Commercial Roofing for Rockwall Businesses and Buildings
A roof problem on a commercial building does more than leak. It can close a sales floor, ruin stock or disrupt tenants. Planning ahead keeps that from happening.
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What owners and managers should watch for
Ponding water that lingers after rain.
Cracks, blisters or loose seams in the membrane.
Rust or open joints on metal panels.
Damaged flashing around HVAC curbs and parapet walls.
Leaks that appear far from where water gets in.
Rockwall's hail record and flat roofs
Rockwall is mainly in Rockwall County. NOAA's Storm Prediction Center logged 69 hail reports within 10 miles of the city from 2015 through 2024, and 21 of them were 1.75 inches or larger. The largest, 5.25 inches, fell on April 11, 2016.
Low-slope roofs take hail head-on. Impacts can crush the cover board, split older membranes and dent metal coping and rooftop equipment. Because water can travel under a membrane, a leak inside may show up well away from the actual damage. Insulation that stays wet also loses much of its value, which shows up on the energy bill before it shows up on the ceiling.
A building that has been through several of those storms may have damage spread across the roof that no one has documented. A full survey sets a baseline before the next one.
Roof systems and what they need
Single-ply (TPO, PVC, EPDM)
Watch the seams and flashings. See TPO vs. EPDM roofing.
Modified bitumen
Check for cracked surfacing and lifted laps.
Metal
Fasteners, seams and panel ends need checking after storms.
Drainage
Drains, scuppers and gutters must stay clear. Read flat roof drainage systems.
Edges and coping
Metal edges hold the membrane down in wind. Loose or dented coping is an early repair.
How GemSco handles a commercial project
Survey
We walk the roof, photograph conditions and note drainage, seams and penetrations.
Written estimate
Repair and replacement options with scope and materials. Estimates are free.
Schedule
Work is planned around business hours and access where possible.
Follow-up
A maintenance routine after the job keeps small problems small. See a commercial roof maintenance plan.
Tenants, equipment and the roof
Commercial roofs carry more than weather. HVAC units, exhaust fans, satellite dishes and the crews who service them all add wear. Each curb and pipe is a seam the roof has to seal around, and each service visit is foot traffic on the membrane.
Ask equipment contractors to report any roof damage they see, and keep walk pads on the paths they use most. After a hailstorm, check the units as well as the roof, since dented fins and cracked housings point to the size of the hail that came through. Keep a log of who goes up and why.
Equipment upgrades are another trigger. New units mean new curbs and new openings, and those should be flashed by a roofer, not left to the mechanical crew.
About GemSco
GemSco is family owned, fully licensed and insured, and has 20+ years of experience on residential and commercial roofs, including low-slope, flat and metal systems. Financing is available. Visit our commercial roofing page or the page for roofing in Rockwall.
Call (844) 980-5506 to schedule a roof survey and a free written estimate.
Frequently Asked Questions
What causes most commercial roof leaks?
Most leaks start at seams, flashings and penetrations such as HVAC curbs, pipes and drains. Standing water also stresses the membrane over time. Hail and foot traffic from service crews add damage that is hard to see. Regular inspections focused on these areas catch problems before they reach the ceiling.
How do I report hail damage on a commercial roof?
Document the roof and rooftop equipment with dated photos, note the storm date and contact your insurer or property manager. A contractor's written report with photos and a clear scope helps the adjuster understand the damage. Coverage depends on the building's policy and the insurance company.
Can work be done while the business stays open?
In many cases, yes. Crews can phase the work across sections of the roof, set safe access routes and schedule noisy steps outside peak hours. Read how to reduce business disruption during roof repairs for ideas. The plan depends on the building and its use.
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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.