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Plafond à grille ou plafond à alvéoles ouvertes : lequel convient le mieux à votre projet ?
In the past year, our engineering team has responded to a wide range of project inquiries involving ceiling system selection — and one of the most common questions from architects and contractors is: “Should we use a grid ceiling or an open cell ceiling for this space?” Both are widely used aluminum ceiling systems, but they solve different problems. As a professional aluminum ceiling manufacturer, Dingchengzun works with both systems every day, so this guide breaks down the real differences and helps you match the right system to your project.
What Is a Grid Ceiling?
A plafond en treillis is built on a T-grid or cross-tee suspension framework, into which modular aluminum panels — typically 600×600mm or 595×595mm — are laid or clipped in. The panels form a closed, continuous surface rather than an open pattern.
During production, flatness and dimensional tolerance directly affect how the finished ceiling looks once installed across a large area. Panels that are even slightly out of tolerance become visibly uneven under linear lighting, which is why tight tolerance control during CNC processing and cold bending matters more than it might seem on paper.
Grid ceilings are especially practical where the space above the ceiling needs frequent access — electrical, HVAC, fire suppression, or medical gas lines, for example. Each panel can be lifted and replaced individually without disturbing the rest of the ceiling, which keeps maintenance fast and low-cost over the building’s lifetime.
Common applications include:
- Suspended aluminum grid ceilings for hospital corridors
- Suspended aluminum grid ceilings for government building corridors
- Suspended aluminum grid ceilings for modern libraries
What Is an Open Cell Ceiling?
An open cell ceiling — sometimes called a grille ceiling — uses an open, honeycomb-like grid of aluminum strips instead of solid panels. Rather than closing off the plenum space, it leaves it visible, creating a sense of depth while still concealing the rougher elements of the structure above.
Because the cell openings can be adjusted in size and spacing, open cell ceilings offer a wide range of open-area ratios, which directly affects how much airflow and light pass through. A tighter cell spacing gives a more solid visual appearance with less openness, while a wider spacing maximizes ventilation and allows lighting fixtures above the ceiling to diffuse more naturally — useful in large transit halls and atriums where mechanical systems need to breathe without exposed ductwork.
Open cell ceilings are widely chosen for:
- Modern aluminum grille ceiling systems in airport halls
- Modern open metal ceiling systems in metro corridors
- Custom aluminum grille ceiling systems in modern shopping centers
- Modern metal grid ceiling systems in exhibition centers
Key Differences at a Glance
| Comparaison | Plafond à grille | Plafond à cellules ouvertes |
|---|---|---|
| Surface type | Closed, continuous panel | Open honeycomb/grille pattern |
| Typical panel size | 600×600mm / 595×595mm | Adjustable cell spacing |
| Airflow & light transmission | Limité | High, adjustable by cell size |
| Maintenance access | Individual panels removable | Open structure allows direct visual access |
| Caractère visuel | Flat, uniform, orderly | Layered, airy, architectural |
| Typical settings | Hospitals, offices, libraries | Airports, metro stations, malls, atriums |
Which One Fits Your Project?
Rather than a generic rule of thumb, the right choice usually comes down to how the space above the ceiling needs to be managed and how the room is meant to feel:
- Frequent access to mechanical or medical systems above the ceiling → a plafond en treillis is easier to open, inspect, and reseal without visible disruption. This is why hospital corridors and lab buildings favor grid systems.
- Large-volume public spaces that need visual openness and better airflow → an open cell ceiling performs better, particularly where HVAC diffusion and natural light layering matter, such as terminal halls or shopping atriums.
- Enclosed spaces with acoustic or privacy requirements → grid ceilings, often combined with acoustic backing, give more consistent sound control.
- Transportation hubs and civic buildings aiming for a distinct architectural identity → open cell or plafond à chicanes systems tend to create a stronger visual statement while still supporting the services above.
We’ve seen this play out directly in real projects. In the Guangzhou Women and Children’s Medical Center, Huadu Campus, corridor and ward areas called for closed grid ceilings so that medical gas lines and electrical systems above could be serviced without disrupting patient areas. In contrast, large public-facing areas such as airport terminals typically lean toward open cell or grille systems, where the priority shifts to airflow, lighting integration, and a more open architectural feel. For the luxury residential project in Dushanbe, Tajikistan, the two approaches were combined within the same building — open, airier systems in lobby and public areas, and closed grid panels in service corridors where maintenance access mattered more than visual openness.
Customization Options
Both systems can be adjusted well beyond their standard configuration. Panel or cell size, perforation pattern, edge profile, and finish can all be tailored to a project’s drawings. Dingchengzun’s surface finish and color options include powder coating, PVDF, anodized, wood-grain, and stone-grain finishes, allowing either system to match a building’s broader material palette rather than standing apart from it.
With CNC automation, cold bending, and precision cutting equipment in-house, and a daily production capacity of up to 50,000 square meters, Dingchengzun supports both sample development and large-volume bulk orders, so project teams can validate a finish and dimension before committing to full production.
Conclusion
Grid ceilings and open cell ceilings both solve real, distinct problems — one prioritizes maintenance access and a clean, uniform surface, the other prioritizes airflow, light, and architectural openness. The right answer depends less on which system looks better in isolation and more on how the space above the ceiling needs to function.
Not sure which system fits your project? Send us your ceiling area, application type, and maintenance requirements, and our engineering team will help you find the right fit before you commit to a full order.
