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Most of Armstrong World Industries’ revenue comes from suspended mineral fiber and fiberglass ceiling systems. It also makes and sources specialty ceilings, walls and exterior metal products for building projects. Commercial construction supplies most of its revenue. The company estimates that its mineral fiber business mainly serves renovation of existing buildings, while its Architectural Specialties business mainly serves new construction and varies with project timing.
Building-materials distributors buy most of its products for resale to contractors; specialty products also go directly to contractors and other customers. Its design and sales teams work with architects and general contractors to get products specified for projects. The Home Depot, including GMS, and Lowe’s, including Foundation Building Materials, are both major customers, leaving a substantial portion of sales tied to these two groups.
Armstrong also earns a share of the profits from Worthington Armstrong Venture, or WAVE, which makes and sells the metal grids and components that support suspended ceilings. This jointly owned business is important to Armstrong’s earnings, and its relationship with partner Worthington Enterprises matters to that income.
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AWI shares WAVE’s profits with Worthington Enterprises: each owns half of the business that sells the grids supporting commercial and residential ceilings. WAVE contributed $113.2 million to AWI’s equity earnings in 2025, so watch its selling prices and volumes—better average selling values lifted earnings despite lower volumes.
Carlisle and AWI both sell into commercial building renovation and new construction: Carlisle supplies roofing systems, mainly through distributors and sales representatives, while AWI supplies ceilings and architectural finishes. Carlisle’s U.S. commercial roof repair and replacement sales offer a read on renovation spending, which AWI estimates accounts for most of its commercial Mineral Fiber sales.
Allegion and AWI depend on spending on commercial buildings being built or renovated: Allegion supplies door hardware and access systems specified for those projects, while AWI supplies ceilings and specialty walls.
Home Depot is a major paying customer for AWI’s ceilings: its retail business and GMS distribution business together accounted for more than 10% of AWI’s 2025 consolidated gross sales. Watch demand from its contractors and remodelers, who buy building materials for residential and commercial projects.
Lowe’s is a major paying customer for AWI’s ceilings: its retail business and Foundation Building Materials together accounted for more than 10% of AWI’s 2025 consolidated gross sales. Its move toward larger residential and commercial professional customers makes that customer group worth watching alongside its established homeowner and smaller-professional business.
RPM International and AWI draw on the same building maintenance and improvement budgets: RPM sells roofing systems, sealants and polymer flooring, while AWI sells ceilings and architectural finishes. RPM’s sales of those building products are more relevant to AWI than its broader industrial and consumer business.
Mohawk and AWI both depend on interior renovation and new construction purchases: Mohawk sells flooring for residential and commercial projects, while AWI sells ceilings and specialty walls with a stronger commercial focus. Mohawk’s commercial flooring demand is therefore the closer comparison for AWI, rather than its residential business.
Sherwin-Williams and AWI share exposure to building maintenance and renovation spending: Sherwin-Williams sells architectural paint to professional and other customers, while AWI supplies replacement ceilings and other architectural finishes.
Allegion Public Limited Company earningsALLE
Allegion’s report will show demand for door hardware and access systems on commercial building projects, offering a read on the same projects that buy Armstrong World Industries’ ceilings and specialty walls.
Look for whether Allegion sees stronger or weaker demand from commercial projects. Stronger demand would indicate more activity in the building projects that also specify Armstrong World Industries’ ceilings and specialty walls, supporting opportunities for its project sales; weaker demand would point to fewer or delayed projects and pressure on those sales.
Armstrong World Industries, Inc. earningsThis company
Armstrong World Industries’ report will show whether Mineral Fiber can keep lifting average selling value without further volume losses, and whether Architectural Specialties can turn project growth into better margins.
Compare Mineral Fiber’s average unit value—the sales dollars earned per unit—with its volume, then check Architectural Specialties’ organic sales growth alongside its operating margin. Higher unit value with volume stabilizing, plus a stronger specialty margin, would show pricing and project execution supporting growth; further volume loss or a weaker specialty margin would show that pricing or project timing is still weighing on results.
Carlisle Companies, Inc. earningsCSL
Carlisle’s report will show U.S. commercial roof repair and replacement demand, a test of the existing-building renovation market that supports much of Armstrong World Industries’ Mineral Fiber sales.
Watch Carlisle’s U.S. commercial roof repair and replacement sales. Growth would suggest building owners are continuing to fund renovation, supporting demand for the Mineral Fiber ceilings that AWI sells largely into existing-building projects; a decline would point to delayed or reduced renovation work and more pressure on Mineral Fiber volume.
Home Depot, Inc. earningsHD
Home Depot’s report will show whether contractors and remodelers are maintaining building-material purchases through a customer whose retail and GMS businesses together represented more than 10% of Armstrong World Industries’ 2025 gross sales.
Watch Home Depot’s discussion of building-material demand from contractors and remodelers, and whether related sales strengthen. Firmer demand would support the customer channel through which Armstrong World Industries sells ceilings; weaker demand would point to less room for those sales. Home Depot’s broad results do not reveal AWI’s purchases on their own.
Lowe's Companies Inc. earningsLOW
Lowe’s report will show whether contractors and homeowners are maintaining building-material purchases through a customer whose retail and Foundation Building Materials businesses together represented more than 10% of Armstrong World Industries’ 2025 gross sales.
Watch Lowe’s discussion of building-material demand from professional customers and homeowners, and whether related sales strengthen. Firmer demand would support the customer channel for Armstrong World Industries’ ceilings; weaker demand would put that channel under pressure. Lowe’s broad results cannot establish AWI’s purchases by themselves.
Worthington Enterprises, Inc. earningsWOR
Worthington Enterprises’ report offers a read on WAVE, the ceiling-grid joint venture it co-owns equally with Armstrong World Industries, whose earnings contribute to AWI’s results.
Look for clues on WAVE’s selling values and volumes in Worthington Enterprises’ report. Higher average selling values with steady volume would support the equity earnings WAVE contributes to Armstrong World Industries; weaker values or volume could reduce that contribution. Worthington’s total results are not WAVE’s results, so they are an indicator, not proof.
