Shoulder RSI overhead
Le problème
Arms overhead: strain assessment mandatory beyond 1 h/day, rotator cuff RSI in 2 h.
Sept Tools
Eland plus Gazelle: muscular load divided by 5, vibration 0.35 m/s² measured at handle.
Sept Tools
The ceiling concrete grinder that lasts on site
Ceiling grinder, long-reach grinder, overhead concrete grinder: whatever you call it on site. The Sept Tools ceiling grinder is made in Roanne, designed for raw concrete and built to outlast the job.
Free quote, no obligation, reply within one working day. Equipment guaranteed 24 months.
Concrete ceiling grinding removes laitance, formwork marks, and old coatings from soffits before repainting, waterproofing, or structural bonding. Sept Tools performs it with the brushless Fouine XB165 head mounted on the Gazelle trolley or the Eland articulated arm, so the operator guides the tool instead of holding it overhead, with Class H dust capture at the source.
Our solutions
View all our products Which machine for your job site?
The machines below are selected for this application: brushless motors, dust captured at the source (class H extraction) and anti-MSD design. Quote within one working day.
View product Fouine XB165
The Fouine XB165 is our versatile wall and ceiling grinder, designed for renovation, construction, demolition, asbestos abatement and dismantling. Brushless 1600 W constant-torque motor, 0.35 m/s² vibration, 60 dB(A), IP65. Mounted on a Gazelle Premium or Eland trolley, it grinds concrete ceilings without holding the machine overhead. Ø165 disc for grinding, swappable bush-hammering drum in under 2 minutes. Designed in Roanne, parts in stock, national 48h after-sales.
View product Gazelle Premium
The Gazelle Premium trolley carries the Fouine XB165 (or other compatible machine) for strain-free ceiling grinding. 36.2 kg, working height up to 3.80 m, non-marking wheels. Single-operator throughput 7 to 12 m²/h on concrete, x4 vs manual pole. Compatible with class H vacuums IU33 Longopac and IU40-200. Built in Roanne, European delivery within 5 to 10 working days.
View product Eland Bras de ponçage
The ELAND GRINDING ARM is a ceiling grinding trolley fitted with a grinding arm module to support the FOUINE or FOUINETTE grinder.
View product IU33 Longopac
The IU33 Longopac is our class H construction vacuum for HEPA H13 source capture. 1100 W, 25 kg, 65 l/s flow. Longopac bagging system: continuous sealed bag, emptying without reopening, eliminating dust release on disposal. Compatible with all our grinders, planers, wall chasers and core drills. Compliant with the crystalline-silica OEL of 0.1 mg/m³ (anticipating 0.05 mg/m³ in 2027). EN 60335-2-69 annex AA. Roanne, 48h after-sales.
View product IU40
The IU40 is a universal bypass motor cyclonic dust extractor designed for fine dust extraction on site. Its compact design facilitates transport and provides stable manoeuvrability. Equipped with a 22 m Longopac system, a ULPA+PTFE cartridge filter (18,500 cm2 filtration area) and an airflow of 340 m3/h, it is the ideal extraction solution for the Petit Potam and Fouine grinders.
View product IU51
The IU51 is a dual universal bypass motor cyclonic dust extractor. Extremely compact for easy transport and excellent handling, it is ideal for confined spaces. Its automatic filter cleaning system guarantees continuous maximum efficiency. Equipped with 2 ULPA+PTFE cartridges (22,000 cm2), an airflow of 340 m3/h and the 22 m Longopac system. Compatible with the Petit Potam, Fouine and Castor.
View product IU81
The IU81 is a triple-motor cyclonic dust extractor, the market reference in terms of durability. Its enhanced filter protection against abrasive materials and improved cyclonic effect make it the high-performance solution for demanding sites. Automatic filter cleaning (also available in manual mode). Equipped with 3 ULPA+PTFE cartridges (36,000 cm2), an airflow of 510 m3/h and the 22 m Longopac system. Compatible with the Petit Potam, Fouine and Castor.
View product IU200
The IU200 is an industrial dust extractor with automatic filter cleaning and a multi-filter system. Designed for continuous 24/7 operation with no maintenance, it offers exceptional durability. Industrial extraction of fine dust for a clean and safe working environment. Equipped with 5 ULPA+PTFE cartridges (100,000 cm2), a turbine delivering 1,100 m3/h and a large-capacity drum. Compatible with the Petit Potam, Fouine and Castor.
Measured performance
7-12m²/h
Concrete ceiling ground
With Fouine XB165 plus Eland Grinding Arm. Conventional pole method: 2 to 3 m²/h.
/5
Muscular load
Divided by 5 measured at RULA thanks to the Eland plus Gazelle ergonomic chain.
0.35m/s²
Hand-arm vibration
Regulatory ELV 5 m/s². Sept Tools brushless: 14 times below the legal threshold.
60 dB(A)
Sound level
Quiet brushless: compatible with operating car parks and occupied buildings.
Traditional method vs Sept Tools
×
Manual pole grinding
- 2 to 3 m²/h of ceiling prepared
- Outstretched arms, shoulder pain in 2 h
- Vibration above 5 m/s²
- Dust falling on the operator
- Sessions limited to 90 min in PPE
✓
Sept Tools ceiling chain
- 7 to 12 m²/h with a single operator
- Muscular load divided by 5 (RULA)
- Vibration 0.35 m/s² (14x below threshold)
- HEPA H13 source capture
- 4 to 6 h sessions in full PPE possible
Why Sept Tools
Why choose French brushless tools?
Ergonomics first
Eland Grinding Arm and Gazelle trolley: the operator no longer carries anything, only guides.
Constant-torque brushless
Constant torque, zero loss under load, x13+ service life with no internal wear parts.
Source extraction
IU33 Longopac H13 captured directly at the pad, zero falling dust on the operator.
Safe overhead working
Eland trolleys up to 3.80 m. Compliant with workers' comp fall prevention guidance.
Our ceiling grinding process
1
Access diagnosis
Headroom, access and occupied site or PPE constraint assessment.
2
Chain set-up
Fouine XB165 plus Eland Grinding Arm or Gazelle depending on the zone.
3
Grinding 7-12 m²/h
Single operator, machine carried by the trolley, source capture.
4
IU33 Longopac H13
Continuous sealed bagging, zero falling dust, silica compliance.
5
Finish check
Surface condition verification for the next site phase.
- 1
Access diagnosis
Headroom, access and occupied site or PPE constraint assessment.
- 2
Chain set-up
Fouine XB165 plus Eland Grinding Arm or Gazelle depending on the zone.
- 3
Grinding 7-12 m²/h
Single operator, machine carried by the trolley, source capture.
- 4
IU33 Longopac H13
Continuous sealed bagging, zero falling dust, silica compliance.
- 5
Finish check
Surface condition verification for the next site phase.
Challenges and solutions
Which challenges, and how to solve them?
Pole method too slow
Le problème
Manual method: 2 to 3 m²/h maximum, useful shift limited to 90 min before saturation.
Sept Tools
Fouine on trolley: 7 to 12 m²/h, useful shift full day.
Noise in operating car park
Le problème
Angle grinder 90 dB(A) banned in operating car parks, hospitals and occupied offices.
Sept Tools
Brushless 60 dB(A): no time restrictions, permanent cohabitation with users.
Carbon bonding profile
Le problème
CFRP bonding to slab soffit: critical surface profile, sub-millimetre tolerance for structural hold.
Sept Tools
Diamond pad plus variable 500 to 4800 rpm, IP65, CSP profile compliant with EN 1504.
Asbestos containment and capture
Le problème
Asbestos zone at 10 Pa: HEPA H13 source capture mandatory, extended PPE sessions.
Sept Tools
Fouine IP65 plus IU33 Longopac class H: SS3 compliant, continuous hermetic bagging.
Falling dust on operator
Le problème
Ceiling grinding: silica fines fall directly on face and airways.
Sept Tools
HEPA H13 source capture at 65 l/s: exposure divided by 50, OEL 0.1 mg/m³ compliant.
Use cases
For which job sites?
Multi-storey car park renovation
Ceiling grinding across thousands of square metres. Gazelle Premium trolley: single operator processes 7 to 12 m²/h, productivity x4 versus manual pole method.
Office and hospitality ceiling prep
Underside grinding before decorative paint in offices, hotels and reception halls. Fouine XB165 at 8 to 12 m²/h on soft substrates like plaster and degraded coatings.
Asbestos abatement under slab
Extended sessions in full PPE in confined zone: Fouine plus IU33 plus trolley allows 4 to 6 h continuous (versus 90 min unassisted). SS3 and SS4 asbestos sector.
Tunnel and infrastructure before coating
Voussoir concrete and slab undersides on civil works before waterproof or anti-graffiti coatings. Fouine 3.9 kg on Gazelle covers all section profiles, 7 to 10 m²/h.
Frequently asked questions
Your questions, answered
Why is ceiling grinding so demanding?
Working with raised arms continuously stresses the rotator cuff, trapezius and neck. Add the cumulative weight of the grinder and the vibration. Without an ergonomic solution, useful shift duration drops below two hours per operator.
What does the Gazelle Premium trolley change?
The trolley fully carries the machine. The operator only handles guidance. A two-hour shift becomes a full pain-free working day. The investment is recovered in just a few projects.
Is the equipment compatible with asbestos work?
Yes. Our grinders operate in asbestos zones with a class H vacuum and standard wetting protocols. The IP65 brushless motor withstands high-pressure cleaning between operations.
How long does a diamond pad last?
On raw concrete, expect 200 to 400 m² depending on grit and substrate hardness. Our pads are calibrated to the range and always in stock in Roanne.
Do you provide training?
Yes. Every system delivery includes free on-site or video training. We also train your operators on first-line maintenance to limit downtime.
Is captive ceiling grinding suitable for asbestos removal? Are there verified field results?
Yes. Our captive grinding system (Fouine XB165 on trolley + IU33 Longopac class H) was put to the test on a live NHS hospital site in the United Kingdom: 1000+ m² of textured asbestos coating removed in 4 productive weeks, with independent UKAS-accredited air monitoring confirming dust levels 5 times below the regulatory threshold (0.02 f/ml measured against 0.1 f/ml limit). <a href="/en/case-studies/uk-asbestos-removal-hospital-site">Read the full case study</a>.
Cart or articulated arm: which is right for ceiling grinding?
The Gazelle trolley suits flat, open ceilings such as car parks and warehouse soffits, where the operator moves the machine along a clear run. The Eland articulated arm suits ceilings with obstacles, ducts, or beams, since the arm reaches from 2.20 to 3.80 m and pivots around fixed elements the trolley cannot pass. Both carry the Fouine XB165 head and share the same diamond pads.
What is the maximum working height for ceiling grinding?
The Eland articulated arm covers working heights from 2.20 to 3.80 m, and the Gazelle trolley reaches ceilings up to 3.80 m. Both configurations are sized for standard slab heights in car parks, offices, and industrial buildings; taller or irregular ceilings are assessed on-site before a quote is issued.
Does concrete ceiling grinding require Class H dust extraction?
Yes, grinding raw concrete or old coatings releases crystalline silica dust, which is captured at source through Class H extraction connected directly to the grinding head. This is the standard setup for every Sept Tools ceiling grinding configuration, not an optional accessory, and it applies equally to occupied sites and asbestos-adjacent work.
Should a contractor rent or buy a concrete ceiling grinder?
For occasional jobs, renting covers the need without tying up capital. For contractors who grind ceilings regularly, buying a brushless machine removes the dependency on rental availability and condition, and the motor lifespan spreads the cost over years rather than single jobs. A tailored quote compares both paths against your actual usage.
How does a classic rigid-arm giraffe sander compare to the Fouine on a cart or arm?
A classic rigid-arm giraffe sander is held and pushed by the operator for the full session, so fatigue sets the real pace regardless of the motor. Mounting the Fouine XB165 on the Gazelle trolley or the Eland arm transfers that weight to the carrier: the operator guides the head instead of supporting it, which keeps the pace steady over a full working day.
What factors affect how long a ceiling grinding job takes?
Duration depends on the concrete hardness and laitance thickness, the diamond pad grit selected, ceiling height and obstacles that slow trolley movement, whether the site is occupied and requires PPE or noise limits, and how much surface preparation the coating or bonding step afterwards demands. A site visit lets us size the configuration and timeline accurately.
Go further
Related solutions and techniques
Compare with competitors
Compare with competitors See the real differences: motor, drive, rpm, weight, dust capture, side by side on manufacturer data.
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