Originally Posted by
Noelm
People seem to think the second fibreglass touches sand or rocks, you get a hole in it, Aluminium is no stronger than fibreglass, you choose, a dent (Alloy) or a scratch (glass) the only advantage of alloy is, lots are unpainted on the bottom, so you don't see scratches, but I can assure you, if it's painted, it will scratch, if it's a decent rock, it will scratch and dent. Continued pulling up on concrete will eventually damage both materials, but in different ways, both can be repaired.