Armstrong Ceilings SUPRAFINE 9/16 in. Main Beam, 144 in Length, Galvanized Steel, 20-Pack

SUPRAFINE 144-in Galvanized Steel Ceiling Grid Main Beam (20-Pack)

Professional-grade 9/16 inch exposed tee main beams for suspended ceiling systems, made from hot-dipped galvanized steel for strength and corrosion resistance. Each 144-inch beam features a flush-fit interface and staked-on clip for reliable, fast installation across commercial spaces.

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Key Features:

• Durable Construction: Hot-dipped galvanized steel resists corrosion for long-term performance
• Exposed Tee Profile: 9/16 in. face with flush-fit cross tee/main beam interface for clean visuals
• Installation Ready: Staked-on clip and 6 in. rout/slot spacing streamline layout and assembly
• Commercial Strength: Intermediate-duty main beam with recommended hanger spacing for robust support
• Project Value: 20-piece carton covers 240 ft of main beam for efficient large-area installs

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Profile Type	Exposed Tee
Face Profile	9/16 in
Component Type	Main Beam
Length	144 in
Material	Hot-dipped galvanized steel
Height	1-11/16 in
Rout/Slot Spacing	6 in
Cross Tee/Main Beam Interface	Flush fit
End Detail	Staked-on clip
Duty Rating	Intermediate Duty
Hanger Spacing	4' - 12.75 plf; 5' - 5.74 plf
Seismic Category	C
Pieces per Carton	20
Feet per Carton	240 ft
Size	9/16 in
Profile Name	SUPRAFINE XL 9/16 in Exposed Tee

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Frequently Asked Questions (FAQ):

Q: What ceiling systems is this compatible with?
A: It’s a 9/16 inch exposed tee main beam designed for Armstrong SUPRAFINE XL grids; use with compatible 9/16 in. cross tees, hangers, and accessories per Armstrong guidelines.

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Q: How many feet does one carton cover?
A: A 20-piece carton at 144 inches each provides 240 linear feet of main beam.

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Q: What is the material and finish?
A: Hot-dipped galvanized steel, designed for strength and corrosion resistance.

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Q: Is it suitable for seismic applications?
A: The SUPRAFINE XL system components include options rated for Seismic Category C; verify the full system configuration per local code and Armstrong documentation.

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Q: How do I disinfect or clean the grid?
A: Per Armstrong’s Cleaning & Disinfecting Guidelines, components may be wiped, sprayed, or fogged using EPA-approved disinfectants following CDC recommendations.

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Sleek Lines, Elevated Ceilings

SUPRAFINE’s slender 9/16-inch profile draws a refined lattice across the plane, lending a tailored rhythm to open offices and contemporary lobbies. The flush-fit interface creates an uninterrupted, elegant grid that lets tiles and lighting float. Pair it with luminous panels and linear fixtures to sculpt a bright, gallery-like atmosphere. This is the quiet, architectural backbone that makes sophisticated spaces feel effortless.

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Choose SUPRAFINE main beams today to build a clean, durable ceiling grid that installs fast and looks impeccably modern.

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