Morris Minor Owners Club

Hi - I need to repair some of the box section above the rear spring hanger (under the rear seat) in my 1966 saloon. Can anybody advise the gauge of metal needed to fabricate replacement box sections?? (Thickness in mm makes more sense to me) Any other advice is also appreciated!
Thanks, Nobby

Thanks everybody! I'll go and invest in a 1 mm sheet!! That'll keep me busy for a while. Anybody got any tips / pointers on rebuilding the box section? My plan was to bend the sheet into L-shapes before welding as this will be stronger with the seam along the neutral axis of the beam, does anybody d...