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Product < Aluminum Profiles < Clean room ceiling grid

Clean Room Ceiling Grid

Type 1: FFU ceiling grid system 

The FFU grid is actually a modular clean room ceiling grid system, designed according to the characteristics of clean workshops, making it easy to install, easy to disassemble, and reusable.


FFU (Fan Filter Unit) is a combination of a fan and a filter, also known as a "built-in fan filtration device". FFU is usually installed at the air supply end of the clean room and is usually placed on a suspended sealing keel frame. The upper part of the FFU is the fan module, and the lower part is the filter. According to the requirements of cleanliness, filters can be of different levels of high-efficiency (HEPA) or ultra-high-efficiency (ULPA) filters to provide clean air for the clean room.

The fan module not only needs to overcome the resistance of the FFU lower high-efficiency filter, but also needs to overcome the resistance of all channel components of the entire circulating air, in order to maintain the operating wind speed.

The FFU system has the characteristics of simple design and construction, flexible wind speed regulation, and easy modification of clean areas, making it one of the popular systems in industrial clean rooms. The FFU laminar air supply unit module can be connected for use, making it widely used in clean rooms, clean workbenches, clean production lines, assembled clean rooms, and laminar flow hoods. FFU is equipped with an initial and efficient bipolar filter screen. The fan sucks in air from the top of the FFU and passes it through the primary and FFU high-efficiency filters. The filtered clean air is uniformly sent out at a wind speed of 0.45m/s ± 20% on the entire air outlet surface.

Due to the convenience of assembly and maintenance, the FFU clean room ceiling grid system in the clean room is currently widely used. In addition to considering the strength of FFU and lamp installation, it also needs to maintain good airtightness in terms of performance, as well as maintenance of the upper pipeline equipment in the future.

A stronger system can be selected for heavy loading in some certain area or apply a reinforcement design based on indoor requirement. The design of the joint allows for the installation of fire sprinkler heads and power lines to ensure its airtightness.


The FFU clean room ceiling grid system is suitable for local laminar flow systems, FFU systems, and air purification systems of different cleanliness levels.

Materials for FFU clean room ceiling grid system

FFU two-way connection
FFU three-way connection
FFU four-way connection
FFU ceiling grid
FFU ceiling grid cross connection
FFU ceiling grid T connection
Single side ceiling panel clamp
double side ceiling panel clamp
FFU ceiling grid L connection
FFU ceiling grid inner hexagon screw

Ceiling panel to match FFU clean room ceiling grid system: 

  • product name: clean room ceiling panel

  • panel thickness: 12 mm

  • panel width: 200-1180 mm

  • panel length: as project need

  • metal skin thickness: 0.4/0.45/0.5 mm

  • metal skin type:

       color coated galvanized steel sheet/stainless steel sheet/anti-corrosion sheet

  • regular coating type:

       Fluorocarbon coated PVDF/polyester PE coating

  • stainless steel thickness: 0.4/0.5 mm

  • core insulation: gypsum board/aluminum honeycomb

  • color: white grey, sea blue, or customized

  • connection way: by FFU ceiling grid                                

  • minimal order quantity: any quantity required

  • lead time: within 7 days

FFU clean room ceiling grid system characteristics:

1. Modular design:

a. Reduce processing time, shorten delivery time, and make assembly simple, convenient, and fast;

b. Design changes are easy, expandable; efficient filters, FFU lighting fixtures, and other equipment can be easily installed; changes can be made according to special FFU sizes.


2. Cutting in factory only assembly actions on site, to reduce pollution during construction; 

3. Aluminum alloy surface sealing treatment, beautiful appearance;

4. Suitable for clean room installation projects above Class 1-10000;

5. T bar adopting 6063 aluminum alloy, anodized for over 10 u, joint pieces using zinc alloy die-casting molding with epoxy surface        treatment;

Type 2: non-walkable ceiling 

Non walkable ceiling is using machine made sandwich panel as ceiling panel, fixed by 100 T alum. and same by a hanger rod to fasten to the steel structure roofing frame or concrete roof. When machine made panel as ceiling, the panel length is better to control under 4 meter. 

Machine made sandwich panel for ceiling

  • panel thickness: 50/75/100 mm

  • panel width: 1150 mm

  • panel length: as project need

  • metal skin thickness: 0.4/0.45/0.5 mm

  • core insulation: eps/pu/rockwool/MgO

  • connection way: male and female connection fixed by T alum. 

  • minimal order quantity: 300 sqm

  • lead time: within 7 days

More information about the aluminum accessories, kindly click here


Type 3: walkable ceiling 

Walkable ceiling is designed for the construction or maintenance of filters, lighting fixtures or other clean room equipment up of the ceiling panels. It will use handmade sandwich panel as it is much stronger than machine made panels, and fixed by a specific ceiling hang and connected to the roofing by the hanger rod. 

hand made sandwich panel for ceiling

  • panel thickness: 50/75/100 mm

  • panel width: 200-1180 mm

  • panel length: as project need

  • metal skin thickness: 0.4/0.45/0.5 mm

  • core insulation: eps/pu/rockwool/MgO

  • connection way: fixed by a ceiling hang

  • minimal order quantity: any quantity 

  • lead time: within 7 days

More information about the alum. profiles, kindly click here



1. How long for each piece of alum. profile? 

Re: Standard length is 6 m, we can cut based on your requirement in factory before shipment. 

2. How is the packing way for the alum. profiles? 

Re: It is packed by the plastic film by per 10 pcs or 20 pcs, then put into container by packages. Or you can require a wooden case. 


3. If possible to cut the holes on ceiling panel in factory for light fixtures installation?

Re: Sure, we have machine to do this for you.  


4. What is the minimal quantity for the ceiling grid and other alum. accessories?

Re: For alum. profiles, we have regular stock here, so MOQ of 1 pcs is acceptable. 

5. What is the delivery time for alum. profiles?

Re: Since it is stock here, so delivery time can be any time once the order confirmed. 

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