NOW HIRING ROOFERS Click Here for Application! Roof Leaks? Click Here! Client Login | Online Roof by GLS (FCS) Home Roofs Sheet Metal Service Blog/Resources About Us Contact Us We're different. We ask. We deliver. Listen to What Customers Are Saying About GLS. Hastings MS Addn. Just wanted to let you know that it was a pleasure working with Jody and John, and the crew. It is nice to work with competent people, especially in the world we live in. You have a great bunch of guys there. Thanks Ron Jackson Wolgast Construction Services Your Complete Source for Single-Ply Commercial Roofs Roofing can be complicated. The reason Great Lakes Systems exists, is to simplify the roof process for our clients. Our clients either need a new roof, need roof leaks repaired or are investing in preventative maintenance for their roofs. We simplify the process by using state of the art assessment tools, years of experience and training, and have access to the best roofing products on the market, to provide the roof owner with the information they need to make roof decisions that work best for them. We don't presume to know what your needs are. We ask. Our goal is to provide you with the best information regarding your roof assets and offer options that fit the goals and budget that you have for your organization. We have provided this for our clients for 50 years and in the process have installed more than 10,000 roofs and serviced thousands more. How can we help you? See Which Option Jenison Public Schools Chose (It Saved Them Over $1 Million) (Click Here) I Have Questions! Recent Posts With the Right Information, Your Roof Can Save You Money This is How Jenison Public Schools Did It! Avoid This When Hiring a Roof Service Contractor! Time to Take a Look at Your Roof! FAQ's for Roof Preventative Maintenance Is Solar Viable? Great Lakes Systems, Inc. • 2286 Port Sheldon Court, Jenison, MI 49428 • 616.669.5300 • glsroof.com