Double‑Wall & SAFE‑Tank® Containment Systems
Dual-layer tanks engineered for secondary containment, chemical resistance, SPCC compliance, and environmental safety — ideal for hazardous, potable, or industrial storage.
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Double‑Wall Tank Specs at a Glance
Construction:
Primary + secondary containment
Primary + secondary containment
Materials:
HDPE or XLPE (rotomolded)
HDPE or XLPE (rotomolded)
Capacity:
55–10,500+ gallons
55–10,500+ gallons
Certifications:
SPCC, FDA, NSF (optional), UL‑rated
SPCC, FDA, NSF (optional), UL‑rated
Drainage:
Primary center/offset + containment port
Primary center/offset + containment port
Fittings:
Manways, vents, bulkheads, sensors
Manways, vents, bulkheads, sensors
Monitoring:
Leak sensors or sight tubes
Leak sensors or sight tubes
Standards:
SPCC (EPA 40 CFR 112), ASTM, UL 142
SPCC (EPA 40 CFR 112), ASTM, UL 142
LibertyCES Approved Vendors
Poly Processing
SAFE‑Tank® dual-wall system up to 10,500 gal, NSF & chemical rated
SAFE‑Tank® dual-wall system up to 10,500 gal, NSF & chemical rated
Snyder Industries
Double-wall tanks for industrial & potable liquids; SPCC compliant
Double-wall tanks for industrial & potable liquids; SPCC compliant
DenHartog (Ace Roto-Mold)
Bunded tanks, flexible fittings & containment systems
Bunded tanks, flexible fittings & containment systems
Norwesco
Dual containment models for regulated, non-potable fluids
Dual containment models for regulated, non-potable fluids
Common Applications
💧 Water Treatment
Sodium hypochlorite, neutralization, polymer tanks
Sodium hypochlorite, neutralization, polymer tanks
🧪 Chemical Handling
Oxidizers, caustics, acids, chemical skids
Oxidizers, caustics, acids, chemical skids
🏛 Municipal & Utilities
SPCC-compliant containment for public systems
SPCC-compliant containment for public systems
🏭 Manufacturing
Closed-loop chemical process tanks and blending
Closed-loop chemical process tanks and blending
🧼 Food & Beverage
Ingredient water, sanitizers, cleaning solutions
Ingredient water, sanitizers, cleaning solutions
🔥 Fire & Safety
EPA & insurance containment compliance tanks
EPA & insurance containment compliance tanks
Common Questions — Double-Wall Tanks
“Do I still need a containment berm?”
❌ No — double-wall tanks eliminate the need for external containment.
❌ No — double-wall tanks eliminate the need for external containment.
“Can this be used for drinking water?”
✅ Yes — if NSF/ANSI 61 certified and used with potable water only.
✅ Yes — if NSF/ANSI 61 certified and used with potable water only.
“What happens if the inner tank leaks?”
🧠 Liquid stays in the outer wall; visible via leak port or sensor.
🧠 Liquid stays in the outer wall; visible via leak port or sensor.
“Can I monitor leaks remotely?”
✅ Yes — we offer SCADA-ready sensors and alert systems.
✅ Yes — we offer SCADA-ready sensors and alert systems.
“Will you install fittings or ports?”
✅ Absolutely — LibertyCES offers pre-installed accessories to spec.
✅ Absolutely — LibertyCES offers pre-installed accessories to spec.
Need help choosing the right tank, resin, or monitoring setup?
Our engineers will guide you through it — from SPCC to NSF.
LibertyCES Water Storage Tanks — Vertical, Horizontal, Cone & Double‑Wall
From everyday potable storage to heavy-duty chemical systems — get the right tank, pre‑configured, code‑compliant, and ready to install.
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