I'm looking to finish out an unfinished basement space and don't believe I can do it without addressing the issue. The unfinished area is directly below the French doors and under a deck. Because it is unfinished I can see that that the sheathing has rotted due to water trickling down. My questions are

  1. Can the French door frame be replaced and waterproofed without replacing all the doors

  2. Can the deck be properly flashed (as I think it is not flashed at all) without removing the entire deck

  3. If I properly waterproof French door and properly flashe the deck, do I necessarily need to remove siding and replace sheathing as drywall will go over it anyway

  4. Who does this type of work (contractor? Carpenters?)

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  • Regarding number one, what are "all the doors"? – isherwood Jun 14 '18 at 17:37
  • I removed the part of your question asking about cost. That's specifically off-topic here. – isherwood Jun 14 '18 at 17:48
  1. The door frame can be replaced with an identical one without replacing the slabs. However, if you have to retrofit a different frame the cost savings might be negligible.

  2. The deck can reflashed without disassembling it. Normally you would need to remove at least a small amount of siding to get the flashing behind it, and you may need to remove the deck board nearest the house to get the flashing underneath it.

  3. You don't necessarily need to remove the siding and replace the sheathing, but if it's been a number of years it's probably quite disintegrated. Just yesterday I replaced some on my home from 1997 that was crumbled to dust. While you can leave it as it is it might give you some peace of mind to have it properly repaired.

  4. A handyperson or carpenter should be able to do most of what's required here, but you haven't told us what type of siding you have. If it's steel you may need a specialist for that. Of course, a general contractor can handle that all for you, but the rates will likely be higher due to the additional management time involved.

  • You're welcome. Please make sure you understand how this site works though. Take the tour. – isherwood Jun 14 '18 at 18:45

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