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Outdoor Security Convex Mirror with Safety Border Warning - Heavy Duty Plastic Backing
3 configurations · from $131.00

Convex Mirrors for Security and Safety Applications · Driveway Mirror & Traffic Mirrors
SKU CVO-SB
Starting configuration
Starts at $131.00 for the 18″ / double telescoping build. Larger sizes and wind-rated brackets update the final price in the live options table below.
3 configurations available. Choose your size and bracket in the options table below to lock the exact SKU and final price.
Our standard outdoor convex mirror for everyday traffic and facility use. Commonly used in parking garages, as a traffic mirror, and at dangerous intersections to prevent accidents.
Best for
Sizing help
Use the 1 inch = 1.5 feet guideline as a starting point, then adjust for vehicle speed, lighting, mounting height, and obstructions.
Acrylic gives most sites the right balance of clarity, shatter resistance, and price. The 1/8 in. heavy-duty plastic backing stands up to years of sun, rain, wind, and salt air.
Available options · 3 SKUs
Every configuration ships with the bracket included. Not sure which to choose? Use the sizing guide or talk to an expert.
| SKU | Size | Bracket | Covers* | Price | Description | Qty | Add |
|---|---|---|---|---|---|---|---|
DCVO-18T-SB | 18″ | Double telescoping | up to 27 ft | $131.00 | 18 inch Acrylic Convex with Heavy Plastic Backing & Double Telescoping Bracket | ||
TCVO-26T-SB | 26″ | Triple telescoping | up to 39 ft | $219.00 | 26 inch Acrylic Convex with Heavy Plastic Backing & Triple Telescoping Bracket | ||
TCVO-30T-SB | 30″ | Triple telescoping | up to 45 ft | $270.00 | 30 inch Acrylic Convex with Heavy Plastic Backing & Triple Telescoping Bracket |
* Coverage estimate uses the 1-inch = 1.5-foot guideline from the NSM sizing guide.
We can quote mixed-SKU orders, help choose the bracket mix, and check freight before you place the order.
Product details
All brackets ship with mounting hardware and instructions. Most installations take under 15 minutes.
What’s the difference between Z and telescoping brackets? Z-brackets are rigid and fine for small indoor mirrors. Telescoping brackets have an adjustable arm that gives the mirror play in wind — mandatory for outdoor use and strongly recommended for 18″+.
Does acrylic yellow in the sun? Our acrylic is UV-stabilized. Unlike low-grade imported mirrors, it will not haze or yellow over normal outdoor life.
Can I get a custom SKU? Yes — if your size, backing, or bracket is not listed, contact us for a custom quote.
Our U.S.-based team can help size the mirror, choose the bracket, and quote the order.
This is a standard outdoor safety mirror with an acrylic mirror and high-density polyethylene security mirror backing that also features a safety border (yellow and black checkered) around the outer edge of the mirror. This provides a safety notice to people when glancing at the mirror, advising them to use caution. The outdoor acrylic convex mirrors featured on this page have a high-profile safety border to draw awareness to the mirror.
The outdoor acrylic mirrors featured on National Safety Mirror are bright, durable mirrors that can withstand the demand of outdoor use in both hot and cold climates. The high-density polyethylene (HDPE) is a 1/8-inch thick plastic durable enough to withstand extreme weather conditions, hot & cold, wet & dry.
All of the acrylic convex mirrors featured on our website have an aluminum channel riveted through the acrylic rim to protect the edges against wear and tear.
Our outdoor acrylic convex mirrors are available in 18'', 26'', and 30'' sizes and offer a 160-degree view. As a rule of thumb, each inch in mirror size provides roughly one foot of viewing distance. For example, a 26'' inch convex mirror will provide views of objects 26 feet away.
All outdoor acrylic convex mirrors with a safety border featured below are shipped with a telescoping mounting arm. Depending on the model, each will have double or triple telescoping mounting arms. At the end of the mounting arm, where the arm connects to the mirror backing, the arm is adjustable left or right, and the telescoping length may be adjusted. A smaller plate with holes in each corner is at the other end of the mounting arm.
These are typically mounted on a 4'' x 4'' wooden post or a pole using U-brackets.
Backing: Plastic Backing
Bracket Type: Telescoping Bracket
Convex Mirror Size: 18 inch, 26 inch, 30 inch
Indoor/Outdoor: Outdoor Rated
Lens Type: Acrylic
Qty of Brackets: Double, Triple
Mounting PDFs
Download the matching installation sheets or review the Convex mirror mounting FAQ.
Most National Safety Mirror orders ship quickly from the USA. Exact lead time depends on the product family, size, and bracket configuration selected.
If you need a bulk quote, project guidance, or confirmation before ordering, you can request a bulk quote or call NSM at 678-214-3440 before checkout.
Why are convex mirrors recommended for driveways, alleys, and parking garage exits?
These areas often have blocked sight lines caused by walls, fences, vehicles, landscaping, or tight turns. A convex mirror gives drivers a wider view of cross traffic and pedestrians before they pull out, turn, or back up.
How do I work out what size traffic mirror I need for a blind bend?
Start with viewing distance and vehicle speed. The 1 inch of mirror diameter per 1.5 feet of viewing distance rule is a useful baseline, then size upward for faster approaches, long sight distances, or complex junctions.
What is a traffic safety mirror?
A traffic safety mirror is a convex mirror used to improve visibility at roadways, driveways, blind bends, parking lot exits, and vehicle intersections. It helps drivers see cross traffic and pedestrians where direct line of sight is limited.
What is a convex mirror and how does it work for safety?
A convex mirror curves outward to expand the field of view. It helps people see around corners, vehicles, walls, racks, and other obstacles. Convex mirrors are commonly used at driveways, alleys, loading docks, parking garages, warehouses, and blind intersections.
See more questions in the full FAQ.
Related guides
Compare similar mirrors, check the mounting options, or read up on sizing before you order.
Compare weather-rated mirrors for driveways, roads, and lot exits.
Use the backing guide before settling on weather-exposed traffic mirror materials.
Post, wall, and wind-exposure guidance for outdoor installs.
Placement and sizing advice for outdoor driveway and traffic mirrors.
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