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Technical Note #2 - Effect of Temperature

The use of Fortis coatings across Australia provide some challenges due to the variety of climatic conditions, it is best to follow the application guidelines

Temperature, Humidity, airflow and film thickness impact both 2 Pack or single pack coating drying times.

The recommended application window for 1‐Pack Moisture Curing Polyurethane is approx. 12‐35℃ and 40‐80% relative humidity. With an optimum of 25℃ and 60% relative humidity.

A significant drop of application temperature slows down the drying and curing process of the applied coating. Winter temperature below 12℃ especially in the morning and late afternoon impact the levelling.

Note: Temperature on the floor can be significantly lower than the surrounding air temperature and the temperature of the coating material stored in a van overnight can be extremely low.

As such the coating will perform differently. It is best to work within the recommended application temperature. If you need to apply under serving adverse conditions, please contact technical for advice.