A stack of gypsum board is soaked by a roof leak before installation. The foreman wants to use the softened sheets in a concealed storage room. What should the superintendent require?
Correct Answer
D) Reject or replace damaged board and protect stored gypsum materials from moisture
Gypsum board damaged by moisture can lose bond, strength, and finish quality; damaged sheets should be removed from the work and stored materials protected. Other choices conceal a material defect.
Why This Is the Correct Answer
Gypsum board damaged by moisture can lose bond, strength, and finish quality; damaged sheets should be removed from the work and stored materials protected. Other choices conceal a material defect.
Why the Other Options Are Wrong
Option A: The superintendent should install the sheets if the paper dries by morning
The trap in A is Install the sheets if the paper dries by morning. That selection is wrong because it leaves out the controlling Wet gypsum board result: Reject or replace damaged board and protect stored gypsum materials from moisture.
Option B: The superintendent should use the sheets only on ceilings and leave wet gypsum board unchecked
Choice B gives Use the sheets only on ceilings. Its specific error: the action skips the timing, documentation, or field-control step needed for Wet gypsum board.
Option C: The superintendent should hide staining with primer after taping
Choice C (Hide staining with primer after taping) is rejected because it tries to bypass the Wet gypsum board checkpoint.
Memory Technique
Picture a fastener row on the jobsite; wet gypsum board is solved by the action that leads to Reject or replace damaged board and protect stored gypsum materials from moisture.
Reference Hint
Open Gypsum Construction Handbook, 7th Ed., 2014; use the index entry or section for "Gypsum board storage and moisture protection" to confirm that Gypsum board damaged by moisture can lose bond, strength, and finish quality; damaged sheets should be removed from the work and stored materials protected.
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