Solar energy offers numerous benefits, but as a homeowner, you may have some questions before getting started. One of the most common questions is, “Do solar panels harm your roof?”
When Do Solar Panels Damage Your Roof?
Solar units can potentially damage your roof if they are not installed correctly. The use of low-quality solar panels and improper installation may lead to roof issues. Here are some potential problems:
- Water damage: Poor placement of solar panels on your roof can hinder water flow to the rain gutters, causing water to pool and potentially lead to leaks in your home and roof.
- Fire risk: Although rare, defective panels can pose a fire risk. A German risk report found that out of 430 solar system fires, 210 were attributed to design flaws.
- Structural damage: If the installation compromises the structure of the building or the health of the roof, it can become a structural problem.
- Incorrect removal: Improper removal of solar panels can also cause damage to your roof.
It’s crucial to ensure proper installation and maintenance to mitigate these risks and enjoy the benefits of solar energy without harming your roof.
How Can Roof Damage Be Prevented?
Certified solar companies in the industry will assess your roof to determine its suitability for solar panels. For a roof to be suitable, it must be structurally sound and capable of supporting the weight of the solar panels. Mounting panels on the ground can be an alternative to avoid roof damage. Consider the following factors to prevent damage:
- Structure height: The taller your house, the higher the risk of damage during installation, and accidents may be more common.
- Wind and seismic loads: If your house wasn’t built to withstand earthquakes or strong winds, your roof may be more vulnerable.
- Roof age: Older roofs are more susceptible to damage, so consider the age of your roof.
- Roof slope: The optimal slope for solar panels is between 45 and 85 degrees.
- Roof materials: Avoid installing solar panels on wooden roofs, as they can easily crack when drilled and pose a fire risk. Opt for asphalt, metal, tiles, or tar-gravel blends, which are better-suited materials.
It is recommended to install solar panels after replacing your roof to prevent damage. Both roofs and solar panels should typically be replaced every 20-30 years.
This post was written by Daniel Massaad, owner and expert solar technician at Energy Solutions Direct! ESD is the top choice for solar panels in Tampa! Our licensed and certified contractors are masters of their craft; with years of experience servicing the great Tampa Bay area and beyond, the choice is simple. ESD excels at offering you the best in solar value!