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Home/Service Areas/Louisiana/Metairie/Commercial Roof Replacement

Commercial Roof Replacement in Metairie, LA

Big Easy Roofing installs commercial roof replacements across Metairie and unincorporated Jefferson Parish, licensed by the Louisiana State Licensing Board for Contractors. Every re-roof is a permitted project under the 2021 International Building Code, with architect or engineer stamped plans as the parish requires, and a manufacturer NDL warranty available at closeout.

$5 to $20 /sqftEstimated cost
2 to 6 weeksTypical project length
IBC 2021Commercial building code
20 to 30 yr NDLManufacturer warranty

Metairie commercial roof replacement at a glance

A Big Easy Roofing commercial re-roof in Metairie is a permitted, plan-scoped tear-off and new-install on a flat or low-slope building, quoted per square foot on the system selected, with a manufacturer NDL warranty at closeout. It runs 2 to 6 weeks depending on system and size, and it is priced against seven systems, not one shingle brand.

Estimated cost

$5 to $20 /sqft

Estimated installed cost band across TPO, PVC, EPDM, modified bitumen, BUR, SPF and standing seam metal on a Metairie commercial building. Call for a written estimate.

Typical duration

2 to 6 weeks

Single-tenant single-ply on 5,000 to 15,000 sqft runs 2 to 3 weeks. Phased tenant-occupied on 30,000 to 60,000 sqft runs 4 to 6 weeks.

Permit authority

Jefferson Parish

Commercial building permit through the Jefferson Parish Department of Inspection and Code Enforcement, on the commercial application track.

Licence threshold

$50,000

La. R.S. 37:2150 et seq. sets the state commercial contractor licence threshold at $50,000 or more of construction work. Big Easy Roofing carries the LSLBC licence for the classification.

Systems available

Seven systems

TPO, PVC, EPDM, modified bitumen, built-up roofing, spray polyurethane foam and standing seam metal, each with its own cost band and service life.

Warranty

20 to 30 yr NDL

Contractor labour warranty plus a manufacturer No Dollar Limit warranty at closeout, subject to mid-life inspections at the manufacturer's schedule.

Every figure on this page is an estimate, not a quote, and is subject to Big Easy Roofing sign off. Cost and timescale depend on size, pitch, access, weather, materials and whatever is found once work starts, so call Big Easy Roofing on (504) 800-8196 and we will come out and give you an estimate for your own roof.

A commercial re-roof in Metairie is a different project from a residential one. It is inspected on a plans-in schedule rather than photo verification, it triggers the 2021 International Building Code rather than the IRC, and its price is quoted per square foot on the system selected rather than as a whole-roof number. Property managers, facility managers and owner-operators book this scope, and every quote from us is written per system so the decision can be defended in a board or a lender meeting.

Every commercial replacement produces the same three artefacts: an engineered plan set filed with Jefferson Parish, a written scope priced per square foot per system, and a manufacturer NDL warranty registered after the mid-project inspection. Whether the follow-up maintenance is ours or not, the plan set, the scope and the warranty are yours to keep. Big Easy Roofing holds the LSLBC licence and coordinates the plan stamp where the design requires one.

Cost bands are typical 2026 Gulf Coast pricing across common Metairie building types. Actual per-square-foot cost depends on system, insulation buildup, deck condition and rooftop equipment count. Every project quote is written before tear-off begins.

Commercial roofing systems we install on Metairie flat roofs

Seven systems dominate Metairie commercial roofing: TPO, PVC, EPDM, modified bitumen, built-up roofing, spray polyurethane foam, and standing seam metal. Each has a cost band per square foot, a typical service life, and a building type it fits best. Selecting the right one is the biggest cost decision on any commercial re-roof.

SystemBest forTypical lifespanEstimated cost/sqft
TPO (single-ply)Warehouses, retail, restaurants, medical office under 30,000 sqft20 to 25 years$5.50 to $11
PVC (single-ply)Restaurants with grease exhaust, healthcare with chemical vents, roofs with high foot traffic20 to 30 years$6 to $13
EPDM (single-ply)Large industrial and warehouse footprints where a long-service black membrane fits25 to 30 years$4 to $9
Modified bitumenSmall office and light retail, existing bituminous systems, torch-safe locations15 to 20 years$4 to $8
Built-up roofing (BUR)Legacy roofs kept in kind, heavier loads, budget-driven replacements20 to 30 years$5 to $10
Spray polyurethane foamComplex roof shapes with many penetrations where a monolithic membrane wins20 to 30 years with coating$4 to $8
Standing seam metalCommercial buildings at 2/12 pitch or greater, long-service design intent40 to 60 years$9 to $18

Estimated market ranges only. Call (504) 800-8196 for a written estimate on your Metairie commercial re-roof.

TPO is the workhorse of Metairie commercial roofing at $5.50 to $11 per square foot installed and a 20 year service life. PVC is the premium single-ply where grease or chemical exposure is on the roof. Metal is the long-life pick where the pitch allows it and the budget carries the cost.

Do you need a Jefferson Parish commercial building permit for a Metairie re-roof

Yes. Commercial roof replacement in Metairie requires a Jefferson Parish commercial building permit, not the flat $50 residential re-roof form. The parish enforces the 2021 International Building Code on commercial work. Jefferson Parish publishes commercial submittal requirements calling for a complete set of plans by a Louisiana registered architect or civil engineer with a statement of supervision, and publishes no roofing specific exemption from that, so the scope is confirmed with the Building Permits Department before anything is filed.

Commercial building permit

Plans required

A commercial re-roof is filed on the Jefferson Parish commercial application track. The fee is schedule-driven rather than flat, and the plans go to the parish before the permit issues.

State licence rule

$50,000 threshold

La. R.S. 37:2150 et seq. sets the Louisiana commercial contractor licence threshold at $50,000 or more of construction work. Big Easy Roofing holds the LSLBC licence for the classification. The residential $7,500 threshold in La. R.S. 37:2156.4 does not apply on a commercial job.

Engineer stamp trigger

Structural work

Deck replacement over more than a small area, tapered insulation redesign that alters the parapet detail, or rooftop equipment relocation triggers a Louisiana-licensed architect or engineer stamp on the plans before the permit issues.

FORTIFIED Commercial

IBHS standard

FORTIFIED Commercial is an Insurance Institute for Business and Home Safety certification, separate from the residential LDI Fortify Homes Program grant. Certification is filed by an IBHS Evaluator after install.

Why the commercial track is different

A residential re-roof in Jefferson Parish is a $50 flat fee, photo-verified, and priced against a single shingle system. A commercial re-roof is filed on plans, inspected on a schedule the parish sets, and priced against the specific single-ply or low-slope system the design calls for.

The engineered plan and the commercial licence classification are the two things that most often separate a smooth commercial permit from a rejected one. Both are handled up front on every Big Easy Roofing commercial scope, before tear-off is scheduled.

Wind uplift and the Gulf Coast

Metairie commercial roofs are engineered for the design wind speed the ASCE 7 edition of the adopted IBC assigns to the location. FM Global 1-90 uplift is a common baseline on the Louisiana Gulf Coast, with FM 1-105 specified on higher-exposure buildings near Lake Pontchartrain or on taller structures.

The uplift rating drives the fastener pattern, the insulation attachment and, on a mechanically-attached single-ply, the seam plate density. It is the number that decides whether the manufacturer will issue the NDL warranty at closeout.

Why Metairie commercial roofs fail early

Three failure patterns dominate Metairie commercial roof reports. Ponding water on modified bitumen after decades of substrate creep. TPO seam separation from thermal cycling in the Louisiana heat, especially where the original weld was under-heated. Mechanical fastener corrosion from salt-carrying north winds off Lake Pontchartrain, which lifts membrane at the field pattern.

Ponding water on modified bitumen

Modified bitumen substrates creep over decades of thermal loading, so a roof that started at the IBC 1/4 inch per foot minimum slope silently loses its positive drainage. Ponding sits over the low points after every heavy rain and cooks the membrane in the Louisiana summer.

Ponding kills a modified bitumen roof faster than any other single stressor. When the ponded area exceeds a small fraction of the roof, a tapered insulation redesign at re-roof or an early commercial roof coating restoration is the right answer.

TPO seam separation

TPO single-ply seams are heat-welded, and a weld that was rushed or under-heated at install day breaks apart under a decade of Louisiana thermal cycling. The tell on a commercial roof survey is a peel at the seam edge you can lift with a probe, well before a leak reaches the tenant space.

A tenant leak call on a TPO roof is almost always the seam, not the field membrane. A scoped commercial repair catches the failing seams before the tenant complaints multiply into a full replacement.

Mechanical fastener corrosion

Salt-carrying north winds off Lake Pontchartrain drive Cl- ions into the roof pattern faster than an inland Louisiana site. Mechanical fasteners corrode from the head down, the seam plates lose their grip, and a single-ply membrane starts lifting at the fastener grid under the next design-wind event.

An inspection catches this at the plate-corrosion stage. If the pattern is intact and the corrosion is field-only, a partial re-fasten scope beats a full replacement, and a full replacement gets priced against a mechanically-attached specification engineered for the correct uplift.

Big Easy Roofing Process

Six steps from the first call to the manufacturer NDL warranty registration. A commercial re-roof runs 2 to 6 weeks on site, and every step has a written artefact the property manager keeps, so a lender, a board, or a carrier can be walked through the file without a phone call to us.

Commercial roofing project manager reviewing engineered plans on the roof of a Metairie building
01

Initial call and site walk

Call or fill out the contact form and we schedule a walk-through with the property manager or owner. No charge, no obligation, and a signed commercial roof inspection report at the end.

02

Building assessment and scope

Deck condition, existing insulation buildup, drainage, rooftop equipment count and current membrane are all recorded. A written scope names the recommended system, the fastening approach and the tear-off plan.

03

Engineered plan and Jefferson Parish permit

Plans are prepared and stamped by a Louisiana-licensed architect or engineer, as the parish commercial submittal requirements call for. The commercial building permit is filed on the Jefferson Parish commercial application track before any crew mobilises.

04

System and warranty pick

The owner picks the system and the warranty tier. On a single-ply job the choice is usually TPO, PVC, EPDM or modified bitumen, and the warranty tier decides whether a manufacturer NDL is available at closeout. Call our team on (504) 800-8196 to talk it through.

05

Phased tear-off and install

Whole-building where the tenants allow, phased where they do not. Each phase is torn off and dried in the same day so no deck is left exposed over occupied space at end of day.

06

Final inspection and NDL warranty

The Jefferson Parish inspector signs off the plans and the manufacturer's field representative signs off the install. The NDL warranty is registered with the manufacturer, and the property manager keeps a full close-out package.

Everything else we do in Metairie

The rest of the commercial roofing services Big Easy Roofing offers in Metairie, each with its own page, crew and written scope. Residential services are on the second tab. Where the assessment finds a scope smaller than a full replacement, our Metairie service area hub lists the alternate paths.

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Metairie Commercial Roof Replacement FAQs

The questions Metairie property managers and business owners actually ask us about commercial roof replacement, answered before you have to pick up the phone.

Topic

Question not here?

Ask us anything about your Metairie commercial roof. We usually answer the same day, no charge and no obligation.

Call (504) 800-8196
How long does a commercial roof replacement take in Metairie

A single-tenant single-ply re-roof on a 5,000 to 15,000 square foot building typically runs 2 to 3 weeks from tear-off to warranty registration. A 30,000 to 60,000 square foot phased tenant-occupied job runs 4 to 6 weeks. Weather, deck condition, and permit turnaround all move the number, and every scope written by Big Easy Roofing states the calendar plan up front.

Can we stay open during the re-roof

In most cases yes. Big Easy Roofing sequences a commercial re-roof around business hours where the interior use permits it, using a phased tear-off that keeps the roof watertight overnight and never exposes deck over occupied space at end of day. Restaurants, medical offices, and retail sites are the common phased scopes on Metairie commercial jobs.

Do we need engineered plans for a commercial re-roof permit

A straight system-for-system re-cover on the existing deck at the same slope usually does not. A tear-off to deck, a change in insulation thickness that alters the wall parapet detail, deck repair over more than a small area, or any rooftop equipment relocation typically does trigger a Louisiana-licensed architect or engineer stamp on the plans for the Jefferson Parish permit.

TPO or modified bitumen for a Metairie warehouse

TPO is the workhorse for a Metairie warehouse under 30,000 square feet: heat-welded seams, white reflective surface for cooling load, 20 year service life, $5.50 to $11 per square foot installed. Modified bitumen fits an existing bituminous system on a smaller footprint where a torch-safe application is acceptable, at $4 to $8 per square foot with a 15 to 20 year life.

What warranty do we get on the roof

Two warranties. Big Easy Roofing writes a labour warranty on the installation. The manufacturer writes a materials warranty, and where you buy a full-system NDL (No Dollar Limit) warranty at closeout the manufacturer covers labour and materials with no dollar cap for the 20 or 30 year term, subject to a mid-life inspection at the manufacturer's schedule. NDL is the tier most Metairie commercial owners buy.

Does our commercial property insurance cover the roof replacement

That depends entirely on the cause of loss and on your policy, and it is your insurer or a licensed public adjuster who answers it. Louisiana law prohibits a contractor from interpreting coverage, so we will not guess at it. What Big Easy Roofing provides is the technical record: a photographed condition survey and a good faith itemised, detailed loss scope your carrier or public adjuster can price against.

Ballast or mechanically-attached on a Metairie roof

Mechanically-attached is the standard specification for a Metairie single-ply re-roof, engineered to the wind uplift rating the plans require. Ballasted single-ply is common in low-wind interior states but is a poor fit for the Louisiana Gulf Coast because the ballast itself becomes a projectile in a design-wind event and the system rarely meets FM 1-90 without additional attachment.

Does a cool roof cut our utility bill in Louisiana

Measurably, for a low-slope commercial roof on a cooling-dominated building. A white TPO or a white-coated modified bitumen with a Solar Reflectance Index in the 0.70 to 0.80 band reduces roof surface temperature under Louisiana summer sun compared to a black EPDM, and the reduction shows up in the HVAC runtime on the following utility bill. The state energy code allows this as a compliance path.

Can the building be certified to FORTIFIED Commercial

FORTIFIED Commercial is an IBHS standard, separate from the LDI Louisiana Fortify Homes Program (which is residential-only, up to $10,000). Certification requires the roof design to hit specific wind-uplift and continuous-load-path criteria, with an IBHS Evaluator sign-off after install. Big Easy Roofing writes to the standard where the client asks for it; the certification itself is filed by an IBHS Evaluator.

Phased or whole-building at once

Whole-building is faster and cheaper per square foot because the crew and the crane stay mobilised. Phased is the choice when a business cannot go dark and the roof cannot be temporarily exposed over occupied space. A phased plan splits the roof into quadrants sized to be tear-off and dry-in the same day, which is why phased jobs typically add 15 to 30 percent to the calendar time.

Scope your Metairie commercial re-roof this month

Walk-through with a property manager, written scope per square foot per system, architect or engineer stamped plans as the parish requires, and a manufacturer NDL warranty at closeout.

Call (504) 800-8196
Commercial Re-Roofin Metairie