Solar energy has become an increasingly popular choice for homeowners across Nevada and Placer County. While solar panels offer long-term energy savings, we have been seeing a growing number of roofing problems caused by improper solar installations—especially when solar panels are installed on older roofs.
At Valor Roofing, we want homeowners to understand the risks, what to look for, and how to protect their home before and after solar is installed.
Why Roof Age Matters Before Installing Solar
One of the most common problems we see is solar panels being installed on roofs that are already nearing the end of their lifespan. If your roof is 10 years old or more, it should always be professionally inspected before solar is installed.
Here’s why:
Solar panels are designed to stay in place for 20–30 years. If your roof is already halfway through its life, there is a high chance it will need replacement while the panels are still mounted. This leads to costly panel removal, storage, and reinstallation, often adding thousands of dollars to what could have been a simple roofing project.
Even worse, older shingles and underlayment are more likely to be damaged during the installation process.
How Solar Installations Can Damage a Roof
Solar mounting systems require hardware to be drilled directly into the roof structure. When done correctly, these penetrations are carefully flashed and sealed. When done improperly, they can become long-term leak points.
We are seeing several recurring problems in Nevada and Placer County homes:
- Cracked or broken shingles caused by foot traffic and tool placement
- Improperly sealed mounting points that allow water to penetrate the roof
- Flashing that is cut or installed incorrectly
- Substandard patching done after damage occurs, which may hide the problem instead of fixing it
In many cases, homeowners don’t notice the issue until water stains appear inside the home—sometimes months or even years later.
Why Patching Is Not a Permanent Fix
When a roof is damaged during solar installation, some companies apply quick patches instead of making proper repairs. These patches may look fine at first, but they are rarely designed to last through multiple rainy seasons.
Temporary fixes can fail under prolonged rain, temperature changes, and normal roof movement. This allows water to continue entering the roofing system, eventually leading to rot, mold, and interior damage.
A properly installed roof should never rely on surface patching to stay watertight.
How Valor Roofing Protects Homeowners
At Valor Roofing, we regularly work with homeowners who have experienced solar-related roof damage. We provide:
- Pre-solar roof inspections to determine if your roof is ready for panels
- Structural and waterproofing evaluations to identify vulnerable areas
- Coordination with solar installers to ensure proper mounting and flashing
- Professional repairs or replacements when damage has already occurred
Our goal is to make sure your roofing system can support your solar investment, both now and for decades to come.
Before You Install Solar, Get Your Roof Checked
If your roof is over 10 years old, or if you already have solar panels installed and are seeing leaks, stains, or soft spots, it’s important to have a professional roofing inspection.
A simple inspection can help you avoid major repairs, protect your home, and make sure your solar system doesn’t shorten the life of your roof.
Valor Roofing is proud to serve homeowners throughout Nevada and Placer County with honest assessments, skilled craftsmanship, and long-term roofing solutions.
To schedule a pre-solar roof inspection or to have your current roof evaluated, contact Valor Roofing today at (530) 274-1200!
