The summer came and went, but the unsightly hole in your wallboard remains. Before guests descend on your home for the holidays, why not fix the problem once and for all? Rapid Set One Pass, a mold-resistant wall repair material and joint compound, turns an otherwise laborious task into a painless, one-and-done affair. Similar products must be applied in thin layers, one after another, with time allowed for each layer to dry. That's not the case with One Pass. True to its name, the product goes on in a single application. You can then sand and paint it within 90 minutes, and forget the hole ever existed.