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Expert Contribution

The Overlooked Foundation for Solar Success

Marple Friends & Neighbors, March 2024

Solar is a great investment for many reasons. It allows you to reduce your carbon footprint, save on energy bills over time and protect yourself from inflation. When considering solar, don’t forget about a crucial and often overlooked component: your roof!

A good roof is the foundation of your solar system. It needs to be properly installed and in good condition. Otherwise, you might end up with a leaky roof, a voided warranty or a costly removal and reinstallation of your solar panels.

Here are some tips to make sure your roof is ready for solar energy:

  1. Get a Roof Inspection – A qualified roofer can assess the condition of your roof and tell you if it needs any repairs or replacements. Solar panels are warranted for 25 years, so you want your roof to last at least that long too. If your roof is nearing the end of its lifespan, it might be better to replace it before installing solar panels. This eliminates the hassle and expense of removing and reinstalling your solar panels later.
  2. Waterproofing is Key – Attaching solar panels involves making holes in your roof. There are dozens, and in some cases, hundreds of penetrations. Make sure the solar contractor knows how to seal these holes properly with proven flashing products and methods. Improper flashing can result in leaks.
  3. Check your Warranty – Installing solar can impact your roof’s warranty. Some manufacturers or roofing installers may void it, leaving you high and dry if any roof issues pop up. To avoid this, talk to your roofing contractor before going solar. Get their approval in writing to be safe. You don’t want to risk losing your warranty over a simple misunderstanding.
  4. Choose the Right Contractor – Opt for a contractor who can handle both your roof and solar. This gives you a single source of warranties for both, and no one can pass the blame if something goes wrong. A high-quality solar installation can only be achieved when there is also a strong knowledge of roofing systems.

Solar and roofing truly go hand in hand. In a perfect world you should hire a contractor who specializes in both. Replacing your roof before a solar installation can be an unexpected expense, but in many cases, the savings from solar will offset the cost of the new roof. Even if a roof replacement is not required, considering both aspects of the project will save you from some serious headaches in the long run.


About The Author

Roofing, Siding & Carpentry
Kevin O'Donnell
O’Donnell Roofing Co.
610-624-8112
O’Donnell Roofing Co. is dedicated to being the premier provider of roofing contracting services for the Main Line and surrounding counties. Their reputation of professionalism, strong workmanship and dependability started at the beginning and still stands after four generations — 100 years of service!
Still a family company at heart, with Kevin O’Donnell at the helm, whose experience dates back to his teenage years when he began working with his father. Now, he takes a hands-on approach to running the company and doesn’t hesitate to roll up his sleeves to get the job done right.
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