Air barriers: An essential part of the building envelope
GCP Applied Technologies
DECEMBER 7, 2018
The study included cities in a variety of climatic zones—including Miami, Phoenix, St. Consider that a one-inch-square hole in a 4 x 8-foot gypsum board can transport about 30 quarts of water over the course of a year due to air infiltration. Louis, Minneapolis, and Bismarck. Savings were greatest in the “cold weather” zones.
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