Limited Sight Distance Sign Material:Diamond Grade 10+ Other speed limit choices: 05

Other speed limit choices: 05  10  15  20  25  30  40  45  50  55  60  65  70  75

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1/2 mil aluminum core

It's hard to close the left shoulder if all you have is right shoulder closed signs

Sign is 18 inches above grade

Limited Sight Distance Sign Material:Diamond Grade 10+ Other speed limit choices: 05Size: 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):