Commercial Roof Care for Terrell Business Owners
A flat roof hides damage well. For a Terrell business, a simple routine and a quick response after storms prevent most expensive surprises.
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A yearly routine for business roofs
Spring check
Before storm season, look at seams, flashing, drains and rooftop units.
After each storm
Check for punctures, dents and debris after hail or high winds.
Clear the drains
Keep drains, scuppers and gutters open so water does not pond. See flat roof drainage systems.
Fall check
Look for heat damage from summer, like cracked sealant and open seams.
Keep a log
Write down dates, findings and repairs, with photos. It helps with budgets and insurance.
Hail risk for Terrell commercial roofs
NOAA's Storm Prediction Center logged 27 hail reports within 10 miles of Terrell from 2015 through 2024. Nine were 1.75 inches or larger, all in 2023, with the largest measuring 3.5 inches on April 20, 2023. Terrell is mainly in Kaufman County, within the Dallas-Fort Worth metro area.
Large hail can puncture membranes, crack flashing and crush the insulation under a flat roof. The surface may not show it, but water can get in and spread. If your building was not inspected after the 2023 storms, it is worth checking now, since slow leaks under a membrane can go unnoticed for a long time.
Common low-slope systems in the market
TPO
A white single-ply membrane with heat-welded seams. Compare it in TPO vs. EPDM roofing.
EPDM
A black rubber membrane with a long record on flat roofs.
Modified bitumen
Layers of asphalt-based sheets, often used on older commercial buildings.
Metal
Durable panels for low-slope shops, warehouses and similar buildings.
Signs your commercial roof needs attention
Ponding water two days after rain.
Cracks, blisters or open seams in the membrane.
Damaged flashing around HVAC units and vents.
Ceiling stains or drips inside.
Soft or spongy spots when walking the roof.
Dents in rooftop equipment after a storm.
Heat, drainage and older buildings
Texas summers are hard on low-slope roofs. Long stretches of heat dry out sealants and make membranes expand and contract every day, which stresses seams and flashing at walls and rooftop units. Over a few seasons, small openings form that let water in during the next storm.
Older commercial buildings may also have roofs that were recovered more than once, with layers stacked over the original deck. Those layers can trap moisture and hide soft spots. Before planning a repair on a building like that, a close inspection should confirm what is under the surface. Our guide on why roof underlayment matters explains why the layers below the surface count as much as the top one.
When to repair and when to replace
Small punctures and seam problems can usually be repaired. When the insulation underneath is wet across large areas, or the roof is near the end of its life, replacement often makes more sense. Our guide on signs a commercial roof needs replacement explains what to look for, and a commercial roof maintenance plan helps avoid surprises.
GemSco handles residential and commercial roofing, including low-slope and flat roofs. We are fully licensed and insured with 20+ years of experience and free estimates. Learn more about commercial roofing or our work in Terrell.
Frequently Asked Questions
Should I inspect my Terrell business roof if it was not damaged visibly in 2023?
Yes. Hail can crush insulation or cause small punctures in a flat roof that do not show from the ground. Water can spread under the membrane for a long time before a stain appears inside. An inspection with photos tells you what is really there.
How do I reduce disruption during commercial roof work?
Plan ahead with your roofer. Agree on work hours, staging areas, and how entrances and parking will be kept safe. Large jobs can often be done in sections. Our blog has a guide on reducing business disruption during roof repairs with more tips.
What causes ponding on a flat roof?
Blocked drains, sagging decking or insulation, and poor slope design are the usual causes. Water that sits on a roof for days speeds up wear and can find its way through seams. Clearing drains is the first step; persistent ponding may need a structural or drainage fix.
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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.