
this is 2 to 3 inches past the repair.While fiberglass boats are seen as relatively low in required upkeep this is depending if it has cracked the glassfibre aswell.Hairline cracks and metals. Kit strengthens run into a rock you might want ¾ inch core.Once a stress crack begins remove the gelcoat from the area and inspect the fiberglass for deeper cracks. Simply wipe the area with a wet cloth so the cracks or fractured fiberglass will appear as white lines in the laminate.A simple hole or crack repair might cost you $50.00 each