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Home/Service Areas/Louisiana/LaPlace/Commercial Roof Repairs

Commercial Roof Repairs in LaPlace, LA

Big Easy Roofing repairs low slope commercial roofs across LaPlace and the east bank of St. John the Baptist Parish. A commercial repair is not always only roofing. Rooftop units, conduit and gas lines can bring other trades onto the roof, and the parish commercial form has a rule about how those trades are filed.

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Master permitParish commercial form
Every trade namedAt the time of application
IBC Chapter 15Code for your building
Written scopeBefore mobilisation

LaPlace commercial roof repair at a glance

A commercial repair is scoped on the assembly rather than the visible leak, because a membrane roof usually fails at a seam, a penetration or a drain. In LaPlace the parish commercial form adds a paperwork rule: subcontractor work left off the application at the start is issued a separate permit with its own fees.

The master permit rule

Commercial Permit Application

The parish form says primary permit fees "shall include the fees for sub-permits, provided that all applicable subcontractor qualifier signatures are on the application and plans include the details of all subcontractor work."

Leave a trade off

A separate permit follows

The same paragraph continues: "Failure to include the required information at the time of application shall require that a separate permit be issued with the appropriate fees being charged to the applicant."

Which trades the form lists

Separate boxes

Under PLEASE CHECK ALL THAT APPLY the commercial form has Electrical, Gas, Plumbing and Mechanical boxes alongside Re-Roof. Whether a given repair needs any of them is decided with the Permit Division on (985) 651-5565.

Opening or taking over a business

A second parish form

The parish Occupational License Compliance Form asks "Are any repairs or renovations being done to the existing building?" and, if yes, what type. A roof repair at move in is worth describing accurately there.

When a repair stops being a repair

The wet insulation test

A survey that finds wet insulation across a large area is telling you the economics have changed. That comparison and the parish commercial file belong on our commercial roof replacement page.

Two records

Permit file and photographs

Where the repair is permitted, the permit and its inspections are one record. Photographs of the failure and the completed repair, kept with the written scope, are the second, and we hand both over together.

This page addresses roofing on buildings treated as nonresidential for licensing and code purposes. Mixed use buildings and residential multifamily need their own classification and code review.

Everything on this page about the parish forms is what St. John the Baptist Parish published when we read it in September 2026, not a quote from the office. Commercial repair work is priced on the assembly and the access rather than a published range, so call Big Easy Roofing for a scoped price.

Where low slope roofs fail, and what the repair actually involves

A commercial roof rarely fails across the field. It fails where two things meet, where something passes through, or where water is meant to leave and does not. The table sets out the four that account for most call outs, what each repair really addresses, and which ones tend to bring another trade.

Where it failsWhat is actually wrongWhat the repair involvesWhat to watch
Seams and lapsA weld or lap that has released, often over a fastener lineCut back to sound material, re-weld or re-lap and test the new seamA seam failing in several places usually points to the assembly rather than the seam
Penetrations and curbsFailed sealant or a pitch pocket that has shrunk, often at a rooftop unitStrip the detail back and rebuild it rather than adding sealant over itA unit that has to be lifted or disconnected brings a mechanical or electrical trade
Drains and scuppersBlocked or set above the surrounding surfaceClear, reset where possible and correct the falls locallyPonding shortens the life of every assembly, and a drain body problem can be plumbing
Wet insulation under the membraneWater tracked sideways from an old breachCut out and replace the wet area, not just the surface above itThis is the one that turns a repair conversation into a replacement conversation

Water that enters a low slope roof at one point spreads through the insulation, so the wet area is usually larger than the visible breach. A survey that finds it across a large area calls for a costed comparison against replacement rather than another repair.

How the master permit handles sub-permit fees

The parish Commercial Permit Application carries a master permit paragraph. It says primary permit fees include sub-permit fees, provided the applicable subcontractor qualifier signatures are on the application and the plans detail all subcontractor work. If the required information is missing at application, a separate permit with its own fees is required.

Permitting and inspection are compulsory

Statewide since 2025

The State Licensing Board for Contractors states that Act 239 requires permitting and inspection of roof construction and reroofing of residential and commercial structures for any project beginning on or after 1 August 2025. It is carried at La. R.S. 37:3737(I) after Act 881 of 2026 recodified the section.

Who confirms the scope

St. John the Baptist Parish

The Permit Division on (985) 651-5565 at 1811 W. Airline Highway in LaPlace, 8 am to 4:30 pm Monday to Friday excluding government holidays. The parish Building Permits page says applications go through MyGovernmentOnline or in person.

What the master permit paragraph asks for

Signatures and details

Two things at the time of application: every applicable subcontractor qualifier signature on the application, and plans that include the details of all subcontractor work. The paragraph is printed on the form itself.

Which code the building answers to

IBC Chapter 15

Louisiana requires permitting and inspection of reroofing for buildings other than one and two family dwellings in compliance with International Building Code Chapter 15, at La. R.S. 37:3737(I)(1). Whether a particular repair is caught is confirmed with the Permit Division.

Why rooftop units bring other trades

A curb that has failed under a rooftop unit cannot be rebuilt with the unit sitting on it. Lifting or disconnecting a rooftop unit usually involves mechanical and electrical work, and a gas fired unit may involve the gas line. We name those trades in the scope and confirm the filing route with the Permit Division.

Our practice, not a parish rule: where a repair needs another trade, we name that trade and its work in the written scope before anything is filed, so the qualifier can sign the same application and the plans show the whole job.

When a repair belongs on the replacement page

A survey that finds wet insulation across a large area, or a second existing covering already on the roof, tells you the economics have moved. Section 1512 of IBC Chapter 15 bars a recover where two or more existing coverings are in place, and that decision is set out on the replacement page rather than here.

On that class of finding the honest answer is a costed comparison against replacement rather than another repair.

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Opening a business in a building that needs roof work

A business applying for an occupational licence in the parish starts by submitting an Occupational License Compliance Form to Planning and Zoning. The form asks whether any repairs or renovations are being done to the existing building and, if so, what type. A roof repair planned at move in is one of those answers.

What the compliance form asks

The form, revised 3/9/2026, asks "Are any repairs or renovations being done to the existing building?" with a yes or no box, then "If YES, what type of repairs/renovations?" Its submittal list includes "Deed/Proof of Ownership and Lease (if applicable)."

Its notes say "The Planning Department will verify that your business is a permitted use, not considered a change of use, and that it meets all site requirements." The form does not say what a yes answer changes, and that is for Planning and Zoning on (985) 651-5565.

Why a written scope helps the answer

A new occupier may know only that the roof leaks. A written scope from a survey names what is failing, what is being repaired and which trades are involved, which answers the form's question about what type of repairs or renovations are being done.

Our practice, not a parish rule: on a move in repair we hand over the scope in a form the occupier can use for that answer, and we tell the owner and the occupier the same thing.

Work is sequenced around what is underneath

A repair over a kitchen, a server room or new stock is planned differently from one over an empty unit. What is below decides how much can be opened at once and how quickly it has to be closed again.

Where a crane slot, a unit shutdown or a notice to the occupier is needed, that is scheduled with the building rather than assumed.

Big Easy Roofing Process

Four steps. The survey establishes the extent and the trades before anything is priced, because on a commercial roof both decide what goes on the parish application.

A technician surveying a low slope commercial membrane roof around a rooftop unit
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01

01 Survey the assembly, not just the leak

Seams, penetrations, drainage and the condition of the insulation below, so the extent of wet material and any unit that has to move are known before a scope is written.

02

02 Write the scope with every trade named

What is being cut out and replaced, what is being left, and which mechanical, electrical, gas or plumbing work the repair needs, so it can all go on one application.

03

03 Confirm the permit route and phase the work

The Permit Division confirms whether the repair is permitted and how the trades are filed, and the work is phased around what sits underneath.

04

04 Repair, test and hand over the record

New seams tested, any permit and its inspections closed out, and photographs of the failure and the completed repair handed over together.

Everything else we do in LaPlace

The rest of the Big Easy Roofing services available in LaPlace, each with its own page and scope of work. Where a repair programme has stopped being economic, the commercial replacement page sets out the tear off versus recover decision and the parish commercial file.

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LaPlace Commercial Roof Repairs FAQs

The questions worth settling before a LaPlace commercial repair is scoped, answered before you have to pick up the phone.

Topic

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Do I need a permit for a commercial roof repair in LaPlace

Louisiana requires permitting and inspection of roof construction and reroofing of commercial structures for projects beginning on or after 1 August 2025, and for buildings other than one and two family dwellings the code reference is International Building Code Chapter 15. Whether a specific repair is caught is confirmed with the St. John the Baptist Parish Permit Division on (985) 651-5565.

What is the master permit rule

The parish Commercial Permit Application says primary permit fees include the fees for sub-permits, provided every applicable subcontractor qualifier signature is on the application and the plans include the details of all subcontractor work. If that information is missing at the time of application, a separate permit is issued with its own fees.

Why would a roof repair involve other trades

Because a failure at a rooftop unit, conduit or gas line can mean moving what sits there. Rebuilding a curb under a unit means lifting or disconnecting it, which usually involves mechanical and electrical work, and a gas fired unit may involve the gas line. We name those trades in the written scope at the start, so their qualifier signatures and the details of their work can be on the application from the outset.

I am opening a business in a building with a leaking roof. Does the parish ask

The parish Occupational License Compliance Form asks whether any repairs or renovations are being done to the existing building and, if so, what type. It does not say what the answer changes, so that is for Planning and Zoning on (985) 651-5565.

When does a repair stop being worth it

When the survey finds wet insulation across a large area rather than at one breach. At that point the money is better spent on a costed comparison against replacement, because a repair over wet material fails again somewhere slightly different.

Can the repair happen while the building stays open

Usually. The work is sequenced around what sits underneath, and only as much roof is opened as can be closed again the same day. What is below decides the phasing more than the roofing does.

Does my roofer need a state licence for a commercial repair

Commercial roofing carries its own licence classification, separate from the residential roofing classification that applies to houses. Ask for the Louisiana state licence number and its expiry date and verify the number and the classification directly with the State Licensing Board.

What usually sets the programme

Access, rooftop plant and the other trades, rather than the size of the repair. On a small scope, lifting a unit or waiting for an electrician can take longer than the roofing work itself.

Get a repair scope with every trade named before anything is filed

We survey the assembly, establish how far the wet area reaches and which units or lines have to move, and put the whole job in writing so every trade can go on one parish application. If you would rather start in writing, tell us what the job involves and we will come back with an estimate.

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Commercial Roof Repairsin LaPlace