Veteran-Owned · Since 2008 · Licensed, Bonded, and Insured
TPO Roofing for Commercial & Low-Slope Roofs in Central Mississippi
Installation, replacement and targeted membrane repairs for building owners, property managers and homeowners who need a dependable low-slope roof assembly.
Before you choose a flat-roof system
Is TPO suitable for a low-slope addition?
It can be, provided the deck, drainage and connections to the main roof support the proposed assembly.
Will white TPO eliminate standing water?
No. Reflectivity and waterproofing do not replace positive drainage; low spots and blocked outlets still need attention.
Must the old roof come off?
That depends on moisture, existing layers, structural condition and code—not simply how the surface looks.
What TPO is—and what makes the seams different
Thermoplastic polyolefin, usually shortened to TPO, is a single-ply roof membrane supplied in sheets. White is a common surface color. The membrane forms the weatherproof layer over an insulation-board assembly, rather than using overlapping shingles to shed rain. It is designed for low-slope applications where water moves slowly toward drains or roof edges.
Hot-air welding fuses overlapping TPO surfaces into a continuous bonded seam, instead of relying on adhesive seam tape. That does not make workmanship optional: clean material, correct heat and travel speed, adequate overlaps and careful testing are essential. Fully adhered and mechanically fastened assemblies are common; ballasted systems are also possible where structural capacity, wind design, code and the selected manufacturer's requirements permit them. The right attachment method depends on the building, not preference alone.
Why owners consider TPO in Mississippi heat
A clean white reflective surface absorbs less sunlight than a dark roof, which can lower roof-surface temperatures and reduce cooling load. Actual building performance depends on insulation, occupancy, equipment, roof condition and weather; reflectivity is not a guaranteed utility-bill reduction. TPO formulations are designed to resist ultraviolet exposure, but prolonged heat and weathering still make periodic condition checks important.
Humid summers and heavy rain from Gulf storm systems put equal pressure on drainage and attachment. A properly detailed TPO membrane can tolerate temporary ponding, but it is not automatically superior to every built-up or modified-bitumen system and should not be designed around persistent standing water. Ponding can collect debris, add load and conceal problems at seams and penetrations. Positive drainage, suitable fastening and dependable perimeter details remain priorities regardless of the covering.
Where we install TPO
Retail storefronts and strip centers, offices, warehouses, churches, schools, restaurants and multifamily buildings can all have roof areas suited to a single-ply system. For managers, planning includes tenant access, equipment service routes, exhaust locations and how rainwater leaves the property. A commercial roof is part of the building's daily operation, not just a surface above it.
Homes can also have low-slope porch roofs, additions and carports that need a different covering from the main roof. Asphalt shingles generally should not be used below about a 2:12 slope, and slopes near that threshold require specific underlayment details. We evaluate the transition between materials and the support beneath the low-slope section before recommending TPO.
Our coverage includes Brandon, Flowood, Florence, Pelahatchie, Pearl, Richland, Madison, Ridgeland, Gluckstadt, Flora, Jackson (North & East), Clinton, Byram, Terry across Rankin, Madison and Hinds counties, with Jackson work limited to its North and East areas.
TPO vs. other flat-roof options
There is no universal winner. Existing conditions, drainage, access and repair needs should guide the specification; a coating, in particular, is a restoration option rather than a replacement for an unsound assembly.
| System | Seams | Color & heat | Typical use | Repairability |
|---|---|---|---|---|
| TPO | Hot-air-welded laps | Commonly white and reflective | Commercial and residential low-slope assemblies | Compatible patches can be welded to serviceable membrane |
| EPDM | Seam tape or adhesive systems | Usually black; white options exist | Low-slope roofs with a flexible rubber membrane | Compatible taped or adhesive patches after preparation |
| Modified bitumen | Heat-welded, cold-adhered or self-adhered laps, depending on system | Surfacing varies; reflective finishes are available | Multi-ply low-slope assemblies with detailed transitions | Compatible bituminous repairs matched to the installed system |
| Roof coatings | Liquid-applied over an eligible existing roof; joints still need treatment | Many products have light, reflective finishes | Restoration of a dry, sound and compatible substrate | Recoat or patch after preparation; not a cure for wet insulation |
Our TPO process: from moisture check to seam probe
Inspect the assembly, not just the surface
We review leak history, deck condition, drainage and rooftop equipment. Where needed and authorized, a core cut and moisture checks help identify the existing layers and wet insulation. Test openings are repaired afterward. Findings determine whether a surface repair is sensible or hidden damage requires a broader scope.
Choose tear-off or recover
A recover may be allowed when the existing roof is dry, firmly attached, structurally suitable and compatible with the proposed assembly. Local code, existing layer count and system requirements govern that decision. Saturated insulation, deteriorated decking, excessive layers or an unstable substrate call for removal of affected material or a full tear-off, not simply covering the problem.
Build insulation and drainage into the scope
We plan insulation to suit the building's energy requirements and choose a compatible cover board where the assembly calls for it. Tapered insulation and crickets can direct water around curbs toward outlets. Drain or deck changes may also be needed; adding membrane alone cannot correct every low spot.
Attach the membrane and weld the laps
Attachment is selected for the deck, wind exposure and approved assembly. Sheets are laid out to reduce unnecessary joints and maintain proper overlaps. Installers use hot-air equipment and test welds to establish settings appropriate to the material and conditions, then complete the field seams and compatible patches.
Detail every interruption and roof edge
Walls, equipment curbs, pipes, drains, scuppers and edge metal need their own secure transitions. We account for movement, termination heights and water flow rather than rely on a bead of sealant. Restaurants may need additional protection around grease exhaust because chemical exposure can affect membrane compatibility.
Probe seams and walk the roof together
After welds cool, seam probing checks for unbonded edges that need correction. We review drainage paths, flashing, access routes and cleanup, then explain maintenance needs to the owner or manager. The walkthrough is also a chance to identify where service technicians should use designated walkways.
TPO repair and maintenance
Punctures from dropped tools, open seams, failed curb flashing and ponding each need a different response. A leak stain indoors may be far from the actual opening, so we trace the pathway and check for wet insulation before treating the visible symptom. For localized damage on a serviceable membrane, compatible welded repairs can restore continuity without replacing the entire roof.
Plan inspections twice a year and after major storms. Clear drains and scuppers, check roof edges and flashings, and record changes around equipment. Use trained personnel with appropriate fall protection rather than sending staff onto an unfamiliar roof. Service visits should also check for grease, loose debris and damaged walkway areas that can shorten membrane life.
For insurance work, we document observable storm damage and prepare a scope without promising coverage. For real estate inspection lists, we can describe completed repairs and supply photos. PAL also handles associated sheetrock, painting and general repairs, helping owners coordinate the roof problem and its interior consequences. Broader leak concerns are covered on our roof repair page.
Signs your flat roof needs attention
- New ceiling stains, damp insulation or recurring leaks
- Water remaining in the same low spots after the roof should have drained
- Lifted lap edges, splits or punctures in the membrane
- Loose edge metal or flashing pulling away from a curb
- Blocked drains, scuppers or overflow outlets
- Soft areas, unusual deflection or a change in roof shape
- Repeated patching that no longer keeps the building dry
TPO questions from owners and property managers
How long can a TPO roof last?
Many properly designed and maintained TPO systems serve roughly 15–25 years, but that is a planning range, not a promised lifespan or warranty. Installation quality, drainage, rooftop traffic, exposure and maintenance matter as much as age. We assess the actual membrane and underlying assembly before recommending replacement.
Can TPO be installed over my existing roof?
Sometimes. A recover requires a dry, sound and compatible existing assembly, adequate structural capacity and compliance with local reroofing rules and the selected system's requirements. Wet insulation, damaged decking or too many existing layers can require removal. A visual inspection alone cannot establish whether everything underneath is dry.
What determines the cost of a TPO project?
Roof area is only the starting point. Access, tear-off and disposal, deck repairs, insulation requirements, drainage changes, perimeter details and the number of rooftop penetrations all affect the scope. Keeping an occupied building weather-tight may also require phased work. A written proposal should identify those items rather than hide them in a square-foot allowance.
How does TPO compare with EPDM?
TPO uses hot-air-welded field seams and commonly has a white reflective surface. EPDM is a rubber membrane with taped or adhesive-bonded seams and is commonly black, although white versions exist. Either can work well in a suitable assembly; roof geometry, exposure, attachment and maintenance needs should guide the choice.
Can a damaged TPO roof be repaired?
Localized punctures and some seam or flashing failures can be repaired with compatible welded patches after the membrane is cleaned and evaluated. Contamination, advanced deterioration or trapped moisture may limit a patch's usefulness. Household caulk and incompatible roof cement are not substitutes for a membrane-specific repair.
Does PAL install TPO on residential roofs?
Yes, we evaluate residential low-slope sections such as additions, porch roofs and carports for TPO. The transition to a steeper roof, visible edges, drainage and attachment to the existing structure need careful detailing. Below about a 2:12 pitch, asphalt shingles are generally not an appropriate covering.
Can you help document an insurance claim on a TPO roof?
We can photograph storm-related conditions, measure affected areas and prepare a repair or replacement scope for your insurer to review. Coverage depends on your policy and the cause of damage; routine wear and neglected drainage are different from a covered storm event. Your insurer determines coverage and payment.
How long will installation take, and can tenants stay open?
Scheduling depends on roof size, demolition, substrate repairs, weather and the amount of flashing work. We discuss daily work areas, rooftop equipment access, noise and temporary protection before starting. Some buildings can remain occupied during phased roofing, but safe access and operational requirements must be agreed upon for the particular property.