5 Key Takeaways

• 1

  A molecular and pollen analysis of a Roman shipwreck revealed distinct coating batches, indicating successive repairs.

• 2

  The study focused on organic hull coatings from the Ilovik–Paržine 1 wreck, discovered off Ilovik Island, Croatia.

• 3

  Coatings were primarily based on conifer-derived materials, with diagnostic markers indicating heat-treated resin or wood tar.

• 4

  Statistical analysis identified four to five distinct coating batches, reflecting different sourcing locations during repairs.

• 5

  The research highlights the significance of waterproofing residues in understanding local shipbuilding and repair traditions.