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ARMSTRONG Ceiling Tile: 577B, Cirrus, 24 in x 24 in, Angled Tegular, 9/16 in Grid Size - General Purpose Tiles
ARMSTRONGGeneral Purpose Tiles

ARMSTRONG Ceiling Tile: 577B, Cirrus, 24 in x 24 in, Angled Tegular, 9/16 in Grid Size

The ARMSTRONG Ceiling Tile 577B is a general-purpose mineral fiber tile from the Cirrus series, sized 24 in x 24 in with an Angled Tegular edge for a 9/16 in grid. Sold in packs of 12, it offers high light…

SKU 3G-OTH-571318

Brand
ARMSTRONG
Item
Ceiling Tile: 577B, Cirrus, 24 in x 24 in, Angled Tegular, 9/16 in Grid Size
Category
General Purpose Tiles
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Technical Specifications

ARMSTRONG
Manufacturer Part Number
577B
Series
Cirrus
Type
Cirrus, 24 in x 24 in, Angled Tegular, 12 PK
Material
Mineral Fiber
Color
White
Edge Type
Angled Tegular
Grid Size
9/16 in
Application
Libraries
Display Sell UOM
PK
Resistance Properties
Mold Resistant
Recycled Content Range
High Recycled Content (50% or More)
Light Reflectance Range
High Light Reflectance (83% or More)
View Full Spec Sheet

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ARMSTRONG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ARMSTRONG Ceiling Tile 577B is a general-purpose mineral fiber tile from the Cirrus series, sized 24 in x 24 in with an Angled Tegular edge for a 9/16 in grid. Sold in packs of 12, it offers high light reflectance (83% or more) and mold resistance, with a high recycled content (50% or more), and is specified for library applications.

Frequently Asked Questions

What is the ARMSTRONG Ceiling Tile 577B used for?

The ARMSTRONG Ceiling Tile 577B is a general-purpose mineral fiber tile designed for library applications. Its high light reflectance (83% or more) and mold resistance make it ideal for quiet, indoor environments where acoustic comfort and clean, bright ceilings are required.

What are the specifications of the ARMSTRONG Ceiling Tile 577B?

The ARMSTRONG Ceiling Tile 577B is a 24 in x 24 in mineral fiber tile from the Cirrus series. It features an Angled Tegular edge for a 9/16 in grid, is white, mold resistant, and has high recycled content (50% or more) with high light reflectance (83% or more). Sold in packs of 12.

Where to buy ARMSTRONG Ceiling Tile 577B worldwide?

3G Electric supplies the ARMSTRONG Ceiling Tile 577B to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this Cirrus series tile for your library or commercial project.

How to install ARMSTRONG Ceiling Tile 577B?

Install the ARMSTRONG Ceiling Tile 577B by fitting its Angled Tegular edge into a compatible 9/16 in exposed grid system. Ensure the grid is level and clean before placing each tile. Follow standard suspended-ceiling best practices for cutting and handling mineral fiber tiles.

Used in

Common applications for ARMSTRONG
Hydronic heating systems — ARMSTRONG general-purpose inline circulator pump 182202-657 for potable water circulation
Pump motor replacement — ARMSTRONG pump motor 817025-007 for S&H 4-Series circulator pumps
Flange installation on E32.2HT pumps — ARMSTRONG flange hardware kit 810120-353K with steel bolts and rubber gaskets
Bearing replacement in H-32 series pumps — ARMSTRONG bearing assembly 816549MF-091 for in-line circulating pumps
Piping system connections — ARMSTRONG standard flanges 806074-621k for H-6 6 model with stainless steel and EPDM
Retrofit of pump flanges — ARMSTRONG flange 561100LF-001 for ASTRO EXPRESS 2 SYSTEM union-type connections

ARMSTRONG Products

3G Electric supplies ARMSTRONG general purpose tiles. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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ARMSTRONG Ceiling Tile: 1766C, Fine Fissured, 24 in x 48 in, Angled Tegular, 0.55 NRC, 30 CAC, 10 PK. Key specifications — Display Sell UOM: PK; Material: Mineral Fiber; Color: White; Application: Libraries; Resistance Properties: Mold Resistant; Series: Fine Fissured; Edge Type: Angled Tegular; Manufacturer Part Number: 1766C.
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ARMSTRONG Ceiling Tile: 1830, Fine Fissured, 24 in x 48 in, Square Lay-In, 15/16 in Grid Size, 8 PK. Key specifications — Sub-brand: Fine Fissured; Display Sell UOM: PK; Material: Mineral Fiber; Color: White; Application: Music Rooms; Resistance Properties: Mildew Resistant; Series: Fine Fissured; Edge Type: Square Lay-In.
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ARMSTRONG Ceiling Tile: 1830, Fine Fissured, 24 in x 48 in, Square Lay-In, 15/16 in Grid Size, 8 PK. Key specifications — Sub-brand: Fine Fissured; Display Sell UOM: PK; Material: Mineral Fiber; Color: White; Application: Music Rooms; Resistance Properties: Mildew Resistant; Series: Fine Fissured; Edge Type: Square Lay-In.
ARMSTRONG Ceiling Tile: 1729A, Fine Fissured, 24 in x 48 in, Square Lay-In, 0.55 NRC, 35 CAC, 12 PK. Key specifications — Display Sell UOM: PK; Material: Mineral Fiber; Color: White; Application: Libraries; Resistance Properties: Sag Resistant; Series: Fine Fissured; Edge Type: Square Lay-In; Manufacturer Part Number: 1729A.
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ARMSTRONG Ceiling Tile: 1729A, Fine Fissured, 24 in x 48 in, Square Lay-In, 0.55 NRC, 35 CAC, 12 PK. Key specifications — Display Sell UOM: PK; Material: Mineral Fiber; Color: White; Application: Libraries; Resistance Properties: Sag Resistant; Series: Fine Fissured; Edge Type: Square Lay-In; Manufacturer Part Number: 1729A.
ARMSTRONG Ceiling Tile: 8009A, Tincraft, 24 in x 24 in, Flush Tegular, 9/16 in Grid Size, 8 PK. Key specifications — Display Sell UOM: PK; Material: Mineral Fiber; Color: White; Application: Hospitality; Resistance Properties: Sag Resistant; Series: Tincraft; Edge Type: Flush Tegular; Manufacturer Part Number: 8009A.
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ARMSTRONG Ceiling Tile: 8009A, Tincraft, 24 in x 24 in, Flush Tegular, 9/16 in Grid Size, 8 PK. Key specifications — Display Sell UOM: PK; Material: Mineral Fiber; Color: White; Application: Hospitality; Resistance Properties: Sag Resistant; Series: Tincraft; Edge Type: Flush Tegular; Manufacturer Part Number: 8009A.
ARMSTRONG Ceiling Tile: 1729ABL, Fine Fissured, 24 in x 48 in, Square Lay-In, 0.55 NRC, 12 PK. Key specifications — Display Sell UOM: PK; Material: Mineral Fiber; Color: Black; Application: Music Rooms; Resistance Properties: Mildew Resistant; Series: Fine Fissured; Edge Type: Square Lay-In; Manufacturer Part Number: 1729ABL.
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ARMSTRONG Ceiling Tile: 1729ABL, Fine Fissured, 24 in x 48 in, Square Lay-In, 0.55 NRC, 12 PK. Key specifications — Display Sell UOM: PK; Material: Mineral Fiber; Color: Black; Application: Music Rooms; Resistance Properties: Mildew Resistant; Series: Fine Fissured; Edge Type: Square Lay-In; Manufacturer Part Number: 1729ABL.
ARMSTRONG Ceiling Tile: 3153, Optima, 24 in x 48 in, Square Lay-In, 15/16 in Grid Size, 12 PK. Key specifications — Display Sell UOM: PK; Material: Fiberglass; Color: White; Application: Libraries; Resistance Properties: Impact Resistant; Series: Optima; Edge Type: Square Lay-In; Manufacturer Part Number: 3153.
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ARMSTRONG Ceiling Tile: 3153, Optima, 24 in x 48 in, Square Lay-In, 15/16 in Grid Size, 12 PK. Key specifications — Display Sell UOM: PK; Material: Fiberglass; Color: White; Application: Libraries; Resistance Properties: Impact Resistant; Series: Optima; Edge Type: Square Lay-In; Manufacturer Part Number: 3153.
ARMSTRONG Ceiling Tile: 705A, Fissured, 24 in x 24 in, Angled Tegular, 15/16 in Grid Size, 16 PK. Key specifications — Display Sell UOM: PK; Material: Mineral Fiber; Color: White; Application: General Use; Resistance Properties: Fire Resistive; Series: Fissured; Edge Type: Angled Tegular; Manufacturer Part Number: 705A.
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ARMSTRONG Ceiling Tile: 705A, Fissured, 24 in x 24 in, Angled Tegular, 15/16 in Grid Size, 16 PK. Key specifications — Display Sell UOM: PK; Material: Mineral Fiber; Color: White; Application: General Use; Resistance Properties: Fire Resistive; Series: Fissured; Edge Type: Angled Tegular; Manufacturer Part Number: 705A.
ARMSTRONG Ceiling Tile: 557B, Cirrus, 24 in x 24 in, Square Tegular, 9/16 in Grid Size, 12 PK. Key specifications — Display Sell UOM: PK; Material: Mineral Fiber; Color: White; Application: Libraries; Resistance Properties: Sag Resistant; Series: Cirrus; Edge Type: Tegular; Manufacturer Part Number: 557B.
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ARMSTRONG Ceiling Tile: 557B, Cirrus, 24 in x 24 in, Square Tegular, 9/16 in Grid Size, 12 PK. Key specifications — Display Sell UOM: PK; Material: Mineral Fiber; Color: White; Application: Libraries; Resistance Properties: Sag Resistant; Series: Cirrus; Edge Type: Tegular; Manufacturer Part Number: 557B.