A guide to repair and fixing fiberglassblisters on boats. This is a common problem among sailboat hulls produced in the mid-seventies. Narrated by a Camper Boatblisterrepair and boatfiberglassrepair by boat yard pros serving Wilmington NC boaters. Fiberglass delamination repair. Fiberglassblisters occur because water The first step in minor-blisterrepair is opening the blister to let Don't use gelcoat in blisterrepair. Boat Pox. Boat Blisters FiberglassRepair by Boatrepairboatrepairboatrepairboatrepairboatrepair West System BlisterRepair Howto Part I Online articles on boat hull blisters by David Pascoe, Marine Surveyors:hull blister repairs, blisterrepair failure, blister warranty, history of boat hull blisters, blisterboat purchase How to fix a boat hull blisterrepair. If you own a boat you may be familiar with blisters. Blisters are typically a cosmetic problem but can be worse if it reaches the fiberglass laminate below.