Trekroofing Services At Trekroofing, we understand that there are different roofing solutions that our customers may need. This is why we offer a large range of services that customers can utilize. Whether you need repairs done to an existing roof or you need a new roof installed, we offer services that will be customized to the requirements of your project. Roof Repair Services As a providing of roofing service in Chicago, Trekroofing considers itself an expert when it comes to the repair of existing roofs. The installation of a roof is an investment, whether the roof is installed on a residential or a commercial building. Without proper maintenance, the roof is at risk of many problems.