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Welcome to CIS online! CALL 1-800-830-7888
From a simple hole in your roof to complete roof replacement, CIS is the "Go To" and trusted commercial roofing, waterproofing and solar contractor for many commercial property owners nationwide. We have been solving our customers' water intrusion problems since 1992. Headquartered in Southern California, we offer services in CA, AZ and in NV.

We pride ourselves on excellent workmanship and complete customer satisfaction. Each customer is treated as if they are our only customer. We are proud of our excellent reputation, and our customers sleep soundly under their roofs knowing that we have never installed a roof system that has failed, nor have we ever failed to find and solve a leak problem.

One of the reasons we are so successful is our highly-trained and dedicated work force. Our technicians know how to perform their jobs safely and efficiently and pride themselves on installing the best systems possible - every time.

We only work with products from proven manufacturers to insure that you will receive a roof or waterproofing system of the highest quality. We stand behind (and on top of) every system that we install and will be there in the future for all your planned projects. And, no matter the size, we can handle the project.

Quality, integrity, experience and a desire to do it right - the FIRST time, rain or shine - 24 hours a day, 364 days a year.

CIS is Your Roofing, Waterproofing and Solar Solutions Company.
Roofing Contractor Magazine
"Winning Formula" (June 2013)
CIS featured on CNBC about El Nino - Watch Now!

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