Fiberglass Boat Repair & Maintenance - Jamestown Distributors.Assessing and repairing structural damage to solid fiberglass laminate. 5 Repairing Cored Fiberglass Laminate. Repairing delaminated cores and replacing damaged core material. 6 Repairing and Upgrading Soles and Decks. Repairing delaminated plywood soles and decks, and installing a teak veneer deck. 7 Installing.