Was on my roof cleaning pine needles and noticed that my roof had a number of exposed nails that have neoprene washers near flashing and on the last ridge shingle on each peak.

Should I seal over these with roofing tar or will the washer be sufficient protection? There is no signs of leaking from inside the attic and the roof is ~ 5 years old

  • ...it's usually EDPM, not Neoprene. Tar would be likely to damage it, if anything.
    – Ecnerwal
    Jan 19 at 21:23

The point of the neoprene is to make the seal. No additional sealant is typically required.

See also: Millions of ribbed steel roofing screws with rubber washers under their heads.

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