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Home/Service Areas/Louisiana/Metairie/Roof Coating

Roof Coating in Metairie, LA

Big Easy Roofing applies silicone, acrylic, polyurethane and aluminum reflective coatings on Metairie low slope and flat roofs, licensed by the Louisiana State Licensing Board for Contractors. Coating extends roof life by 10 to 15 years, cuts attic heat load in Gulf summers, and typically costs 30 to 50 percent of a full replacement.

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$2 to $6/sqftEstimated coating cost
10 to 15 yrsTypical coating life
ReflectiveCuts attic heat load
1 to 3 daysTypical application

Metairie roof coating at a glance

Metairie roof coating runs $2 to $6 per square foot depending on the coating type and the roof condition. Silicone sits at the top of the range and lasts longest. Acrylic and aluminum sit lower. All coatings are reflective, add 10 to 15 years to a low slope or flat roof, and drop attic temperature during Louisiana summer.

Estimated coating cost

$2 to $6/sqft

Full roof coating on a Metairie low slope or flat residential section, priced by square foot after a free inspection.

Coating life

10 to 15 years

Typical service life on a properly prepared and applied silicone or acrylic coating in the Metairie climate.

Cost versus replacement

30 to 50%

Typical coating cost as a fraction of a full tear off and re roof of the same low slope or flat section.

Reflectivity

Cool roof

Reflective coatings meet Cool Roof Rating Council reflectivity thresholds and drop attic temperature by 15 to 30 degrees Fahrenheit in Louisiana summer.

Typical application

1 to 3 days

Most Metairie coating jobs are completed in one to three working days depending on roof size, prep required and weather.

Warranty

Manufacturer + workmanship

Manufacturer material warranty on the coating (typically 10 to 15 years), plus Big Easy Roofing workmanship warranty on the application.

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.

Roof coating is a fluid applied membrane that goes on top of an existing low slope or flat roof and seals it against water, UV and thermal cycling. The main types available in Metairie are silicone (best ponding water resistance and UV performance), acrylic (best price, needs re coat sooner), polyurethane (best foot traffic resistance), and aluminum asphalt (best price on modified bitumen).

A coating is the honest answer for a Metairie low slope or flat roof that is not leaking but is close to the end of its shingle or membrane life. It costs 30 to 50 percent of a full replacement, extends the roof 10 to 15 years, and adds a reflective cool roof surface that cuts attic heat load across the whole property.

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Metairie coating types and typical use case

Five coating types cover almost every Metairie low slope and flat roof application. Each has a typical use case, a typical cost per square foot, and a typical service life. The right coating is chosen after the free inspection based on the existing roof material, ponding water risk, and homeowner preference on cost versus longevity.

Coating typeBest forEstimated cost/sqftService life
SiliconePonding water sections, best UV and moisture resistance, single coat$4 to $615+ years
AcrylicSloped low slope sections, cheapest cool roof option, needs re coat$2 to $3.507 to 10 years
ElastomericGeneral purpose low slope, good stretch, mid range cost$3 to $4.5010 to 12 years
PolyurethaneFoot traffic areas, HVAC roof decks, best puncture resistance$4 to $5.5012 to 15 years
Aluminum asphaltExisting modified bitumen roofs, reflective aluminum finish$2 to $35 to 8 years

Estimated market ranges only. Call (504) 800-8196 for a written coating recommendation on your Metairie roof.

Permits, warranty and cool roof on a Metairie coating

A Metairie roof coating adds a membrane over the existing roof rather than replacing it, so Jefferson Parish does not require a re roofing permit. Manufacturer warranties on silicone and acrylic coatings typically run 10 to 15 years when applied to spec. Reflective coatings meet Cool Roof Rating Council thresholds and drop attic temperature significantly.

Coating, no permit

Membrane over existing

Jefferson Parish does not require a permit for a coating applied over an existing roof, because no covering is being replaced. The parish re roofing rule kicks in only when the existing membrane is stripped and replaced.

Manufacturer warranty

10 to 15 years

Silicone and elastomeric coating manufacturer warranties typically run 10 to 15 years when the coating is applied at the specified thickness on a properly prepared substrate. Big Easy Roofing applies to spec so the warranty holds.

Cool roof reflectivity

15 to 30 F drop

Reflective silicone, acrylic and aluminum coatings drop attic temperature by 15 to 30 degrees Fahrenheit in Louisiana summer, cutting cooling load. Coatings that meet Cool Roof Rating Council thresholds qualify for some utility rebate programmes.

Fortify grant does not apply

Replacement only

The Louisiana Fortify Homes Program grant of up to $10,000 covers a full FORTIFIED standard replacement, not a coating. A homeowner choosing between coating and full FORTIFIED replacement should factor the grant into the replacement side of the calculation.

Why prep matters more than the coating itself

A silicone coating applied to a dirty or damp substrate fails inside two years no matter how good the product spec sheet reads. A cheaper acrylic applied to a properly cleaned, primed and repaired substrate can outlast the more expensive coating on a bad prep.

Big Easy Roofing prices the prep separately in the written scope so the homeowner sees exactly what they are paying for. On a Metairie roof with debris load, existing coating failure, or ponding damage, prep is where the cost is.

When coating is the wrong call

Coating is the wrong route on three roof conditions. Any roof past 20 years old where the substrate is failing. Any roof with active leaks that were not fully repaired before the coating went on. Any sloped shingle roof (coatings are for low slope and flat, not steep shingle).

Big Easy Roofing says this plainly on the free inspection at your Metairie address. A coating that will fail early is not a saving.

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Where coating pays off on a Metairie roof

Coating is not for every roof. Three Metairie scenarios stand out where a reflective coating pays back on both cost and comfort within the first year. Low slope rear porches and additions, tar and gravel or modified bitumen roofs approaching end of life, and flat commercial roofs where cooling load is the biggest operating cost.

Low slope rear porches and additions

Many Metairie homes have a low slope rear porch or an addition over a garage that pond water and fail before the main pitched shingle roof does. Rather than tear off and re roof the low slope section, a silicone or elastomeric coating adds 10 to 15 years and eliminates the ponding water issue in one visit.

Cost typically runs $2 to $6 per square foot on a section of that size, well below the cost of a small modified bitumen replacement.

Aged modified bitumen or built up roofs

A Metairie modified bitumen or built up roof past 12 years is often structurally sound but visibly tired, with granule loss, seam separation and UV alligatoring across the field. Aluminum asphalt or elastomeric coating extends life by 5 to 10 years at 30 to 50 percent of the cost of a full replacement.

The coating also restores reflectivity, which drops the roof surface temperature by 30 to 60 degrees Fahrenheit on a summer afternoon.

Commercial flat roofs, cooling load driven

On a Metairie commercial flat roof (medical office, strip retail, light industrial), a reflective silicone or acrylic coating pays for itself on the utility bill within a few summer seasons. The coating cuts HVAC load, and Cool Roof Rating Council rated coatings may qualify for utility rebates.

Big Easy Roofing sizes and quotes commercial coatings on the same day as the free inspection and provides utility rebate documentation for the property manager.

Big Easy Roofing Coating Process

Three steps from the first call to a coated Metairie roof, with the coating type and price agreed in writing before any prep begins. Every coating job starts with a free inspection that confirms the substrate is a candidate for coating, and the photograph pack stays with the homeowner whether the work is booked or not.

Roofing estimator in a high visibility vest checking the siding and roof edge of a home
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01

Free coating candidacy inspection

Same week appointment at the address. The roofer confirms the roof is a candidate for coating, photographs the substrate condition, and identifies any prep work required before coating goes on.

02

Written coating scope with the price

The scope names the coating type (silicone, acrylic, elastomeric, polyurethane, aluminum), the number of coats, the prep required, the manufacturer warranty, and the fixed price per square foot. The number the homeowner signs is the number they pay.

03

Coating applied in 1 to 3 days

Most Metairie coating jobs are completed in one to three working days depending on size, prep, and weather. The property is cleaned after the visit and the workmanship warranty is filed with the invoice.

Everything else we do in Metairie

The rest of the Big Easy Roofing services available in Metairie, each with its own page, crew and written scope. Where the defect turns out to be too big for a repair, a full roof replacement is priced honestly against the repair and put in the same written scope.

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Metairie Roof Coating FAQs

The questions Metairie homeowners and property managers actually ask us about roof coating, answered before you have to pick up the phone.

Topic

Question not here?

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

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How long does a Metairie roof coating take to apply

Most Metairie roof coatings are applied in one to three working days depending on roof size, the amount of prep required, and weather. A small residential porch roof can be one day. A commercial flat roof over 3,000 square feet can be three or more days. Coatings need dry weather during application and cure time.

How much does a roof coating cost in Metairie

Estimated ranges. A Metairie roof coating runs $2 to $6 per square foot depending on the coating type. Acrylic is cheapest at $2 to $3.50. Silicone is most expensive at $4 to $6. Elastomeric sits between at $3 to $4.50. Polyurethane at $4 to $5.50. Aluminum asphalt at $2 to $3. Prep work is priced separately in the scope.

Do I need a Jefferson Parish permit for a roof coating

No. Jefferson Parish does not require a permit for a coating applied over an existing roof because no covering is being replaced. The parish re roofing rule kicks in only when the existing membrane is stripped. Coating adds a membrane over the existing surface.

Which coating is best for a Metairie roof

Depends on the roof. Silicone is best on flat sections with ponding water risk and has the longest life at 15+ years. Acrylic is cheapest and works on sloped low slope sections. Polyurethane is best where the roof carries foot traffic. Aluminum asphalt is best on existing modified bitumen. Big Easy Roofing recommends the right type after the free inspection.

Will a coating stop an active leak on my Metairie roof

Only where the leak has been fully repaired first. Coating is a preventive membrane, not a leak repair. Big Easy Roofing prices any repair work separately in the scope, then applies the coating over the properly repaired substrate. Coating over an unrepaired leak fails inside the first year of the warranty.

How long does a Metairie roof coating last

Depends on the coating and the prep. Silicone lasts 15 or more years. Elastomeric lasts 10 to 12 years. Polyurethane lasts 12 to 15 years. Acrylic lasts 7 to 10 years and typically needs a re coat sooner. Aluminum asphalt lasts 5 to 8 years. All figures assume proper substrate prep and application at manufacturer specified thickness.

Does a reflective coating actually cut cooling costs in Metairie

Yes, measurably. Reflective silicone, acrylic and aluminum coatings meet Cool Roof Rating Council reflectivity thresholds and drop attic temperature by 15 to 30 degrees Fahrenheit in Louisiana summer, which cuts HVAC load. On a commercial flat roof the savings on cooling can pay back the coating cost within a few summer seasons.

Can I coat a shingle roof in Metairie

Generally no. Roof coatings are designed for low slope and flat roofs (modified bitumen, TPO, EPDM, built up, spray polyurethane foam), not for steep pitch shingle roofs. On a Metairie home with both a pitched shingle main roof and a low slope rear porch, the coating goes on the porch section only. The shingle roof is left as is.

Do you coat roofs in Old Metairie, Bucktown and the lakeside neighbourhoods

Yes. Big Easy Roofing applies roof coatings across all of Metairie, including Old Metairie, Bucktown, the Lake Vista side, and the neighbourhoods along Veterans and Metairie Road. Coverage extends to Kenner, Harahan, River Ridge and the rest of unincorporated Jefferson Parish.

Do you coat commercial flat roofs in Metairie

Yes. Commercial coating is one of the highest value services for Metairie property managers because the reflective coating cuts HVAC operating cost on top of extending roof life. Big Easy Roofing coats TPO, modified bitumen, single ply, built up, and spray polyurethane foam commercial roofs. Commercial coating sits under the Commercial services tab above.

Book a Metairie roof coating inspection

Free candidacy inspection at the address, honest call on which coating fits, and a written scope with the coating type, prep and fixed price per square foot before any application.

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Roof Coatingin Metairie