Commercial Roofing for Buildings in The Colony, TX
A business roof is mostly out of sight until it leaks onto inventory, equipment or customers. Planning ahead keeps the building open and the repair bills smaller.
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Storm exposure for commercial roofs in The Colony
The Colony sits in Denton County, in a part of North Texas that gets hail most years. NOAA's Storm Prediction Center logged 180 hail reports within 10 miles of the city from 2015 through 2024, with 58 at 1.75 inches or larger. The largest stone measured 3.5 inches, on June 11, 2023.
On a flat or low-slope roof, hail does not bounce off as it can on a steep pitch. It strikes the surface square on. That can crack coatings, bruise insulation boards under the membrane and damage rooftop units. A building can take those hits without any leak inside until weeks later.
Large hail fell near The Colony in 8 of the 10 years from 2015 through 2024. For a property manager, that means storm checks belong on the calendar every year, not only after a storm makes the news.
Drainage is the quiet problem
Most flat roofs fail at the water, not at the middle of the sheet. Drains, scuppers and gutters clog with leaves and debris, and water that should leave in an hour sits for days. That weight presses on the deck, and the constant wet speeds up wear at seams. Our guide to flat roof drainage systems explains how each type works.
Rooftop units add risk too. Every curb, pipe and conduit is a hole in the roof that needs its own flashing. When a contractor services the air conditioning and leaves a panel or a cut in the membrane, a leak can start without anyone on the roofing side knowing about it.
Common low-slope roof types
Single-ply membranes
Sheets such as TPO and EPDM are common on commercial buildings. Our article on TPO vs. EPDM roofing compares them.
Modified bitumen
Layered asphalt sheets used on many low-slope roofs, often on smaller buildings.
Metal roofs
Standing seam and panel systems that shed water fast on low pitches.
Roof coatings
Liquid coatings are an option some owners consider on older membranes. Whether one fits depends on the roof below it.
Warning signs on a commercial roof
Water that stands for days after rain.
Blisters, splits or open seams in the membrane.
Wet or crushed insulation that feels soft underfoot.
Rust or loose fasteners on metal panels and flashing.
Stains on ceiling tiles inside the building.
More on this in signs a commercial roof needs replacement.
A simple yearly plan
Spring and fall checks
Walk the roof before and after storm season and clear drains and scuppers.
After every hail event
Look for damage to the membrane, flashing and rooftop equipment, and take photos.
Small fixes right away
Open seams and loose flashing are cheaper to fix now than after water soaks the insulation.
Plan the big work
Use inspection reports to budget a replacement before the roof fails. A commercial roof maintenance plan keeps this on schedule.
Working with GemSco
GemSco handles residential and commercial roofing, including low-slope and flat roofs, and has 20+ years of experience. We are fully licensed and insured and give free estimates. Visit our commercial roofing page, see roof inspection in The Colony, or go back to the The Colony page.
Frequently Asked Questions
Can a commercial roof be repaired while the business stays open?
In many cases, yes. Crews can work in sections, plan noisy tasks for quieter hours and keep entrances clear. The details depend on the building and the type of work. Our article on reducing business disruption during roof repairs covers what owners can plan ahead.
Why does water pond on my flat roof?
Flat roofs still need a slight slope to move water to drains. Sagging decking, crushed insulation, clogged drains or settled framing can create low spots. Standing water adds weight and speeds up wear on the membrane, so it is worth finding the cause rather than just sweeping it off.
How do I know if hail damaged a flat roof?
Hail damage on a membrane is harder to see than on shingles. Look for cracks, punctures, dents in metal flashing and damaged rooftop units. A roofer may also check whether the insulation under the membrane was crushed. Photos taken soon after the storm help document what happened.
Who decides whether a commercial claim is covered?
Your insurance company, based on the terms of your policy. A roofer can inspect, photograph the damage and give you a written estimate. Commercial policies vary a lot, so read your deductible and reporting rules with your agent before deciding how to proceed.
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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.