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  1. Building & Construction
    I have a home built in 1928 with 2x4 rafters over my front porch. 2 of the rafters are sagging at a knot in the rafter. The rafters are appox 14 ft. I was going to sister 1 2x4 x8' to a side of each impacted rafter using 4 3/8 zinc bolts and washers (2 above and 2 below) and then maybe a...
    joist rafter sagging rafters sistering long span
  2. Carpentry
    Ok old house un even floor. joist run 18ft and are 2x8's. (would have been nice if the joists had run the 12ft instead) regardless the floor has a bow. I want to sister the joists to eliminate the bow and remove some of the bounce. The floor does not actually have a lot of bounce surprisingly...
    sistering long span
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