Getting a Duncanville Roof Ready for Solar Panels
Solar panels are a long commitment. On an older house, the roof under them deserves the first look.
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The roof comes first
Half of the homes in Duncanville were built before 1978 (U.S. Census Bureau, American Community Survey 2020-2024). On a house that age, the roof has likely been replaced at least once, and the current one may already be well into its life. Installing panels on a roof that will need replacing soon means paying to remove and reinstall them when that day comes.
Before planning a layout, we inspect the shingles, flashing, decking and attic. If the roof is solid, the panels go on. If it is not, it is usually smarter to fix or replace the roof first and install the panels on a fresh surface.
Structure matters too. Older framing and decking were not built with rooftop equipment in mind. Checking the decking where mounts will land, and the rafters underneath, keeps the array anchored to something solid. If the attic shows signs of past leaks around that area, they need to be fixed before anything is bolted down. For a broader checklist, read things to do before replacing your roof.
Is your roof solar ready? A quick checklist
The shingles lie flat, with no curling, cracking or bare spots.
There are no active leaks or recent stains in the attic.
The decking feels solid, with no sagging between rafters.
Flashing at walls, chimneys and vents is tight.
You know roughly how old the roof is. If not, read how long roofing materials last in Texas.
The roof has been checked since the last big hailstorm.
Things that are different in Duncanville
Owner decision
About 66% of homes here are owner-occupied (ACS 2020-2024). Solar is the owner's call, so renters need the landlord on board first.
Hail exposure
NOAA's Storm Prediction Center logged 13 reports of hail 1.75 inches or larger within 10 miles of Duncanville from 2015 through 2024.
Biggest stone
The largest, 4 inches, was reported on June 12, 2023. Ask about the hail rating of any panel you consider.
Insurance
Ask your insurer how panels are treated on your policy before installation.
How a GemSco solar project runs
Inspection
Start with a roof inspection in Duncanville so the plan is based on the real condition of the roof.
Roof work if needed
Repairs or a full replacement happen before any panel is mounted.
Layout
Panels placed around vents, valleys and edges, on structure that can carry them.
Mounting and flashing
Each attachment is fastened to the structure and sealed against water.
Final review
We go over the finished roof and array with you.
Why one contractor helps
Roofing and solar meet at every mount point, and each of those points is a hole in the roof that has to stay dry for as long as the panels are up. When the same company handles both, there is no debate later about whose work caused a leak. GemSco does roofing, solar panel installation and solar panel removal and reinstallation, and financing is available. Learn more about solar panel installation or roofing in Duncanville.
Frequently Asked Questions
How do I know if my roof is too old for solar?
An inspection is the reliable answer. We look at the shingles, decking and flashing and estimate how much life the roof has left. If it is close to the end, replacing it before installing panels avoids removing them later. If it is in good shape, the panels can go on now.
Do solar panels damage the roof?
Panels mounted correctly, with each attachment sealed and flashed, should not cause leaks. Problems usually come from poor flashing at the mounts or panels placed on a roof that was already failing. That is why we check the roof first and seal every attachment during installation.
Can panels be installed on a metal roof?
Yes. Metal roofs use different mounting hardware, and on some metal roofs panels can be attached without drilling through the roof surface. The right method depends on the type of metal roof you have. We check it during the inspection and explain the option.
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GemSco Roofing & Solar serves Houston, DFW, Austin, San Antonio and surrounding areas. We’re family owned and fully licensed and insured.