Reflective white TPO single-ply for the long open roof field
PVC membrane around restaurant grease exhaust and chemical exposure Silicone and acrylic restoration coatings over sound existing roofs
Strip center and multi-tenant retail roofing across Greater Houston. Reroofs over open shops, leak repair tracked to the right tenant, and storm response.
- Strip center and multi-tenant retail roofing in Greater Houston
- A strip center is one roof over a dozen different businesses, and that is exactly what makes roofing it complicated. A single membrane runs the length of the building, but underneath it sits a nail salon next to a taqueria next to a dentist next to a phone store, each with its own lease, its own hours, and its own ceiling that water can come through. When that roof leaks, the tenant who gets wet is rarely the tenant under the actual breach, and the landlord is the one fielding angry calls from both. We roof multi-tenant retail across Greater Houston and Harris County with that reality built into how we work.
- Houston's strip retail is everywhere. Neighborhood centers and small strip malls line the major arterials in every direction, centered on a grocery or a restaurant and filled in with the small service businesses that make up most of the city's storefront economy. Many of these buildings are decades old, with flat membranes that have already been patched around grease exhaust and recoated more than once. We work on aging and newer centers alike, scoping each job to the roof the building actually has.
- What makes a multi-tenant roof different
- The defining feature of a strip center roof is the density and variety of rooftop penetrations. Every tenant brings its own HVAC unit, and a restaurant brings grease exhaust fans, makeup-air units, and ductwork that no other tenant has. The roof becomes a field of curbs, pipes, vents, and equipment, each one a potential leak path, and many of them added over the years by different HVAC contractors with varying care for how they flashed the penetration they cut. A lot of strip center leaks trace straight back to a sloppy rooftop unit installation, not to the membrane itself.
- Restaurant grease is its own problem. Exhaust from a kitchen coats the surrounding membrane and degrades many roofing materials over time, which is why the area around a food tenant often fails years before the rest of the roof. Where grease exposure is a factor we specify membranes that tolerate it and detail the exhaust penetrations to survive the environment they sit in.
- Where strip center roofs fail in Houston
- Leaks at HVAC curbs and penetrations added by tenant build-outs
- Grease degradation of the membrane around restaurant exhaust
Ponding water in low areas between undersized or clogged drains
Failed seams and flashings stretched across the long building Hail bruising and wind uplift at the parapet edges and corners
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What the Gulf Coast climate does to these roofs
The long flat field of a strip center gives Houston's weather plenty to work with. Hurricane-force wind grabs the parapet edges and corners where uplift forces concentrate, and on an aging membrane a single storm can peel back a section over multiple tenants at once. Large hail bruises the whole field in one event, and those bruises turn into leaks over the months that follow, scattered unpredictably across the businesses below.
Then there is the water. When heavy rain stalls over Harris County the way it did during Harvey in 2017, the long flat roof has to move all of that water to its drains and scuppers fast, and any low spot that ponds becomes a standing leak risk over whatever tenant is unlucky enough to be below it. Many older centers were built with marginal drainage that has only gotten worse as the membrane sagged. We correct drainage as part of the work so the downpours leave the roof instead of pooling on it. On top of the storms, the relentless heat and UV dry the membrane out and open seams across the long field through the long Houston summer.
Roof systems for multi-tenant retail
For the long flat decks that define strip centers, reflective white TPO single-ply is the workhorse. It welds into one continuous watertight surface across the whole building and reflects solar heat off the roof through the hot season, which takes load off the dozen-plus rooftop units serving the shops below and shows up on the common-area energy bill. Where a center has restaurant grease exposure, PVC membrane stands up to it far better and is the right call around food tenants.
When an existing strip center roof is structurally sound but aging, a restoration coating is often smarter than a tear-off. Silicone and acrylic coatings seal the existing membrane, bridge tired seams, and lay a bright reflective surface across the whole field without filling the parking lot with debris or disrupting the shops below. For centers that genuinely need replacement, we can re-cover or fully replace the membrane in phases so no storefront is ever under an open deck.
Roof planning notes