Thread: 15ft fiberglass boats. Education required

Originally Posted by sore head stoat

Fibreglass hull. Get underneath the boat when it is on the trailer with a hammer. Start tapping the hull, if the hammer makes a clean bang and bounces back at you then the glass is ok. If however it makes a dull thud you possibly have delamination ..

Wrap the face of the hammer with a few layers of rag and insulation tape. Soften the edges of the steel so you don't damage the gel coat and glass. Even better is a plastic faced or rubber faced hammer...