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There are many parts and pieces in a grid system. See the image below for the anatomy of a drop ceiling grid system.

A. Main Beams carry the load of the grid system, typically 12’ or 6’.
B. Cross Tees are the supporting grid pieces that attach perpendicular to the main beams, helping  create the 24” x 24” or 24” x 48” openings needed for your tiles.
C. Wall Moldings are used as finishing trim to hang against the walls in the space.
D. Ceiling Tiles are the tiles used to make up the drop ceiling.
E. Hanger Wires attach to the ceiling joists and are how the main beams and cross tees hang.
F. Plenum is the area or space in between the drop ceiling and the structure above, typically floor  joists or an old ceiling.

ML and XL describe how main beams and cross tees attach to one another. The ML is a hook grid system and the XL is a stab grid system. The XL is required for seismic and specialty ceiling applications but is also the most common connection type across the United States.

The type of grid system needed is dependent on a few different things. First thing to consider is what size and type of tiles will be used within the space. Another thing to consider is the look you want. We have grid systems available in many styles and sizes. Additionally, you have unique circumstances to consider. We have grid systems for use in seismic areas, fire rated grids, as well as grids used for Clean Rooms. As always, reach out to one of our customer support experts or our installation services team for guidance on your specific circumstance.

Installing a ceiling grid requires planning and skilled work. We have many resources available to walk you through the process. Check out this
video
and always make sure to follow the
installation instructions [PDF]
included in the system. If you aren’t ready to tackle the challenge, we have a full-service certified
installation team
ready to help with completing your project from start to finish.

Yes, our ceiling grids can be cleaned. Our grid components are made from hot-dipped galvanized steel, with a corrosion-resistant zinc finish protecting it from rust. Refer to our
cleaning guide [PDF]
and
disinfecting guide [PDF]
for more info.