Ace the Red Seal Drywall & Plasterer Exam 2026 – Let's Nail It & Shine Bright!

The drying time of joint compound is primarily influenced by temperature, humidity, and air circulation.

Temperature plays a crucial role because warmer air holds more moisture and helps the joint compound to dry faster. Conversely, cold temperatures can slow down the drying process significantly.

Humidity is also a key factor; high humidity levels in the air can significantly prolong drying times, as the moisture in the ambient environment can hinder the evaporation process of the water in the joint compound.

Air circulation aids in removing moisture from the surface of the joint compound. Adequate air movement allows for quicker evaporation, speeding up the overall drying time. Therefore, a well-ventilated space that maintains a moderate temperature and balanced humidity will facilitate the expeditious drying of joint compound.

While the other groups of factors may influence aspects related to the application and usage of joint compound, they do not directly address drying time as comprehensively as temperature, humidity, and air circulation do.