Commercial Roofs in Frisco: Flat, Low-Slope and Built for Hail
A commercial roof protects inventory, equipment and people. In Frisco, it also has to stand up to frequent large hail. Here is what owners and managers should know.
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Hail on a flat roof is a different problem
On a sloped home roof, hail damage tends to be visible. On a flat or low-slope commercial roof it often is not. A stone can puncture or bruise a membrane, crack the cover board below it or crush insulation, and water may sit in the damaged spot for weeks before it finds a way in.
That matters in Frisco. NOAA's Storm Prediction Center logged 201 hail reports within 10 miles of the city from 2015 through 2024, with 68 of them at 1.75 inches or larger. The largest was 4.5 inches on March 24, 2019. Large hail was reported in 8 of those 10 years, so a commercial roof here should be checked after every major storm, not just on a schedule.
Frisco lies across Denton County and Collin County, and commercial buildings in both see the same storm tracks. Rooftop units, skylights and curbs are often the first places to show damage. A dented condenser housing is easy to spot from a ladder and is a sign that the membrane around it deserves a close look.
Common commercial roof systems
Single-ply membranes
TPO and EPDM sheets common on offices and retail. See TPO vs. EPDM roofing for how they compare.
Low-slope metal
Panels and standing seam on warehouses and light industrial buildings.
Shingle and tile
Pitched roofs on smaller commercial buildings, churches and offices that look residential.
Drainage
Drains, scuppers and gutters that keep water from ponding. Read about flat roof drainage systems.
Warning signs on a commercial roof
Water that stays on the roof more than a day or two after rain.
Blisters, wrinkles or open seams in the membrane.
Ceiling tile stains or drips near walls and rooftop units.
Dents on rooftop equipment, curbs and metal edges after a storm.
Rising energy use that may point to wet insulation.
How GemSco handles a commercial job
Inspect and document
We walk the roof, check seams, drains and penetrations and photograph what we find.
Plan around your business
Work is scheduled to limit disruption. Our article on reducing business disruption during roof repairs covers what to plan for.
Repair or replace
You get a written estimate with options, from targeted repairs to a full new system.
Working with GemSco in Frisco
Records help too. Keep a log of inspections, repairs and storm dates for each building. When a leak shows up later, that history makes it much easier to tell an old problem from new storm damage, and it gives your adjuster a clear timeline. Our article on signs a commercial roof needs replacement lists what to track.
GemSco is family owned, fully licensed and insured, and has 20+ years of experience on residential and commercial roofs. Estimates are free. If a storm caused the damage, we document it for your insurer, though coverage always depends on the policy. Learn more on our commercial roofing page or our Frisco page.
Frequently Asked Questions
How often should a commercial roof in Frisco be inspected?
Twice a year is a common rule, usually in spring and fall, plus after any storm with large hail. Given how often large hail has been reported near Frisco, the after-storm check is the one owners should not skip, because membrane damage is easy to miss from the ground.
Can a flat roof be repaired instead of replaced?
Often, yes. Punctures, open seams and failed flashing around units can be patched or rebuilt. If wet insulation spreads across large areas, or the membrane is brittle overall, replacement may cost less over time. An inspection with core samples or moisture checks helps decide.
Does a commercial roof job have to shut down my business?
Usually not. Most work happens on top of the building, and crews can stage materials and noisy tasks around your hours. We talk through access, parking and safety before the job starts so tenants and customers are not caught off guard.
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