Basic
$0.78 – $2.33 per sq ft
Slate cleaned and degreased, one coat of penetrating sealer for a natural matte look

Clean and apply penetrating or enhancing sealer to an existing slate floor, per sq ft.
Seal Slate Floor in New Orleans, Louisiana typically costs $0.92 to $2.75 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in New Orleans are 9.0% lower than the national average for seal slate floor.
National average: $1 – $3 per sq ft
$0.78 – $2.33 per sq ft
Slate cleaned and degreased, one coat of penetrating sealer for a natural matte look
$0.92 – $2.75 per sq ft
Slate deep cleaned, two coats of color-enhancing penetrating sealer to deepen the natural tones
$1.14 – $3.43 per sq ft
Slate deep cleaned, color-enhancing penetrating sealer plus a satin protective topcoat for richer color and soft sheen
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.42 – $1.27 | sq ft |
| Labor | labor | $0.30 – $0.91 | sq ft |
| Supplies & Other | supplies | $0.11 – $0.34 | sq ft |
| Equipment & Disposal | equipment | $0.08 – $0.23 | sq ft |
Multicolor slate floor tiles after cleaning and sealing
Photo: cogdogblog · CC BY 2.0 · Source
Find a pro to do thisSee how seal slate floor looks in each style, with photos of real projects by working designers.
New Orleans style comes from Creole cottages, shotguns and French Quarter townhouses: high ceilings, tall windows, plaster walls, dark wood, transoms and a layered, slightly bohemian mix of old furniture and art. Color is saturated and the palette is warm.
Photos of the styles New Orleans draws from.
Traditional living room
Photo: Emora Design Studio · Profile
Traditional interior
Photo: Jo Lyle & Co. · Profile
Traditional bathroom
Photo: Jennifer Taylor Design · Profile
Traditional bathroom
Photo: Studio Catherine Rose · Profile
Traditional bathroom
Photo: Studio Steidley · Profile
Traditional kitchen
Photo: Cabana Home · Profile
Traditional kitchen
Photo: Cielo Home · Profile
Traditional kitchen
Photo: Debra Butler Design Studio · Profile
Traditional kitchen
Photo: Designs Unlimited · Profile
Material costs in New Orleans run proportionally higher than labor, which may favor labor-intensive approaches.
Connect with local seal slate floor contractors in New Orleans for personalized quotes based on your specific project.