Question: QUESTION 19 A medium density fiberboard shelf 1 inch thich, 12 inches wide and spanning 30 inches can support 185 pounds max allowing a shelf

QUESTION 19 A medium density fiberboard shelf 1 inch thich, 12 inches wide and spanning 30 inches can support 185 pounds max allowing a shelf deflection of 1/4 inch.

True /False

QUESTION 20 A vapor retarder slows the rate of water vapor diffusion but does not totally prevent its movement through a wall or ceiling assembly.

True/False

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