C‑DRONE

🫧 HIGH-ACCESS CLEANING · DUNKERQUE (59) · €500–2,500 PER JOB

Drone high-access cleaning in Dunkerque

Cleaning drones project water and treatment solutions at high pressure onto high surfaces, without scaffolding, lift platforms or rope access: roof moss removal, facade cleaning, industrial cladding, soiled photovoltaic panels, glass canopies and steel structures. Fed from the ground through a hose connected to a pumping station, the drone treats 300 to 500 m² per hour depending on the surface — two to four times faster than traditional access methods, at a markedly lower cost as soon as the height exceeds two storeys.

We match the treatment to the substrate: low-pressure rinsing with deionised water for solar panels (no streaks), certified moss killer for roofs, appropriate detergents for cladding and render. The gain is not merely cosmetic: clean panels recover several percent of output, a de-mossed roof lasts longer, maintained cladding keeps its manufacturer warranty.

Free quote — high-access cleaning in Dunkerque

Rates

€500–2,500 per job — the range observed on the 2026 French market, including regulatory preparation, flight and delivery. The exact quote depends on the site, the deliverable and the airspace context in Dunkerque.

Common use cases

The local context in Dunkerque

Dunkerque concentrates a rare level of sensitive zones: the major seaport and its terminals, a dozen upper-tier Seveso sites (ArcelorMittal steelworks, refining, chemicals), the Gravelines nuclear plant — western Europe's most powerful, protected by a no-fly zone — fifteen kilometres west, and the Belgian border to the east. Every mission is prepared on the aeronautical chart and with site operators.

That fabric is precisely what makes the market: inspections of port and industrial facilities, monitoring of the battery gigafactory projects and steel decarbonisation, thermography of pioneering heat networks, plus the carnival, the 1940 Dynamo beaches and the Malo-les-Bains seafront for tourism and remembrance imagery.

Applicable regulations

Cleaning drones are heavy machines (10 to 25 kg with the loaded hose): they fall outside the open category for most jobs and operate in the specific category, under a scenario or an operational authorisation with SORA risk assessment, especially as they often fly in built-up areas right next to buildings. The ground area is always cordoned off and closed to the public during treatment (risk of falling water and spray). Environmental rules also apply: approved treatment products, controlled recovery or infiltration of runoff depending on the site, no direct discharge of biocides into storm drains. AlphaTango registration, pilot trained in tethered flight with payload, coordination with the building operator.

Frequently asked questions

Does drone cleaning damage tiles or panels?

No: pressure is adjusted to the substrate (low pressure on tiles and panels, never destructive high pressure) and the drone never touches the surface — unlike foot traffic, which cracks tiles.

What output gain can be expected after solar panel cleaning?

Depending on soiling (dust, pollen, bird droppings, agricultural or industrial deposits), observed gains range from 3 to 15% of output. A thermal inspection can be combined with cleaning to detect faulty modules.

Do water or power need to be cut during the work?

We bring our own water supply (tank and pumping station). For photovoltaic panels, shutting down the inverters during washing is recommended; we coordinate this with your plant operator.

Can this service be flown anywhere in Dunkerque?

Almost: Zone interdite de la centrale nucléaire de Gravelines; Sites Seveso et emprises du grand port maritime; Frontière belge à l'est. Depending on the exact location, the pilot picks the right framework (open or specific category) and files the required declarations — included in the quote.

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