
Rowlett Commercial Roofing: Protecting Flat and Low-Slope Roofs
Commercial roofs in Rowlett face the same hail as homes, but they fail in different ways. Knowing those differences leads to better decisions.
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A simple plan for commercial roof care
Inspect twice a year
Spring and fall, plus after any major storm.
Keep drains clear
Clogged drains cause ponding and stress the membrane. See flat roof drainage systems.
Fix small issues fast
Seal open seams and repair flashing before water gets in.
Track the roof's history
Keep photos and records from every inspection and repair.
Plan replacement early
Budget before the roof fails, not after.
Hail exposure around Rowlett
Rowlett is mainly in Dallas County. NOAA's Storm Prediction Center logged 94 hail reports within 10 miles of the city from 2015 through 2024, with 27 at 1.75 inches or larger. The largest, 5.25 inches, fell on April 11, 2016. A storm of that size can damage a membrane, rooftop units and skylights in a single pass.
On low-slope roofs, hail can puncture or crack aging membranes, crush the insulation below and damage rooftop HVAC units and skylights. Because water spreads under a membrane, one hit can wet a large area before anyone notices a stain inside.
Rooftop equipment adds to the risk. Each curb, pipe and drain is a seam the roof must seal around, and service crews walking to those units add wear every visit. Walk pads along the busiest paths help, and so does asking equipment contractors to report any roof damage they notice.
Common commercial roof systems
TPO and PVC single-ply membranes.
EPDM rubber roofing. Compare the two in TPO vs. EPDM roofing.
Modified bitumen.
Built-up roofing on older buildings.
Metal roofing on warehouses and some retail spaces.
Repair, recover or replace?
Repair
When damage is localized and the insulation underneath is dry.
Recover
Some roofs can take a new layer over the old one, if codes and conditions allow.
Replace
When water has spread under the membrane or the system is past its life. See signs a commercial roof needs replacement.
Maintain
A roof in fair shape mostly needs a schedule: inspections, clear drains and quick seam repairs. See a commercial roof maintenance plan.
Keeping tenants and customers dry
A leak over a sales floor, an office or stored inventory costs more than the roof repair. Plan work by section, set clear access routes for the crew and agree on quiet hours if the building stays open. Read how to reduce business disruption during roof repairs for more ideas.
After a storm, walk the interior as well as the roof. Stained ceiling tiles, damp carpet near walls and water around light fixtures are early signs that the membrane let water through. Photos of the stains help trace the source on the roof.
Keep a short file for the building with the roof type, install date and every inspection and repair. It speeds up estimates and gives an adjuster a clear before-and-after picture.
Working with GemSco
GemSco is family owned, fully licensed and insured, with 20+ years in residential and commercial roofing, including low-slope and flat roofs. Financing is available. See our commercial roofing page or the page for roofing in Rowlett. Free estimates at (844) 980-5506.
Estimates come in writing, with photos of the conditions behind each line.
Frequently Asked Questions
How do I know if water is trapped under my flat roof?
Signs include soft spots when walking the roof, blisters in the membrane and ceiling stains far from any visible damage. A contractor can check moisture in suspect areas. Finding wet insulation early helps decide between a repair and a replacement, and keeps the problem from spreading.
Who should be on the roof after a hailstorm?
Limit access to people who need to be there, like your roofer and the insurer's adjuster. Foot traffic on a damaged membrane can make things worse. Document the roof with photos before and after any visit so the condition is on record for the claim.
When does a recover make sense instead of a tear-off?
A recover can work when the existing roof is dry, firmly attached and allowed by local code to take another layer. If the insulation is wet or there are already multiple layers, a tear-off is usually needed. A moisture check and a look at the deck decide which applies.
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