DURABLE ALUMINUM: 'Slow No Dust' signs are made of 63 mil thick heavy-duty rustproof reflective aluminum that easily lasts 10 years outside and meets DOT road and traffic requirements.
EASY INSTALLATION: All signs come with rounded, burr-free corners and 3/8 inch punched and pre-cleared holes. Signs mount to U-channel posts, square or round galvanized posts, wooden posts, and chain-link fences.
LAMINATED PROTECTION: With lamination, graphics are protected from weather and abuse to preserve a fresh look. Graffiti can be cleaned off too. Clear UV laminate resists chemicals, UV rays, water, and abrasion.
3M AUTHORIZED: Signs use official 3M Reflective Engineer Grade film and are printed with 3M screen printing or 3M outdoor digital inks designed specifically for outdoor traffic and property signs - providing ultimate quality and assurance.
PACK CONTENTS: One 18 x 12 inch black and yellow aluminum sign.

We are a 3M Certified Manufacturer of traffic signs, a distinction that only a few in the USA have achieved. All speed limit signs use authentic 3M films, laminates and, importantly, durable 3M inks. We have been making signs for over 100 years and these are the same signs sold to 1000’s of municipalities and government agencies across the US.

It is important to purchase compliant speed limit signs. Be aware that the market has been flooded with low quality, imported signs. Purportedly reflective, laminated and durable, these signs are likely to disappoint.

**Certified by 3M, Certification Number: 16127689. Issued on September 17, 2018, Effective from August 23, 2018

Installing a Speed Limit Sign
Most signs go onto U-Channel or square metal posts. But, in some cases, for private use, speed limit signs can be installed onto a chain link fence or a portable base.