A joint between two walls has been determined to be 0.5 in. if the joint is not to be filled with a sealant. If the same joint is to be filled with a class 50 sealant, its width should be

A) 1/4 in. maximum.
B) 2-1/2 in. minimum.
C) 1 in. minimum.
D) 1/4 in. minimum.
E) none of the above.


C) 1 in. minimum.

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