Commercial and Multi-Family Roofing in Addison
Low-slope roofs protect offices, shops and apartment buildings across Addison. This guide covers how they fail, how storms affect them and how to plan upkeep.
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Common commercial roof systems
TPO and EPDM
Single-ply membranes common on flat roofs. Seams, edges and the flashing around rooftop units need regular checks, since those spots open first as the membrane ages in the heat.
Modified bitumen
Layered roofing that handles foot traffic well but can blister and crack with age.
Metal roofs
Fasteners, seams and coatings need attention to keep metal buildings dry.
Shingled buildings
Many multi-family buildings use pitched shingle roofs with the same issues as homes.
Storm and building data for Addison owners
NOAA's Storm Prediction Center logged 125 hail reports within 10 miles of Addison from 2015 through 2024, and 29 of them were 1.75 inches or larger. The largest, 3 inches, fell on June 6, 2018. On a flat roof, hail of that size can crush the insulation board under the membrane, crack older membranes and dent rooftop units and metal edges.
The census survey shows only 18% of homes in Addison are owner-occupied, which means many residents live in rental housing. For those buildings, a roof problem is a tenant problem. A leak over one unit can mean damaged ceilings, unhappy residents and lost rent, so steady upkeep pays off.
Half of the housing in Addison was built before 1998 (U.S. Census Bureau, American Community Survey 2020-2024). Older roof systems on those buildings may be close to the end of their service life.
A simple yearly plan
Spring check
Clear drains and scuppers, check seams and flashing after winter.
After each large storm
Walk the roof for hail and wind damage and photograph what you find.
Fall check
Clear debris and seal small gaps before the cooler months.
Keep records
Dates, photos and repairs in one place help with budgets and insurance.
Fix small items fast
An open seam or a loose edge is a short repair. Left alone, it can wet a large area of insulation.
Red flags on a commercial roof
Water standing on the roof long after the rain stops.
Stained ceiling tiles or drips inside units or offices.
Blisters, wrinkles or split seams in the membrane.
Loose metal edges or rust around rooftop units.
Wet insulation found during a repair.
Higher cooling bills that may point to wet insulation.
Repeated leaks in the same unit after each repair.
Gaps or cracked sealant where pipes and vents pass through the roof.
Talk to GemSco
Replacement planning works best with time on your side. If an inspection shows the roof has a few years left, you can budget for the work, pick a season and give tenants notice. Waiting until a major leak forces the decision usually means rushed choices and higher costs. Our list of signs a commercial roof needs replacement helps owners spot that point early.
GemSco handles residential and commercial roofing, with 20+ years of experience on low-slope and flat roofs. We are fully licensed and insured, and estimates are free. Read about our commercial roofing service, TPO vs. EPDM roofing and hail damage roof repair in Addison.
Frequently Asked Questions
Can a commercial roof be repaired instead of replaced?
Often, yes. If the membrane is sound and the insulation is dry, repairs or a coating can extend the roof's life. If large areas of insulation are wet or the membrane is failing everywhere, replacement is usually the better investment. We check first and explain the options.
How do you keep tenants informed during work?
We agree on a schedule with the owner or manager, plan work by section and keep walkways and entrances clear. Our guide on how to reduce business disruption during roof repairs has tips owners can share with tenants ahead of time.
Why does water pond on my flat roof?
Clogged drains, sagging decking or a roof that was not built with enough slope can all cause it. Water that stays for days wears out the membrane faster. Our article on flat roof drainage systems explains how drains, scuppers and tapered insulation work.
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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.