final layer, as it’s formulated to create a smooth finish.
