paxo
Det er nok forskjell på båter. Se denne:
https://www.yachtsurvey.com/Fiberglass_Boats.htm
"In another boat, only two layers of mat were separated by an expanse of putty. No STRUCTURAL fiber at all, just very weak mat. I had no doubt that if one swung a carpenter's hammer at the side of this hull, the hammer would go right through."
