Eliminate moisture and excess heat with our state-of-the-art computer-modeled frame design which adapts the Canada Go Green 4 Seasons Solar Vent (included) to corrugated shipping container rooftops. The variables inside a shipping container are always changing. When the combination of those variables creates an environment prone to humidity, condensation will happen. The above-mentioned variables include, but are not limited to the following: ► Humidity ► Interior temperature ► Exterior temperature ► Wind direction ► Wind speed ► Foundation ► Adequate airflow under the container ►Direct sunlight to the roof ► Direct sunlight to the roof