This outdoor wooden structure has no mechanical ventilation. It measures 23.6 feet long, 8.7 feet wide by 8.2 feet tall. The wind speed is 0.5 meters per second which is consider to be light air ...

When building an outdoor structure, the right fasteners matter. Probably more than you might think. Poor choices lead to weak joints, safety concerns, and costly repairs down the road. Think about ...

and officials are worried these outdoor structures may not provide enough. “The concern with structures like igloos that don’t have airflow, is that the amount of virus that can be spread ...

And that includes an important detail about what constitutes a legal outdoor structure. According to the SLA, a structure "may only be considered outdoor if it has two sides which are open air.