What drying time for joint compound translates to an optimal result at 80 degrees and 60% humidity?

The optimal drying time for joint compound at 80 degrees Fahrenheit and 60% humidity is around 13.5 hours. This duration is important because joint compound requires sufficient time to fully dry and cure to achieve a strong, durable finish without compromising quality.

At this temperature and humidity level, the drying process is influenced by several factors, including air circulation and thickness of application. Joint compound loses moisture as it dries, and if it dries too quickly or is not allowed enough time, it may crack or not adhere properly, which can lead to future issues with paint or finish.

Understanding the balance of temperature and humidity is crucial in finishing work. While lower temperatures and higher humidity could cause longer drying times, the specified conditions allow for optimal results at approximately 13.5 hours. This timeframe ensures that the compound sets correctly, allowing for proper sanding and additional coats if necessary.