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The final coat in drywall finishing is typically applied using all-purpose joint compound. This type of compound is favored for its versatility; it can be used for taping, interior filling, and finishing coats, making it suitable for use at various stages of drywall installation and repair.

All-purpose joint compound is specifically formulated to provide a smooth finish, which is essential for the final layer. It tends to sand easily, allowing for a fine, seamless finish that is crucial in achieving a professional look on walls and ceilings. This quality is important, as the final coat needs to be as smooth as possible, especially when preparing for painting or other finishes.

Other types of joint compounds, such as quick-setting joint compound, serve different purposes. Quick-setting products are often used for repairs or in situations where a faster drying time is necessary, but they may not yield the smooth finish achievable with all-purpose compounds. Lightweight joint compound is easier to handle due to its reduced density, making it less cumbersome for application, but it may also not be as effective as the all-purpose variety for a final coat in drywall finishing. Formulated joint compounds are designed for specific applications but do not typically meet the broad finishing needs as well as all-purpose joint compound.

Thus, the choice of all