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CST Covers engineers and manufactures custom aluminum vaults and covers for bulk storage application in many different industries.

Vault Storage Cover

Vaults are a solution for materials such as limestone, clinker, alumina, coke or other aggregates.


Custom Aluminum Vaults

CST Covers can custom engineer and manufactures aluminum vault structures for a variety of different applications. Our experience in building geodesic dome structures and custom architectural space frames give us the ideal background to provide the right vault cover solution for your needs.

Contact CST Covers with your specific application information and our professional engineers will design a solution that is functional, flexible and provides you with a low maintenance solution that will last a lifetime.


Coal Storage – Power Generation

Bulk coal storage facilities and other dry fuel storage demand protection from the environment to deliver maximum fuel efficiency in power generation. A CST Covers vault solution will be flexible to meet the needs of your operators while protecting the fuel source from direct environmental elements.

Bulk Raw Materials

Many industrial manufacturing operations have large bulk raw materials storage needs. These materials such as limestone, clinker, alumina, coke or other aggregates many times need to be protected form the environment but without hampering operations. A custom CST Covers vault meets those demands.

Transportation – Infrastructure

Dry bulk aggregates are used in highway and infrastructure construction and maintenance and are stored outside in the elements in many facilities. CST Covers vaults protect these materials gaining our customers maximum utilization of the materials in the field.

Terminal Storage

Large port and terminal facilities handling import and export of large quantities of bulk materials are served well by CST Covers vault designs.