Understanding & Enhancing Weathertightness in Facades

Distinct from airtightness, weathertightness refers to a building’s capacity to protect itself from external weather conditions, as a means of reducing air/water intrusion and the presence of moisture in the building envelope.The reason weathertightness is important, and the reason architects should seek to create barriers against inclement weather, is that it helps to protect the structural integrity of the building in question. It prevents the accumulation of moisture within walls, which