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ARMSTRONG Cirrus 24x24 Angled Tegular Ceiling Tile 578B - General Purpose Tiles
ARMSTRONGGeneral Purpose Tiles

ARMSTRONG Cirrus 24x24 Angled Tegular Ceiling Tile 578B

The ARMSTRONG Ceiling Tile 578B is a Cirrus series general-purpose tile in a 24 in x 24 in Angled Tegular edge type for 15/16 in grid systems, sold in a 12-pack. Made of mineral fiber with a white finish, it offers…

SKU 3G-OTH-571319

Also listed as: 578 B · 578-B

Brand
ARMSTRONG
Item
Cirrus 24x24 Angled Tegular Ceiling Tile 578B
Part Number
578B
Category
General Purpose Tiles
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

ARMSTRONG
Manufacturer Part Number
578B
Series
Cirrus
Type
Cirrus, 24 in x 24 in, Angled Tegular, 12 PK
Material
Mineral Fiber
Color
White
Edge Type
Angled Tegular
Grid Size
15/16 in
Application
Libraries
Display Sell UOM
PK
Resistance Properties
Mildew Resistant
Recycled Content Range
High Recycled Content (50% or More)
Light Reflectance Range
High Light Reflectance (83% or More)

Technical Documents

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

Product Description

The ARMSTRONG Ceiling Tile 578B is a Cirrus series general-purpose tile in a 24 in x 24 in Angled Tegular edge type for 15/16 in grid systems, sold in a 12-pack. Made of mineral fiber with a white finish, it offers high light reflectance (83% or more) and mildew resistance, with high recycled content (50% or more), designed for library applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the ARMSTRONG 578B ceiling tile used for?

The ARMSTRONG 578B Cirrus ceiling tile is designed for general-purpose acoustic and light-reflective ceilings in libraries and similar quiet environments. Its mineral fiber construction provides mildew resistance and high light reflectance (83% or more), supporting comfortable, well-lit spaces.

What are the specifications of the ARMSTRONG 578B ceiling tile?

The ARMSTRONG 578B is a 24 in x 24 in Cirrus series tile with an Angled Tegular edge for 15/16 in grid systems. It is made of mineral fiber, white in color, and sold in a 12-pack. It offers high recycled content (50% or more) and high light reflectance (83% or more).

Where to buy ARMSTRONG 578B ceiling tiles worldwide?

3G Electric supplies the ARMSTRONG 578B ceiling tile to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 12-pack of Cirrus tiles.

How to install ARMSTRONG 578B ceiling tiles?

Install ARMSTRONG 578B tiles by fitting the Angled Tegular edge into a 15/16 in exposed grid system. Ensure the grid is level and clean. Gently tilt the tile upward, seat the edge, and lower into place. Follow standard suspended-ceiling best practices for 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
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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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Cross-referenced by specification & description
Mineral fiber ceiling tile from the Cirrus series, 24 in x 24 in with a square tegular edge for 9/16 in grid systems. White finish, mold resistant, high light reflectance (83% or more), and high recycled content (50% or more). Suitable for library and other indoor applications requiring acoustic control and clean air
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Mineral fiber ceiling tile from the Cirrus series, 24 in x 24 in with a square tegular edge for 9/16 in grid systems. White finish, mold resistant, high light reflectance (83% or more), and high recycled content (50% or more). Suitable for library and other indoor applications requiring acoustic control and clean air
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Mineral fiber ceiling tile in white, 24 x 24 inches, square tegular edge for 15/16 in grid systems. High light reflectance (83% or more) and soil resistant. Suitable for music rooms and other commercial spaces requiring acoustic control
Mineral fiber ceiling tile, white, 24 in x 48 in, beveled tegular edge for 9/16 in grid. Sold in packs of 6. Mold resistant with high light reflectance (83% or more) and high recycled content (50% or more). Suitable for music rooms and other acoustically sensitive environments
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Mineral fiber ceiling tile from the Cirrus series, 24 in x 24 in with an angled tegular edge for 15/16 in grid systems. White finish, mildew resistant, high light reflectance (83% or more), and high recycled content (50% or more). Sold in packs of 12. Suitable for music rooms and other spaces requiring acoustic privacy
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Mineral fiber ceiling tile from the Cirrus series, 24 in x 24 in with an angled tegular edge for 15/16 in grid systems. White finish, mildew resistant, high light reflectance (83% or more), and high recycled content (50% or more). Sold in packs of 12. Suitable for music rooms and other spaces requiring acoustic privacy

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General-purpose mineral fiber ceiling tile from the Calla series. Square tegular edge for 15/16 in grid. White finish, mold resistant, high light reflectance (83% or more), high recycled content (50% or more). Suitable for library music applications
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General-purpose mineral fiber ceiling tile from the Calla series. Square tegular edge for 15/16 in grid. White finish, mold resistant, high light reflectance (83% or more), high recycled content (50% or more). Suitable for library music applications
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General-purpose ceiling tile made of mineral fiber with a fissured texture and white finish. Measures 24 in x 48 in with square lay-in edges for 15/16 in grid systems. Sag resistant with standard light reflectance. Suitable for commercial interiors such as offices, retail spaces, and corridors
Fiberglass ceiling tile, 24 in x 24 in, square lay-in edge for 15/16 in grid systems. White finish with high light reflectance (83% or more) and sag resistance. Contains 50% or more recycled content. Sold in packs of 24. Suitable for suspended ceilings in libraries and other quiet commercial spaces
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Fiberglass ceiling tile, 24 in x 24 in, square lay-in edge for 15/16 in grid systems. White finish with high light reflectance (83% or more) and sag resistance. Contains 50% or more recycled content. Sold in packs of 24. Suitable for suspended ceilings in libraries and other quiet commercial spaces
General-purpose mineral fiber ceiling tile from the Fine Fissured series, sized 24 in x 24 in with an Angled Tegular edge. Provides a Noise Reduction Coefficient (NRC) of 0.55 and Ceiling Attenuation Class (CAC) of 35. Fire resistive with high recycled content and high light reflectance. Suitable for library applications
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General-purpose mineral fiber ceiling tile from the Fine Fissured series, sized 24 in x 24 in with an Angled Tegular edge. Provides a Noise Reduction Coefficient (NRC) of 0.55 and Ceiling Attenuation Class (CAC) of 35. Fire resistive with high recycled content and high light reflectance. Suitable for library applications
General-purpose ceiling tile made of mineral fiber with a fissured texture and white finish. Designed for 15/16 in grid systems with square lay-in edge type. Sag resistant, with standard recycled content and standard light reflectance. Suitable for commercial indoor applications such as offices and retail spaces
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General-purpose ceiling tile made of mineral fiber with a fissured texture and white finish. Designed for 15/16 in grid systems with square lay-in edge type. Sag resistant, with standard recycled content and standard light reflectance. Suitable for commercial indoor applications such as offices and retail spaces
Mineral fiber ceiling tile from the Mesa series, sized 24 in x 48 in with an Angled Tegular edge for a 15/16 in grid. Provides a Noise Reduction Coefficient of 0.6, high light reflectance of 83% or more, and mold resistance. Suitable for general-purpose spaces and music rooms requiring acoustic control. Sold in packs of 8
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Mineral fiber ceiling tile from the Mesa series, sized 24 in x 48 in with an Angled Tegular edge for a 15/16 in grid. Provides a Noise Reduction Coefficient of 0.6, high light reflectance of 83% or more, and mold resistance. Suitable for general-purpose spaces and music rooms requiring acoustic control. Sold in packs of 8
Fiberglass ceiling tile from the Optima series, white finish, 24 in x 72 in, Square Tegular edge for 9/16 in grid, sold in a 6-pack. Mold resistant with high light reflectance (83% or more) and high recycled content (50% or more). Suitable for library applications where controlled acoustics and improved illumination are desired
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Fiberglass ceiling tile from the Optima series, white finish, 24 in x 72 in, Square Tegular edge for 9/16 in grid, sold in a 6-pack. Mold resistant with high light reflectance (83% or more) and high recycled content (50% or more). Suitable for library applications where controlled acoustics and improved illumination are desired
General-purpose mineral fiber ceiling tile from the Dune series, white color, with square lay-in edge for 15/16 in grid systems. Provides sound absorption with NRC 0.5, fire-resistive, high recycled content (50% or more), and standard light reflectance (82% or less). Suitable for music rooms and other commercial spaces requiring acoustic control. Sold in packs of 8
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General-purpose mineral fiber ceiling tile from the Dune series, white color, with square lay-in edge for 15/16 in grid systems. Provides sound absorption with NRC 0.5, fire-resistive, high recycled content (50% or more), and standard light reflectance (82% or less). Suitable for music rooms and other commercial spaces requiring acoustic control. Sold in packs of 8

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