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PERMATANK®: F922 – Specification for PERMATANK®

Revised: February 2017 PDF Format

Manufacturing specification to build a  steel corrosion control underground storage tank, that combines an steel inner tank within a fiberglass reinforced outer container.




This specification covers a method of underground exterior corrosion control for steel tanks. The method combines a steel inner tank within a fiberglass reinforced plastic outer containment and can be equipped with an optional interstitial leak detection monitoring system.

Table of contents contains; Definitions, Compliance, General Requirements, Electrical Isolation, Tightness Testing, Application of Outer FRP Containment Wall, Completion

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