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GAF Protecting what matters most

Over a Century Protection for Homes and Businesses

The GAF shingles are have commendable features, with ideal combination of strength and beauty. They are constructed of high-wind, impact-resistant materials that will protect the most extreme weather conditions. They are extremely crack-and split-resistant, and they do not shrink or warp under either hot or cold weather conditions.

GAF shingles are an easy way to cover your home or any other building with the appropriate length and design of a metal roof. This is why it is usually the first choice for every North American. Proper installation of these shingles will ensure that you avoid the category of those who constantly have something to complain about when it comes to the topic of metal roofs.

Architectural Shingle

Commercial Roofing Sacramento

Commercial Roofs

Residential Roofs

Your Preferred Roofing Contractor

We are the top choice for your GAF roof installation. One of the most important decisions you take as a home owner is purchasing a new roof. So choose the right roofing contractor for the job – an Grandmark is your preferred roofing contractor in Fresno Ca, and surrounding. You’ll get high quality work, outstanding customer service and the peace of mind that comes with knowing you’ve made the right decision about your roofing investment. 

As your preferred roofing contractor, Grandmark takes care of your entire roofing project from the start to finish. We use reputable products from GAF, a worldwide leader in shingle roof.

GAF roofing products offer superior features and benefits, Dedicated to quality and detail when it comes to your roof giving you a sustainable roof.

The company has been providing quality roofing products of great beauty, and premium, all-natural materials for everlasting durability.

You do not have to worry about your roofing decision. Rather, add first-rate workmanship, outstanding products and lasting peace of mind. Choose an excellent roofing contractor like Grandmark, to protect your home and business with GAF Shingles.

Your Preferred Roofing Improvements
and Solutions Provider

We are Grandmark, your preferred roofing improvements and solutions provider, the top choice of those in California, and the surrounding counties who are satisfied with only the very best when it comes to their roofing installation, repair, and maintenance needs. Our costs are competitive, even though we use high-quality materials.

We mean it when we say “Excellence is Our Watchword.” In our workmanship, our clients see excellence. Excellence in the quality roofing products we procure from renowned manufacturers, and excellence in rendering quality customer care and service.

No matter the size of the job, you can expect nothing less than quality performance and workmanship from start to finish, whether the work is being done by an individual, or by a crew. Insofar as the roofing material is concerned, we offer a wide selection of roofing material types, styles, colors, and textures.

Our work comes with guarrantee. We back up that guarrantee with a 2-year warranty that takes care of any defects in workmanship, although “defects in workmanship” is not in our service book.

We will not guarantee the lowest prices you will find anywhere, largely due to the high quality of the products and materials we use. You will, however, find our prices extremely competitive. Our workers are fast and efficient, enabling us to keep our labor costs to a minimum. Since our estimates are based upon on-site inspections, you can expect an accurate evaluation of what the final cost will be.

You can also rely on us for ongoing roof maintenance, as well as offering suggestions or recommendations on steps you can take to extend its useful life. We have worked hard to become the premier provider of roofing products and services in the area. We have built up a large base of satisfied customers, and we look forward to the opportunity to make you a satisfied customer as well. 

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