Ultra Containment Wall M2
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Modular Hard Wall Spill Containment
Ultra-Containment Wall M2
A versatile, modular system designed for effective, long-term containment of large spills around tanks, equipment, vehicles, containers, and industrial operations.
Interchangeable straight and corner sections make it possible to create containment areas in virtually any size or shape, with one-foot, two-foot, and three-foot wall heights.
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FreestandingNo ground attachment required
ModularBuild nearly any size or shape
ReusableDisassemble and relocate
High CapacityApproximately 6,200–18,600 gallons
Long-Term Spill Protection
Create Large Containment Areas Without Permanent Construction
The Ultra-Containment Wall M2 is designed for effective, long-term containment of large spills. Interchangeable straight and corner wall sections allow users to build containment areas around existing equipment without permanently attaching the wall system to the ground.
Its freestanding construction makes it suitable for parking lots, sand, rocky soil, muddy ground, frozen terrain, concrete, and other surfaces where permanent curbing may be impractical.
- One-, two-, and three-foot wall heights
- Interchangeable straight and corner sections
- 30-mil textured polyethylene liner
- Reusable and relocatable components
- Large semi-permanent containment areas
- Supports SPCC and 40 CFR 264.175 compliance

Product Highlights
Modular, Durable and Reusable
The system combines rigid wall sections with a durable polyethylene liner to create high-capacity containment areas for demanding industrial applications.
Easy Modular Assembly
Straight sections and corners connect to create containment areas in nearly any practical size or shape.
30-Mil Polyethylene Liner
A robust textured polyethylene liner creates a durable, impermeable barrier for capturing leaks and spills.
Greater Gallon Capacity
Taller walls provide significantly more containment capacity than many shorter-wall or low-profile systems.
Freestanding Design
No ground attachment is required, making the wall suitable for a broad range of indoor and outdoor surfaces.
Reusable Construction
The wall system can be disassembled and reused at future locations as site requirements change.
Regulatory Support
Designed to support SPCC requirements and EPA Container Storage Regulation 40 CFR 264.175.
Available Wall Heights
Choose the Capacity and Access Profile
1′Lower-profile containment with easier equipment access
2′Higher-volume protection for larger tanks and machinery
3′Maximum standard wall height for major spill capacity
Product Gallery
Ultra-Containment Wall M2 Configurations






Complete Kit Capacities
Large-Volume Secondary Containment
Complete kits are available with capacities ranging from approximately 6,200 to 18,600 gallons. Final capacity depends on the wall height, footprint, liner dimensions, and overall layout.
6,200Approximate gallons
12,400Approximate gallons
18,600Approximate gallons
Frequently Asked Questions
Ultra-Containment Wall M2 FAQs
What is the Ultra-Containment Wall M2?
It is a freestanding modular hard-wall containment system designed to create large, long-term secondary-containment areas around tanks, machinery, equipment, and liquid-storage operations.
Does the wall system attach to the ground?
No. It is freestanding and can be installed on parking lots, sand, rocky soil, muddy ground, frozen terrain, concrete, and other surfaces.
Which wall heights are available?
Standard wall heights include one foot, two feet, and three feet.
What liner is used?
The system uses a robust 30-mil textured polyethylene liner.
Can the wall be reused?
Yes. The modular wall sections can be disassembled and reused at future locations when the components and liner remain suitable for service.
What capacities are available?
Complete kits are offered with approximate containment capacities ranging from 6,200 to 18,600 gallons.
What information should be included with a quote request?
Provide the required containment capacity, equipment dimensions, available footprint, preferred wall height, liquid type, ground conditions, project location, and application photos.
Modular and Custom Configurations
Request an Ultra-Containment Wall M2 Quote
Send DockStar your containment-volume requirements, equipment dimensions, available footprint, wall-height preference, liquid type, ground conditions, quantity, and application photos.
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