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Join over 3.5K Oakland County residents by signing up for our informative, monthly construction 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.

PAST CONSTRUCTION NEWSLETTERS

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We provide valuable homeowner tips and advice in each construction newsletter, along with special deals and insights about our company, Grennan Construction.

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OUR ROOFING AND SIDING BLOG

At Grennan Construction we believe in providing consumers with the information, skills, and abilities needed to become more informed homeowners.

Residential roofing contractor complete new roof after photo
HOW OFTEN DOES A ROOF NEED TO BE REPLACED?
Are you wondering, how often does a roof need to be replaced? Determining when exactly you need a replacement depends on a lot of factors.
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Roofing Cost Calculator
HOW MUCH DOES A NEW ROOF COST?
Are you wondering, how much does a new roof cost? Replacing your roof may seem like a straightforward process, but countless factors affect the cost.
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Homeownder creating a savings plan for a new roof
HOW TO PAY FOR A NEW ROOF
It’s easy to think a roof replacement is out of the budget. This article shares tips, ideas, and options on how to pay for a new roof and save money.
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WHAT OUR SATISFIED CUSTOMERS SAY

KIMBERLY JOHNSON

“Did a great job helping devise solutions for problems with a 98-year-old historic home. Carpentry & paint skills excellent! Good communicators. Always knew what to expect.”

TYLER EASH

“I had a masonry job on my late 1920s home and Grennan Construction did an absolutely outstanding job. I would definitely use them again in the future!”

JERRY GRUBB

“I’ve used Grennan Construction for repairs and upgrades to my home and business. Fred and his crew have always done a great job at a reasonable price.”

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