Installing solar panels is a smart move for homeowners looking to save on energy costs and reduce their environmental footprint. However, a common question arises early in the process: Will installing solar panels require a roof replacement? The answer depends on many factors, mainly the condition, age, and type of your current roof. Before we begin the installation process, our team will assess your property and your roof to determine whether or not you need to replace it.
Does your home require a roof replacement before installing solar panels? Here are the primary factors to consider.
Consider the Age and Condition of Your Roof
Solar panels are a long-term investment, typically lasting 25 to 30 years. If your roof is already 15–20 years old, it may not last the whole life of your solar system. Installing panels on an aging roof could mean you’ll need to remove them later to replace the roof, an expensive and inconvenient process. That’s why many solar companies recommend replacing a roof that has less than 10 years of life remaining before installing panels.
Roofing Material Matters
The type of roofing material you have can also influence whether a replacement is needed. Asphalt shingles are the most common and generally work well with solar installations. However, if your roof is made of wood shake, clay tile, or slate, solar panel installation can be more complicated and costly due to their fragility. In such cases, replacing the roof or switching to a more solar-compatible material might be the best route.
Roof Structure and Suitability
Aside from age and material, structural issues like sagging, water damage, or poor insulation should be addressed prior to installation. These issues become more difficult to fix after you install solar panels, so it’s best to address them prior to installation. A solid, well-maintained roof ensures your solar panels are securely anchored and perform efficiently for decades.
Roof Replacement and Solar Panels | Sunday Energy
While a roof replacement isn’t always necessary before installing solar panels, the decision should be based on a professional inspection. Sunday Energy provides a free assessment to determine whether your home needs repairs or improvements before installing solar panels. During that assessment, we will also discuss your energy needs and determine the best way to bring renewable energy to your home.