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For an unequal slope roof with an equal overhang, what procedure is used to keep the soffit the same?

  1. Raise the wall under the minor roof by the difference in rise of the roofs over the run of the overhang.

  2. Raise the ridge of the minor roof to the ridge of the major roof.

  3. Raise the wall under the major roof by the difference in rise of the roofs over the run of the overhang.

  4. Raise the wall under the minor roof by the difference in height of ridges of the two roofs.

The correct answer is: Raise the wall under the major roof by the difference in rise of the roofs over the run of the overhang.

When constructing a roof with an unequal slope and an equal overhang, the soffit must be kept at the same height. Option C is correct because it ensures that the wall under the major roof is raised by the appropriate amount to maintain an even soffit. Option A is incorrect as it only accounts for the minor roof and does not consider the major roof. Option B is incorrect as it focuses on the ridges rather than the walls under the roofs. Option D is incorrect because it also only takes into account the difference in ridges rather than the walls under the roofs.