Links to All Railroad Advance Warning Sign Sizes: 30x30 36x36
*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.
**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): Guaranteed for 10 year outdoor lifespan.
-3M 4000 Series Diamond Grade (DG3): Guaranteed for 12 year outdoor lifespan.