Commercial Roofing in Hedwig Village: Flat and Low-Slope Roofs
Flat and low-slope roofs fail differently from pitched ones. Water sits longer, seams do more work, and damage is harder to see from the ground.
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Common problems on low-slope roofs
Ponding water
Water that stays long after rain loads the roof and wears the surface. See flat roof drainage systems.
Open seams
Seams between membrane sheets can separate with heat, movement or poor installation.
Clogged drains and scuppers
Leaves and debris back up water and push it toward the edges.
Punctures
Foot traffic, dropped tools and hail can pierce the membrane.
Flashing at walls and units
Rooftop units and parapet walls are frequent leak points.
Hail and Harris County weather
Hedwig Village sits in Harris County, where heavy rain and hail both test commercial roofs. NOAA's Storm Prediction Center logged 45 hail reports within 10 miles of Hedwig Village from 2015 through 2024, and 12 of them were 1.75 inches or larger. The largest, 2.5 inches, fell on January 8, 2016.
On a flat roof, hail can crack coatings, dent metal and crush insulation boards under the membrane without leaving an obvious hole. A building that went through those storms may have damage that only shows up as a slow leak or wet insulation later. A close inspection is the way to know.
Wet insulation is the costly part. Once water gets under the membrane, the insulation boards soak it up, lose their value and add weight. A small puncture left for a season can turn a seam repair into a section tear-off. Checking the roof after each large hail event, and keeping the photos, also gives the owner a record if a claim is ever filed with the insurer.
Membrane types owners often compare
TPO: a white single-ply sheet with heat-welded seams.
EPDM: a black rubber sheet, usually with taped or glued seams.
Modified bitumen: layered asphalt sheets, often torch-applied or self-adhered.
Metal: standing seam or panel systems on low pitches.
Read our comparison of TPO vs. EPDM roofing for the trade-offs.
What a commercial roof inspection covers
Surface walk
The inspector walks the whole field of the roof looking for blisters, splits, punctures, hail marks and areas where water has stood.
Seams and edges
Every seam, the perimeter edge metal and the parapet caps are checked for gaps and lifted laps.
Drains and scuppers
Outlets are cleared and checked so water can leave the roof as designed.
Rooftop equipment
Curbs and flashing around HVAC units, vents and hatches are inspected, since these are frequent leak points.
Interior check
Ceiling tiles, deck underside and walls below the roof are checked for stains that point back to a source.
Report
Findings are photographed and summarized with a written estimate for any repairs. See signs a commercial roof needs replacement.
Keeping the roof working
Two inspections a year, plus one after major storms, catch most problems early. Clear drains, check seams and flashing, and keep a log with photos. Our commercial roof maintenance plan guide covers a full routine.
GemSco is family owned, fully licensed and insured, and works on residential and commercial roofs, including low-slope and flat systems. Estimates are free. See our commercial roofing page or start with Hedwig Village roofing.
Frequently Asked Questions
How do I know if a flat roof needs replacement instead of repair?
Widespread wet insulation, many open seams, repeated leaks in different areas and a surface that is cracked across large sections all point to replacement. If problems are limited to a few spots, repairs can extend the life of the roof. A moisture survey helps make the call.
Can hail damage a commercial roof I cannot see from the ground?
Yes. Most flat roofs are invisible from the street. Hail can crack the membrane, dent metal flashing and crush insulation under the surface. A rooftop inspection with photos is the only reliable way to find it after a storm.
Can roof work be done while the business stays open?
In many cases, yes, with planning around access, noise and safety. Work can be phased by roof section so part of the building stays in normal use. Our article on reducing business disruption during roof repairs covers how to plan it.
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