Bridge Ices Before Road Sign Material:Diamond Grade 5 mph is too slow

5 mph is too slow

This protects them and your work crew

Use this sign with a post

and many seem to drive in both at the same time

Legend Identification: The border legend allows for quick identification of the roll-up sign without the necessity of unrolling the sign face

Bridge Ices Before Road Sign Material:Diamond Grade 5 mph is too slowSize: 30x30 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):