Roofing by Hernandez is a certified installer of GAF materials – including their unbeatable shingles. We recommend these incredibly durable shingles to each of our clients – as well as similar products from Owens Corning. We maintain a close relationship with both manufacturers and our certification means we can pass on their manufacturer’s warranty after installation. And, that’s on top of our own satisfaction guarantee which comes with all of our roofing work, so you have absolutely nothing to lose by calling (312) 439-0556 today to work with the best shingle roofer in all Chicagoland. One call is all it takes to start planning your new shingle roof with the best in the business!