Road Closed Sign Material:Diamond Grade 10 15 20 25 30

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you need to have a variety of these Road Work signs in different distances to meet the requirements of your particular state or DOT

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your goal is to protect your flag men and women who are standing in harms way of traffic

So if you don't want people speeding on your property or in your parking lots or at your schools

Road Closed Sign Material:Diamond Grade 10 15 20 25 30Size: 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):