In 1997, CSI designed the UL listed triple-wall fiberglass tank for use in environmentally sensitive areas where tertiary containment is required. The triple-wall tank design provides secondary containment for the standard secondary containment system. Triple-wall tanks offer three levels of containment protection: the proven strength and performance of a primary fiberglass tank, and in the unlikely event that there is a breach, secondary and tertiary walls designed to contain the fuel and prevent any spill into the environment.
Triple-wall petroleum tanks, like single and double-wall models, come with a standard 30-year structural and corrosion limited warranty.
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