Build a Heavy-Duty Perimeter with SONCO Concert Barriers

The StageGuard A-400 is a heavy-duty metal stage barrier corner piece that creates perfect 90-degree angles. It is specially crafted for reliability and longevity, manufactured to the standards of the American Society of Welders.

Learn more about this essential component of any secure perimeter and explore the full StageGuard range at SONCO.

Stage Barriers Systems Built to Last

The StageGuard A-400 is suitable for right and left-hand corners. Constructed of the toughest aluminum alloy, it has been independently tested for strength and durability. Use night and day, indoors and out, in any temperature or weather condition.


  • Strong aluminum alloy 
  • Weight: 114 lbs.  
  • Height: 47 in. 
  • Length: 69 in. 
  • Color: Silver 
  • Top rail
  • One-year manufacturer warranty 
  • Quick setup and removal
  • Hinged panels create angles
  • Steel connector pin and cable channel technology 
  • Interconnecting floor plates 
  • Ramp-style base with angled reinforcement bars (one per panel)
  • Recessed hooks to interlock panels
  • Adheres to the American Welding Society D1.2/D1.2M:2014 structural welding code for fabricating and erecting aluminum structures



Powerfully strong & lightweight aluminum alloy 


Versatile steel connector pin & cable channel  


American Welding Society-certified welding for heavy-duty use 


For easy transportation and convenient storage of up to 10 barricades 

Right-Angle Metal Stage Barrier for Complete Containment

The StageGuard A-400 is a necessity in any stage barrier lineup. In true SONCO style, it’s loaded with the features that every event manager is looking for.

Features and Benefits:

  • Compatible with many other barrier systems, including Mojo
  • Creates custom angles up to 90 degrees for the perfect perimeter
  • Interconnecting floor plates reduce tripping hazards
  • Flexible hinges and steel connector pins reduce setup time
  • Blow-through design preserves visibility for better surveillance
  • As light as it is strong, managing labor costs

Superior Crowd Control Stage Barriers for Every Show

With durable construction, easy deployment, and a long lifespan, StageGuard by SONCO is the most loyal and hard-working member of your security lineup. The panel design of our stage barriers complements the numerous accessories, gates, and other components of crowd security. StageGuard is always on time for the show to begin.

Every large-scale gathering benefits from strong perimeters, including:

• Portable stages
• Outdoor stages
• Theaters, arenas, and stadiums
• Rallies
• Festivals
• Sporting events
• Large conventions

Success Case

By using SONCO's lightweight stage barriers, our customers are able to deploy faster and more safely. And because the barriers are crafted to the standards of the American Welding Society, their staff had peace of mind when it came to durability and reliability. 

Can I pick up my order?

Most items are available for pick up trough appointment widows.

What is the delivery lead time?
Delivery times are included in the product page. Times are estimated for deliveries to commercial addresses and subject to change if any delays during transit with freight carriers outside of our control. If you need guaranteed freight for s specific date and time, please contact us. Deliveries made via Flat Bed shipping requires forklift to unload from the sides. LTL shipment requires a loading dock and forklift to unload.
Do you offer discounts for Distributors?

We do offer reseller discounts based on volume, please contact us at sales@soncostore.com for more information.

Is there an expedited shipping?

We can run multiple shipping options for you to compare price and delivery date. If you need your order by or on a specific date just let us know.

Do I have to pay sales tax?

We collect sales tax in the following states: CA, TX, WS, MO, TX, FL, PA, OH, MD, DC, MA, NY, NJ, IN. If have a tax exempt or have a valid tax exempt or reseller certificate we will refund the tax charges, if you buy online, or you can request a quote already without tax included.

Where are you located?

Click here to see all our warehouse locations.

Ask A Question
Powered by Top Rated Local®