Strength you can rely on. Upgrade and save with CGI.
At CGI, we understand the importance of upgrading your home or commercial building with high-quality windows and doors that not only provide energy-efficient solutions but also stand strong against harsh weather conditions. As a trusted partner of builder professionals, we've made it our mission to deliver top-notch products that meet the needs of our valued customers.
Our Story
With years of experience in the industry, we've built a reputation for providing exceptional impact windows and doors that exceed our customers' expectations. Our commitment to quality, strength, and flexibility has earned us a spot as a leading supplier of hurricane windows and doors that meet the strict Miami-Dade requirements. We take pride in our rigorous testing processes, ensuring that our products can withstand even the most severe weather conditions.
Our Services
At CGI, we offer a wide range of services designed to cater to homeowners, professionals, and authorized partners. Our products are crafted with the utmost care, ensuring that they not only provide protection but also add aesthetic value to your property. Some of the services we offer include:
- Impact windows and doors for homeowners, providing energy-efficient solutions and strength against harsh weather conditions
- Resources and support for professionals, including dealer login, architect login, and approvals & certifications
- Care and maintenance tips for homeowners, ensuring that their windows and doors remain in top condition
- Warranty registration and claim services, ensuring that our customers are protected and supported
Our Products
We're proud to offer a diverse range of products that cater to various needs and budgets. From aluminum impact windows and doors to Sentinel products, we have something for everyone. Our products are designed to provide protection, energy efficiency, and aesthetic appeal, making them a valuable addition to any home or commercial building.
Quality and Durability Issues
Many reviewers have reported significant issues with the quality and durability of CGI windows and doors. Finish problems, such as missing powdercoat finish and rough edges, have been mentioned, as well as manufacturing defects, like cracks in glass and pitted glass. Some reviewers have also reported problems with condensation and mold growth.
Installation and Customer Service Issues
Several reviewers have had negative experiences with the installation process, including issues with faulty installations and difficulty getting problems resolved. Customer service has been criticized for being unhelpful and unresponsive, with some reviewers stating that they were passed around between CGI and Lowe's without receiving a solution to their problems.
Warranty and Return Issues
Some reviewers have reported difficulties in getting CGI to honor their warranty or return defective products. This has led to frustration and disappointment among customers who feel that they are not being supported by the company.
Lack of Accountability
Some reviewers have criticized CGI for not taking responsibility for their products and services, with some stating that the company blames other parties or passes the buck instead of taking action to resolve issues.

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