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ARMSTRONG Ceiling Tile: 861, Armatuff, 24 in x 24 in, Square Lay-In, 15/16 in Grid Size - Sag- & Mold-Resistant Tiles for High Humidity
ARMSTRONGSag- & Mold-Resistant Tiles for High Humidity

ARMSTRONG Ceiling Tile: 861, Armatuff, 24 in x 24 in, Square Lay-In, 15/16 in Grid Size

The ARMSTRONG Ceiling Tile 861 is a sag- and mold-resistant tile from the Armatuff series, designed for high-humidity corridor applications. Each 24 in x 24 in square lay-in tile features a 15/16 in grid size…

SKU 3G-OTH-571633

Brand
ARMSTRONG
Item
Ceiling Tile: 861, Armatuff, 24 in x 24 in, Square Lay-In, 15/16 in Grid Size
Category
Sag- & Mold-Resistant Tiles for High Humidity
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Technical Specifications

ARMSTRONG
Manufacturer Part Number
861
Series
Armatuff
Type
Armatuff, 24 in x 24 in, Square Lay-In, 16 PK
Material
Mineral Fiber
Color
White
Edge Type
Square Lay-In
Grid Size
15/16 in
Application
Corridors
Display Sell UOM
PK
Resistance Properties
Mildew Resistant
Recycled Content Range
Standard Recycled Content (49% or Less)
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 861 is a sag- and mold-resistant tile from the Armatuff series, designed for high-humidity corridor applications. Each 24 in x 24 in square lay-in tile features a 15/16 in grid size, mineral fiber construction, mildew resistance, and high light reflectance (83% or more), sold in packs of 16.

Frequently Asked Questions

What is the ARMSTRONG Ceiling Tile 861 used for?

The ARMSTRONG Ceiling Tile 861 is designed for high-humidity corridor applications. Its mineral fiber construction and mildew-resistant properties make it suitable for environments where sag and mold resistance are critical, such as commercial hallways and institutional spaces.

What are the specifications of the ARMSTRONG Ceiling Tile 861?

The ARMSTRONG Ceiling Tile 861 is a 24 in x 24 in square lay-in tile from the Armatuff series. It has a 15/16 in grid size, white mineral fiber material, and high light reflectance of 83% or more. Sold in packs of 16, it offers standard recycled content and mildew resistance.

Where to buy ARMSTRONG Ceiling Tile 861 worldwide?

3G Electric supplies the ARMSTRONG Ceiling Tile 861 to customers worldwide. As a global industrial solutions provider, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Armatuff series tile.

How to install ARMSTRONG Ceiling Tile 861?

Install the ARMSTRONG Ceiling Tile 861 as a square lay-in tile into a compatible 15/16 in exposed grid system. Ensure the grid is level and the space is dry before installation. Handle tiles carefully to avoid edge damage, and replace any damaged tiles promptly to maintain appearance.

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 sag- & mold-resistant tiles for high humidity. 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: 793, Georgian, 24 in x 48 in, Square Lay-In, 15/16 in Grid Size, 12 PK. Key specifications — Display Sell UOM: PK; Material: Mineral Fiber; Color: White; Application: Offices; Resistance Properties: Sag Resistant; Series: Georgian; Edge Type: Square Lay-In; Manufacturer Part Number: 793.
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ARMSTRONG Ceiling Tile: 793, Georgian, 24 in x 48 in, Square Lay-In, 15/16 in Grid Size, 12 PK. Key specifications — Display Sell UOM: PK; Material: Mineral Fiber; Color: White; Application: Offices; Resistance Properties: Sag Resistant; Series: Georgian; Edge Type: Square Lay-In; Manufacturer Part Number: 793.
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ARMSTRONG Ceiling Tile: 1811, Fine Fissured, 24 in x 48 in, Square Lay-In, 15/16 in Grid Size, 8 PK. Key specifications — Sub-brand: School Zone Fine Fissured 24"x24"x3/4"; Display Sell UOM: PK; Material: Mineral Fiber; Color: White; Application: Music Rooms; Resistance Properties: Sag Resistant; Series: Fine Fissured; Edge Type: Square Lay-In.
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