Designed to work together, the CertainTeed family of products provides countless options to create the space you’ve always dreamed about.
CertainTeed is the largest manufacturer of building materials in North America. They offer a wide range of products, including shingles, siding, and roofing. We use CertainTeed products on our projects because they provide exceptional quality and value.
A superior roof is stronger than the sum of its parts. A quality roofing system involves the underlayments, shingles, accessory products, and ventilation all working together. Day after day, year after year. At CertainTeed, we call that the Integrity Roof System®. The Integrity Roof System is designed to provide optimum performance — no matter how bad the weather conditions are.
To become a SELECT ShingleMaster, a company must:
Have been in business for at least 5 years, or have been a ShingleMaster™ for 1 year.
Ensure 50% of your shingle installation crew, plus all job supervisors, are MSA-qualified (not more than a combined total of 50 MSAs are required).
Employ a current Shingle Quality Specialist™.
Company owner passes the Business Fiscal Responsibility™ exam.
Hold current worker’s compensation insurance, as required by law, and liability insurance covering roofing.
Grennan Construction is home to a team of dedicated, professional, siding and roofing installers. We have been transforming homes in Oakland County for over 20 years. As a CertainTeed Select ShingleMaster we work closely with CertainTeed, to ensure the products are installed properly and that our customers get the best warranty in the business.
CertainTeed roofing shingles are the best solution if you want to protect your home from the elements while maintaining its desirability at the same time.
CertainTeed siding is an excellent choice for many homes. It’s easy to install, offers a variety of styles and colors, and costs about the same as vinyl siding.
CertainTeed siding’s durability makes it a long-lasting product that can retain its appearance for decades.
We are a full-service construction company specializing in roofing, siding, gutters, and windows.
We’re based in Oakland County and service the cities of West Bloomfield, Bloomfield Hills, Birmingham, Rochester, and Troy.
We can improve your home with new roofs and siding to provide you with better energy efficiency and curb appeal.
Financing for new and remodeling projects is available through Synchrony.
Customer service is important to us. We want you to be happy with your purchase, and we want to make sure our products are correctly installed on your roof.
Our customer service team is willing to help answer any questions you may have about CertainTeed shingles or siding or any other aspect of our business.
As a leading lender in the U.S., Synchrony Bank offers a variety of financing options to help you make your home improvement dreams come true.
With an array of products available, you can find what works best for your project and budget.
CertainTeed is the leading manufacturer of residential and commercial building materials.
CertainTeed is committed to providing reliable products, superior service, and continuous innovation to home builders and remodelers.
CertainTeed Certified Installers are trained to install CertainTeed products for your next building or remodeling job.
Contact Grennan Construction to learn more about financing through Synchrony Bank for your next building or remodeling job!
Whether you’re looking to improve your home’s energy efficiency or just want to replace some old worn parts, CertainTeed has a product to fit your needs at an affordable price.
Get your free estimate today, and let’s discuss how an investment in your home with CertainTeed products will pay off in ways you can’t imagine.
Join over 3.5K Oakland County residents by signing up for our informative, monthly newsletter.
Since 1988 we have been serving our community by providing the best roofing and siding services in Oakland County. Today, sign up to receive monthly updates, home maintenance advice, and special deals available only through our email newsletter.