Various types of masks and respirators are receiving increased attention in many workplaces, including on construction sites. Use of masks is part of a multi-layered prevention strategy for COVID-19, and many workplaces require or encourage employees to wear them. Masks are designed to cover a person’s mouth and nose to help contain large droplets or airborne particles when a person exhales, coughs, or sneezes. Respirators provide crucial respiratory protection by filtering out small airborne particles from the user’s inhaled breath. Masks are integral to reducing the risk of COVID-19 transmission while respirators approved by the National Institute for Occupational Safety
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