Ends Sign Material:Engineer Grade Prismatic 25+ 3M 4000 Series Diamond Grade

3M 4000 Series Diamond Grade (DG3): Guaranteed for 12 year outdoor lifespan

Even though the pavement may be painted with a mandatory right turn arrow

And many of those highways are posted with speed limit signs from U

40 is the new 30

So if your streets are 60 mph and you need to put up new speed limit signs or replace older signs at their end of their lifespan

Ends Sign Material:Engineer Grade Prismatic 25+ 3M 4000 Series Diamond GradeSize: 30x12 We make all our signs from . 080 thick aluminum. Other companies use steel which rusts, plastic which cracks or warps, or a thinner gauge aluminum (. 060 or . 040) which bends or buckles. Material Details We use 3M reflective sheeting and 3M UV resistant inks. 3M offers the following on their sheeting: 3M 3400 Series Engineer Grade Prismatic (EGP): Rated for 5 7 year outdoor lifespan 3M 3930 Series High Intensity Prismatic (HIP):