SKU: 58028972623

Armstrong Ceilings SUPRAFINE XL 9/16" Main Beam, 144 in, Hot‑Dipped Galvanized Steel, 20-Pack

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Description

Armstrong Ceilings SUPRAFINE XL 9/16" Main Beam, 144 in, Hot‑Dipped Galvanized Steel, 20-PackSUPRAFINE 144 in Galvanized Steel Ceiling Grid Main Beam (20 Pack) Heavy duty SUPRAFINE XL 9 16 inch exposed tee main beams for suspended ceiling systems. Each hot dipped galvanized steel beam is 144 inches long with coupling end detail and flush fit interface for a clean, consistent grid. Key Features: Heavy Duty Performance: Rated for demanding installations with DEF seismic category compatibility Durable Material: Hot dipped galvanized steel

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

Heavy-duty SUPRAFINE XL 9/16 inch exposed tee main beams for suspended ceiling systems. Each hot-dipped galvanized steel beam is 144 inches long with coupling end detail and flush-fit interface for a clean, consistent grid.


Key Features:

  • Heavy-Duty Performance: Rated for demanding installations with DEF seismic category compatibility
  • Durable Material: Hot-dipped galvanized steel resists corrosion for long-term reliability
  • Precise Fit: 9/16 in exposed tee face with flush-fit cross tee/main beam interface
  • Efficient Layouts: 6 in rout/slot spacing; hanger spacing options at 4 ft and 5 ft
  • Contractor Pack: 20 pieces per carton covering 240 linear feet

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
Series/Name SUPRAFINE XL 9/16" Exposed Tee
Component Type Main Beam
Profile Type Exposed Tee
Face Profile 9/16"
Length 144"
Material Hot-dipped Galvanized Steel
Duty Rating Heavy Duty
Rout/Slot Spacing 6"
Cross Tee/Main Beam Interface Flush fit
End Detail Coupling
Height 1-11/16"
Pieces per Carton 20
Feet per Carton 240 ft
Hanger Spacing 4' - 16.86 plf; 5' - 10.62 plf
Seismic Category DEF (Categories D, E & F)
Available Colors Multiple options including White, Black, Grey Stone, Silver Grey, Silver Satin, and others
Cleaning/Disinfecting May be wiped, sprayed, or fogged per Armstrong guidelines with EPA-approved cleaners

Frequently Asked Questions (FAQ):

Q: What type of ceiling systems is this compatible with?
A: It is a SUPRAFINE XL 9/16 in exposed tee main beam designed for Armstrong suspended/grid ceiling systems using 9/16 in profile components.


Q: How many beams are in the carton and how much coverage do they provide?
A: There are 20 pieces per carton, each 144 in long, providing 240 linear feet total.


Q: Is this suitable for seismic installations?
A: Yes, components are listed for Seismic Category D, E & F (DEF). Verify full system compatibility per project requirements.


Q: What is the material and finish?
A: Hot-dipped galvanized steel for corrosion resistance; available in multiple colors including White.


Q: How should it be cleaned or disinfected?
A: Beams may be wiped, sprayed, or fogged following CDC recommendations and Armstrong Cleaning & Disinfecting Guidelines using EPA-approved cleaners.


Sleek Structure, Impeccable Lines

SUPRAFINE’s slim 9/16-inch profile draws an elegant lattice across the ceiling, bringing crisp geometry to contemporary spaces. The flush-fit joints create an uninterrupted rhythm that feels both light and intentional. Pair it with luminous tiles and linear lighting for a gallery-caliber finish that elevates the everyday. It’s the quiet framework of luxury—refined, resilient, and beautifully composed.


Choose SUPRAFINE XL main beams for a clean, durable grid that installs efficiently and looks impeccably modern.

Warranty

Installation

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 58028972623

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4.4 ★★★★★
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M
West Palm Beach, US
★★★★★ 3
No information on active ingredients.
Size: 4 Ounce (Pack of 4), Set name: Adult Mint
Gave 3 starts as an act of goodwill . The toothpaste does not specify the type or percentage of active ingredients it contains. For a beneficial effect, the concentration of nano-hydroxyapatite should be 10% or higher. Based on indirect information, this product appears to contain only about 4.2%. The manufacturer did not respond to inquiries regarding the active ingredient content, which is concerning. Additionally, the toothpaste has an unusual taste that is definitely not mint.
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Reviewed in the United States on April 21, 2026
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oliviaxwiest
Carnegie, US
★★★★★ 5
Great for Sensitive Teeth & Leaves My Mouth Feeling Clean
Size: Pack of 1, 4 Ounce, Set name: B. Whitening
Really impressed with the Boka Fluoride Free Toothpaste. It has a clean, refreshing mint flavor without being overpowering, and it feels much gentler on sensitive teeth than other toothpastes I’ve tried. My teeth feel smooth and clean after using it, and I like that the ingredients are simple and fluoride free. Definitely something I’ll keep repurchasing.
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Reviewed in the United States on May 25, 2026
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Oxana
Birmingham, US
★★★★★ 5
Clean Ingredients & Leaves Teeth Feeling Smooth
Size: Pack of 1, 4 Ounce, Set name: B. Whitening
I’ve tried many natural toothpastes, and this one quickly became a favorite. The texture feels smooth, and my teeth feel really clean after brushing. I love that it contains nano hydroxyapatite and is fluoride-free, especially for sensitive teeth. The flavor is fresh without being overpowering, and it doesn’t leave a weird aftertaste. It’s also gentle enough for everyday use and makes my teeth feel polished and healthy. Definitely worth trying if you want a cleaner alternative toothpaste.
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Reviewed in the United States on May 20, 2026
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HonestReviews
Lake Worth, US
★★★★★ 5
Perfect Fluoride alternative
Size: Pack of 1, 4 Ounce, Set name: B. Whitening
I bought this because it's popular in other countries like Japan. America is so behind using fluoride, when it's been proven to cause pituitary gland problems. If you're looking for a fluoride-free toothpaste look no further. It works well, you just unscrew and apply to your brush. Pro tip: use a sonic toothbrush and glide on your teeth at a 45° angle. Using this toothpaste for months, 2 minutes twice a day, has made my teeth visibly whiter. The flavor is not super strong, so it's suitable for kids and really anyone. Super easy and simple to use, it works like regular toothpaste. Smells minty, it's fluoride-free, and medium sized. It'll last me about 2 months, which I find worth it.
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Reviewed in the United States on April 28, 2026
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Verified Customer
Waukegan, US
★★★★★ 4
Fluoride who?
Size: Pack of 3, 4 Ounce, Set name: B. Whitening
Great product definitely works better than your traditional fluoride or fluoride free toothpaste it actually combats plaque and strengthens the enamel of your teeth I have physically and visibly seen the difference not just in my teeth but gums. Tastes great cleans well clean ingredients the only downside is it's unfortunately very pricey and if you're buying for not just yourself but a family it can start to add up fast just something to consider before purchasing. I love the tube and cap design it's gentle on your gums and teeth and it has good ingredients making the minty flavor taste more natural rather than a synthetic mint flavor and this product actually whitens your teeth. keep in mind that this isn't a replacement for teeth whitening treatments and it's also not a replacement for good dental hygiene like flossing/brushing multiple times a day. If your suffering from serious Dental issues this will not cure it but it is an excellent alternative to fluoride toothpaste that provide little to no benefit for your actual oral and overall dental health. The reason for four not five stars is because of the price I think if they could continue making the same product got the same level of quality for a little less money it would be a five-star item
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Reviewed in the United States on March 8, 2026

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