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OWENS CORNING Roofing Products

More than Just a Roof

The Owens Corning brand is a trusted market leader in roofing shingles, underlayment and components products. A brand known for it’s good looks, and longer durability.

Owens Corning roofing offers one of the best roofing warranties in the roofing industry, across all varieties of product designs to suit your roofing taste.

To find out more, get in touch with us, your Owens Corning preferred roofing contractor.

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Owens Corning Preferred Roofing Contractor

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 Owens Corning Preferred Roofing Contractor. 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. Prior to their certification, Owens Corning Preferred Roofing Contractors must meet certain strict criteria.

As Owens Corning Preferred Roofing Contractors, Grandmark Roofing takes care of your entire roofing project from the start to finish. We use reputable products from Owens Corning, a worldwide leader in roofing materials for more than 65 years. Plus, you can choose the enhanced coverage of the Preferred Protection Limited Warranty, which you can only get from a Preferred Roofing Contractor.

You do not have to worry about your roofing decision. Rather, add first-rate workmanship, outstanding products and lasting peace of mind. Choose an Owens Corning Preferred Roofing Contractor like Grandmark.

Your Preferred Roofing Improvements
and Solutions Provider

We are Grandmark Roofing, 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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