3M warranty for traffic signs - guaranteed to last at least seven years outdoors - although in practice most last much longer. 3M screen printing designed specifically for outdoor traffic signs.
Sheeting meets the standard DOT specifications for construction of Roads and Bridges on Federal Highway Projects FP-85 for Sheeting Type II, Class 1 or 2 and the GSA LS-300C Class 1 or 2.
MUTCD/DOT qualified.
The base material is a 63 mil thick non-rusting aluminum. Prepunched/precleared holes for hassle-free installation.