Armstrong SUPRAFINE XL 9/16" Exposed Tee System - Heavy Duty

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.

• Main beams carry the load of the grid system
• Wall moldings are used as a finishing trim to hang against the walls in the space
• Cross tees are the supporting grid pieces that attach perpendicular to the main beams, helping create the 24” x 24” or 24” x 48” opening needed for your tiles. Alternate cross tee sizes are also available for less common tile sizes.
• Hanger wires attach to the ceiling joists and are how the main beams and cross tees hang

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Connect with one of our customer service team members by phone at (866) 438-8833, by submitting this form, or chat with us directly on our site to discuss your company's specific payment needs and see if you qualify.

Yes, we accept tax exempt orders for qualifying businesses. You will need to provide your tax exempt certification using the steps below.

1. Create or login to your Kanopi account.
2. When logged in, click on the ‘click here to submit certificates’ button.
3. The platform will guide you through the process until completion.
4. Once you submit, you will be able to immediately proceed with your purchase(s) exempt from sales tax.

If you have any questions, please connect with our customer support team.

There is no minimum order requirement on Kanopibyarmstrong.com. However, to qualify for free shipping your order must be over $750.

FIRE GUARD means that the product is engineered and tested as part of a fire resistant system, which includes tile, grid and the structure itself. Please check local building codes requirements for your space. The following link will direct you to additional information and support for Armstrong's Fire Resistant ceiling systems. 

Fire ratings refer to flame spread and smoke development. Ratings indicate how rapidly flame spreads on one surface as compared to another. The flame spread rating is broken into three categories: Class A, Class B and Class C. Class A products have a flame-spread of 25 or less, and smoke developed of 50 or less. Class C products have a flame-spread of 76-200, and smoke developed of 0-450. Class A products are appropriate in the majority of commercial applications and Class C products are appropriate in most residential applications.