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About Us

For 20 years we have been working on the development of first class products with the highest quality materials for our costumers. Our metal roll up doors have an ideal structure and design to withstand any workload that is imposed on them, from those for self storage to those for industrial platforms. We’ve more than 20 years of experience that support our expertise in the self storage industry.

A leading roll up doors manufacturer over 20 years

At SSCORNERSTONE INC. we are proud to know that we are the global leaders in the development of mini warehouses projects in addition to having a complete line of roll up doors that adapt to the demands of the self storage commercials, and industrial markets. Each of our proposals are elaborated by specialized engineers who develop plans adapted to the space and needs of each project.

What do we offer?

We deliver innovative and succesful results in every project. Our curtains are designed and manufacturer with the highest quality materials and state of the art technology , from our SS65 model to our SS200 model, making us the global leader in turn key self storage project construction solution.

Mini warehouses manufactured

Projects development

m2 installed

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Get In Touch

(888) 123-4562


2345 Divi St
San Francisco, CA 94222


Open Hours

Mon:10am – 5pm
Tue: 10am – 5pm
Wed: Closed
Thur: 10am – 5pm
Fri: 10am – 3pm
Sat: 10am – 3pm 
Sun: Closed

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