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Do I Need to Replace My Roof Before Installing Solar Panels?

Updated: Jul 19, 2023

As you consider solar panels for your home, you may be wondering if roofing work is needed first. This will ultimately depend on what type of roof you have and what the current condition is.


If your roof is 20+ years old, it will more than likely be a good idea to replace it prior to the solar installation. Your solar panels will have a lifetime of 25+ years, so it may be more cost-effective long-term to replace your roof prior to the solar installation (since you won't need to worry about removing and reinstalling your panels in the future to prepare for roofing work).


We often come across roofs that are in borderline condition - not worn out enough that replacement is imminent, but not in tip-top shape either. You may want to consider replacing your roof before the panels are installed, so that the system can remain undisturbed for years to come. In these scenarios, there is no one size fits all answer as it will depend on your financial goals. OneSun can help you with a cost benefit analysis to weigh out your options.


If your roof is in good condition already and we determine that it is structurally sound to support the solar panels, replacing your roof will not be necessary.


Aside from the condition of your roof, the type of roof should also be considered. Solar panels can be installed on most roof types but not all. For instance, if you have a woodshake roof, a full roof replacement with new plywood will be needed prior to the solar installation. We also sometimes come across extremely fragile clay tile roofs. We can install on most tiles, but not the ones that are extremely lightweight. In this instance, we will resort to the composition shingle inlay method. This method will also preserve the aesthetics of your home, as the shingles will only be underneath the solar panels.


If you are unsure about your roof condition or roof type, OneSun will complete an assessment and make recommendations as needed. Contact us today for a customized solution!

(877)-662-0116

info@onesunsolar.net

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