I have the armstrong 584a humiguard plus and they are 3/4" thick. these one are 5/8" thick are these the right ones? and if they're not is there free

Dennis, The panels you referred to are different than the existing 584A, the current item is 584B, it is a different panel than 1774, indicated by the item number.

I would like to try to order the right ones. the 584 B does not show that what is the item number that I need?

It's likely listed as 584, suffixes are not usually listed on the site.

How can I find out what style tile we have at our Animal Hospital?

Look on the backside of the tile, the sku or style no. usually is located there.

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2x2 White Ceiling Tiles; 16 pcs; Acoustic; Suspended Ceiling Grid; Dune 1774

Product ID: 115644599

Details

Brand
Armstrong
Color
White
Finish Type
Painted
Installation Type
Lay-In
Item Weight
54 Pounds
Material
Mineral Fiber

💧Mold & mildew resistant

🔇Acoustic noise reduction

🔥ASTM E84 Class A fire resistance

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฿31282

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Description

🔇 Elevate your space with quiet, clean, and safe ceiling solutions.

SAFETY FIRST - ASTM E84 Class A fire-resistive rating ensures top-tier fire safety compliance.
HUMIDITY HERO - HumiGuard Plus technology resists sagging, mold, and mildew in high humidity spaces.
VERSATILE STYLE - Clean white tegular edge tiles fit seamlessly in offices, basements, retail, and utility rooms.
QUIET CONFIDENCE - Minimizes noise and blocks sound between rooms for a focused, peaceful environment.
EFFORTLESS UPGRADE - Easy drop-in installation with no glue, nails, or staples—perfect for quick ceiling refreshes.

Armstrong 2x2 White Ceiling Tiles (16 pcs) combine superior acoustic performance with ASTM E84 Class A fire resistance and advanced moisture protection. Designed for easy drop-in installation in standard 15/16" ceiling grids, these durable mineral fiber tiles resist sag, mold, and mildew, making them ideal for high-humidity commercial and residential spaces like offices, basements, and retail environments.

Specifications

ASIN	B07LFGDZXJ
Additional Features	Worry-free Packaging
Best Sellers Rank	#6,626 in Musical Instruments ( See Top 100 in Musical Instruments ) #201 in Recording Studio Acoustical Treatments
Brand Name	Armstrong
Color	White
Coverage	Storage Rooms, Discount Stores, Utility Rooms, Basements, High Humidity Areas
Customer Reviews	4.2 4.2 out of 5 stars (82)
Edge Type	Tegular
Finish Types	Painted
Form Factor	square tiles with tegular edge
Installation Method	Lay-In
Item Dimensions L x W	24"L x 24"W
Item Thickness	0.63 Inches
Item Weight	54 Pounds
Manufacturer	Armstrong
Manufacturer Part Number	1774A
Material Type	Mineral Fiber
Model Number	1774, 1774A
Pattern	Solid
Shape	Square
Size	24"W x 24"W x 5/8"T
Style Name	DUNE
UPC	888264406451
Unit Count	16.0 Count
Water Resistance Level	Water Resistant

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฿31282

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Thailand.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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