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.
lament plied fiberglass e-yarns, with an 8 harness satin weave, HPF824 is the strongest, yet most conformable aluminized fiberglass fabric available. HPF824 exhibits exceptional tear and puncture resistance, while offering ideal seam strength making it the fabric of choice for aluminized gloves, hoods and industrial aprons.