Commercial Roofing for Webster Businesses and Property Owners
A commercial roof protects inventory, equipment and the people inside. Most problems start at seams, edges and drains, and they are easier to fix early.
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Storm exposure in Webster
Webster is in Harris County, within the Houston metro area (U.S. Census Bureau). NOAA's Storm Prediction Center logged 31 hail reports within 10 miles of the city from 2015 through 2024. Eight of them were 1.75 inches or larger, and the biggest, 2.75 inches, fell on May 31, 2024.
On a flat roof, hail can bruise or puncture the membrane, crush insulation boards below it and dent metal edges and rooftop units. Water then sits instead of running off, so a small hole can soak a large area.
Rooftop equipment adds risk. AC units, exhaust fans and skylights all sit on curbs that break the membrane, and hail that dents a unit can also loosen the flashing around its base. Those joints deserve a close look after any storm.
Common low-slope roof systems
Single-ply membranes
TPO and EPDM are widely used on commercial buildings. Our guide on TPO vs. EPDM roofing explains the differences.
Built-up and modified bitumen
Layered systems found on many older commercial roofs.
Metal roofs
Common on warehouses and shops, with seams and fasteners that need regular checks.
Coatings
An option some owners consider to extend a membrane in fair condition.
Warning signs on a commercial roof
Ponding water that stays more than a day or two after rain.
Blisters, open seams or shrinking membrane at the edges.
Clogged drains and scuppers. See flat roof drainage systems.
Stains on ceiling tiles or water near walls and columns.
Rust or loose fasteners on metal panels and flashing.
Maintenance that pays off
Most commercial roof failures start where something interrupts the membrane: a seam, a drain, a pipe, a curb under an AC unit. These are the spots a maintenance visit focuses on. Clearing drains, resealing a few seams and fixing flashing at a rooftop unit takes far less time than drying out wet insulation later.
A written plan helps owners and property managers keep track. It lists what was checked, what was fixed and what to watch. Our guide to a commercial roof maintenance plan explains what to include. After any storm with hail near Webster, add an extra visit to the plan. Tenants often notice leaks first, so give them a clear way to report stains on ceiling tiles quickly.
How we work on commercial projects
Roof survey
We walk the roof, check drains, edges, penetrations and rooftop units, and photograph what we find.
Written estimate
A free estimate lays out the repair or replacement scope.
Plan around your operation
Work is scheduled to limit disruption. Read how to reduce business disruption during roof repairs.
Maintenance after
A simple plan of seasonal checks keeps small issues small.
Repair, restore or replace
A sound roof with a few open seams usually needs repair. A roof with wet insulation across large areas or repeated leaks may need replacement. Our list of signs a commercial roof needs replacement helps owners decide. GemSco is fully licensed and insured, with 20+ years in residential and commercial roofing. See our commercial roofing service or the Webster roofing page.
Frequently Asked Questions
How can I tell if hail damaged a flat roof?
Hail damage on membranes is hard to see from a ladder. Look for dents on metal edges, rooftop units and vents, which suggest the size of the hail. On the membrane, cracks, punctures or soft spots point to damage. A close survey with photos is the reliable way to confirm it.
Why does water pond on my flat roof?
Low-slope roofs still need a slight pitch toward drains. Ponding comes from clogged drains, sagging decks or insulation that has compressed. Standing water speeds up wear on the membrane and adds weight, so the cause should be found and corrected.
Does GemSco also handle sloped commercial roofs?
Yes. GemSco works on low-slope and flat roofs as well as asphalt shingle, metal, stone-coated, tile and wood shake. Many commercial properties have both, such as a flat main roof with a sloped entry or office section.
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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.