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sagging rafters

  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...
  2. Roofing/Siding
    I have a split level ranch with sagging 2x6 rafters on a 4.5/12 pitch. I am having the 1/2 inch osb sheething replaced and putting on 30 year acht. shingles. The house was built in 1983 and the walls show no signs of spreading, there are 2x6 ceiling joist working as rafter ties. the sagging...
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