The attic will hit R80. Brazelton is doing much of the traditional renovation work himself, with the help of his father and a few friends. He sleeps inside the unheated, unfinished house on a cot, sometimes with the family's two dogs for companions. The more complicated work is being handled by a professional builder, Ryan Stegora.
Go with an aluminum patch. Use aluminum rivits or screws. Avoid stainless or other metal screws due to the interaction of different metals. Use a sealant like 3m 5200 or Boatlife. Do not use fiberglass to patch aluminum. It just doesn't hold up well.
When the ceiling has dried out, we use joint compound and tape to recreate the joints. For repair work, it is possible to use either paper tape or mesh fiberglass style tape. The fiberglass tape is a bit easier to use for repair work because it beds in mud easily and blends well.