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3M Reflectivity Levels
In daylight, the three sheeting grades look nearly identical. At night, under headlights, the difference is dramatic. The photo above shows engineer grade on the left, high intensity prismatic in the center, and diamond grade on the right.
Which grade you need depends on the sign and where it's going:
Engineer Grade Prismatic (ASTM Type I)
Our lowest-cost option. Best for parking lots, private property, and low-speed areas.
High Intensity Prismatic (ASTM Type IV)
The most common choice for public roadway signs, and a significant step up in nighttime brightness.
Diamond Grade DG³ (ASTM Type XI)
The brightest sheeting 3M makes. Typically specified for high-speed roads, overhead and guide signs, and high-risk intersections.
If your sign is going on a public right-of-way, check your agency's specification — most call out an ASTM type or a 3M series number directly.
DynaLite Roll-Up Sign Stand
Note: Select your size and other options to view specific price.
$123.00
DynaLite Heavy Duty Roll-Up Sign Stand is a heavy-duty portable stand for 36" and 48" roll-up signs. Foot-operated leg releases deploy the quick-lock telescoping legs in three positions for level or uneven terrain, while the ScrewLock™ mechanism secures the sign.
- Displays 36" and 48" roll-up signs
- Powder-coated and galvanized steel construction
- Telescoping legs with anti-skid foot pads
- Storage size: 7" x 7" x 24"; open footprint: 42" x 71"
- Weight: 20 lbs.; minimum sign display height: 12"
- MASH tested, NCHRP-350 approved, and made in the USA
The DynaLite Heavy Duty Roll-Up Sign Stand is built for repeated temporary traffic-control, maintenance, utility, and construction use with 36" and 48" roll-up signs. A foot-operated release unlocks the telescoping legs, which can be set in one of three positions to accommodate storage, normal deployment, or uneven terrain.
The stand uses a ScrewLock™ mechanism to secure the roll-up sign and is constructed from powder-coated and galvanized steel. Two-position telescoping leg height, anti-skid foot pads, and a 42" x 71" open footprint provide a stable field setup. Folded for storage, the stand measures 7" x 7" x 24" and weighs 20 lbs. The minimum sign display height is 12".
This stand is MASH tested, NCHRP-350 approved, and made in the USA. Temporary traffic control is addressed in Part 6 of the MUTCD 11th Edition; sign and stand use should follow the traffic-control plan, site conditions, manufacturer instructions, and the authority responsible for the work.
Complete the setup with a compatible 36" or 48" roll-up sign face and rib assembly.
Additional information
Hardware, Posts & Brackets
Shopping Cart
Manual on Uniform
Traffic Control Devices
Download or Search MUTCD Manual
Outsmart the Dark with 3M Diamond Grade DG3 Reflective Sheeting
Using science to turn black spots into bright spots. Black spots are places where the number of crashes is higher than average. Often the reason for black spots is the physical configuration of the road or intersection, such as:
• Sharp corners in a straight road, concealing oncoming traffic
• Hills or winding roads that limit visibility ahead
• Hidden junctions and intersections
• Poor or concealed warning signs
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