The first rafter goes up on the project. The next rafter will be the the one at the end of the roof. Once those two are in place, then it is time to sit down with a ruler and calculator to figure out how the rest of the rafters fit in place given the three skylights we will put up on the roof. Note to engineers: Again...an old house that is no longer square. The distance from the first rafter to the last is different at the point it hits the house versus the point it ends rafter to rafter. Meaning....the porch construction is square, but where it hits the house is not.....because the house has settled. The difference is 1/4".
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