the lady who sold me this house was so proud of her work in renovating the home for her mother. the deeper i dig, the more i understand that “renovate” means sheetrock and tile over problem areas and ignore knob and tube wiring and leaking porch roofs. i knew it when i bought it, but i am still astounded by the details i find when i open things up.
in 783a, the rafter on the porch roof rotted out, so she bridged the gap with a 2×6, overlapped a whopping 6 inches on each end…nailed into rotted wood.
785a shows the next two rafters that suffered similar fate. however, she went all out here by nailing on a 1×6 almost the full length, then attaching a short length of 2×6. all the scabbing left the rafter tail in the wrong location, so she added a tail. attached to nothing except by toenail into the top plate.
but that’s all ok because she put down 8 layers of felt and 2 layers of shingle to make sure this section never leaked again. it leaked again. also, note that the first 3 rafters have joints with 6 inch overlaps, supporting 3/4″ V groove pine.
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Wow, that stinks! Some people have no concept of craftsmanship, do they? There oughtta be a law. Well, I'm sure it feels good to get some of that cr@p fixed! But hey - I've seen some big new McMansions that look like they were framed by the same guy!
"...never charged nothing for his preaching, and it was worth it, too" - Mark Twain
I had the same kind of stuff on a roof over an "addition". The house was a stick built bungelow, but the addition was all brick over what might have been a cistern.
Anyway, the roof was the same way as yours, and they didn't plumb cut the rafter tails (exposed rafter ends were the correct choice there).
I didn't rip the whole roof off but I should have.