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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.
Tripod Stand for Roll-Up and Rigid Signs
Note: Select your size and other options to view specific price.
$44.63
Tripod Stand for Roll-Up and Rigid Signs is an economical all-purpose stand that supports 36" to 48" roll-up and rigid signs. Its powder-coated steel tripod frame is easy to deploy, folds compactly for storage, and is intended for low- to medium-wind conditions.
- Holds 36" to 48" roll-up and rigid signs
- Accommodates signs as small as 18"
- Powder-coated steel construction
- Closed size: 2" x 4.5" x 62"; open size: 48" x 57"
- Weight: 10 lbs.
- MASH tested
The Tripod Stand for Roll-Up and Rigid Signs is an all-purpose economy stand for crews that need one portable support for both flexible roll-up signs and rigid sign panels. It accommodates 36" to 48" signs in either format, while also accepting signs as small as 18".
The powder-coated steel tripod opens to approximately 48" x 57" and folds to a compact 2" x 4.5" x 62" for transport and storage. At 10 lbs., it is easy to move between locations and is intended for low- to medium-wind conditions.
The stand is MASH tested. For temporary traffic-control use, the complete sign-and-stand assembly should be selected and deployed according to the traffic-control plan, site conditions, manufacturer instructions, and the authority responsible for the work.
For roll-up sign use, pair the stand with the compatible sign face and rib assembly. For rigid-sign use, confirm the panel size and mounting hardware required for the stand.
Additional information
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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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