Tank Repairs This vintage Norton ES4/ ES2 tank came in looking a bit worse for wear to say the least. Did you know, here at Alumacraft we don't just manufacture new tanks.. we're well experienced in repairing your damaged ones too, no matter their age. The customer who brought this tank in also requested the removal of the clip on dents. Once we were finished, it was left ready for painting. So if you're ever in need of a tank repair, we're your guys!