Eagle Materials Inc. (EXP) | The Buildout — AI Infrastructure
The Verdict
Eagle Materials makes the ground-level inputs of construction: cement, readymix concrete, aggregates, gypsum wallboard, and recycled paperboard. For the AI buildout, the relevant piece is Heavy Materials — cement, concrete, and aggregates that go into site development, soil stabilization, structural fill, roadways, slabs, and foundations at data center projects. It is not an AI company; it is a materials supplier to the contractors building AI campuses. Its wallboard and paperboard business serves residential construction, a separate and currently weaker demand cycle.
| Market Cap | — |
| Revenue (TTM) | $2.3B |
| Revenue Growth | +1.7% |
| EBITDA Margin (TTM) | 30.2% |
| Net Debt | $1.6B |
| Earnings Beats | 2 of 7 |
| P/E (TTM) | — |
| EV/EBITDA (TTM) | — |
What We Like
- Heavy Materials is the growing engine: FY2026 external revenue of $1,427 million, about 62% of the total, up 10%, with segment operating earnings also up 10%.
- The AI-exposed segment has volume momentum: cement volume rose 8% in FY2026 and 15% in Q4, while organic aggregate volume rose 24%.
- Management calls data center demand 'very meaningful' and early-stage across many of its markets.
- Two modernization projects are on track: Mountain Cement (~60% complete) and Duke wallboard (~30% complete), both aimed at lowering cost, improving efficiency, and expanding capacity, and both targeting double-digit returns.
- FY2027 capex peaks at $490–525 million, then falls toward a roughly $150 million sustaining run-rate — a clear free-cash-flow inflection after FY2028.
What We’re Watching
- Wallboard demand is 'dramatically below trend'; the June 1, 2026 price increase must stick for mill-net pricing to hold.
- Freight and diesel inflation is compressing realized pricing: wallboard delivered costs rose $2–3 per MSF sequentially, cement terminal transfers a couple of dollars per ton.
- Cement volume growth may moderate — management does not expect double-digit growth, and the national forecast is down low-single digits; Texas remains the most challenged market.
- Light Materials customer concentration: three customers were 64% of Gypsum Wallboard segment sales, and two contracts are about 50% of Recycled Paperboard segment revenue.
The Heavy Materials thesis is intact and strengthening on volumes, but the earnings picture is muddier. Record fiscal 2026 revenue came with lower EPS and compressed margins, and that carried into the June 2026 quarter, when net earnings fell 17% on 3% revenue growth. The AI-linked demand is real but unquantified, and residential-facing wallboard remains a drag. The open question is scale: how much of Heavy Materials revenue data centers actually represent, and whether that demand moves from early site work into cement-intensive foundations and slabs.
Earnings
Eagle reported record revenue of $651.0 million in the June 2026 quarter, up 3% year over year, but net earnings fell 17% to $102.1 million and diluted EPS dropped 13% to $3.29. Gross margin was 24.8%, and operating cash flow was $154 million. It confirmed that fiscal 2026's margin pressure carried into the new fiscal year.
| Metric | Q1 FY2026 | Q4 FY2025 | Q1 FY2025 | YoY |
|---|---|---|---|---|
| Revenue | $651M | $479M | $635M | +2.6% |
| Gross margin | 24.8% | 22.2% | 29.2% | -440bps |
| EBITDA | $182M | $121M | $206M | −11.3% |
| EPS | $3.28 | $1.91 | $3.76 | −12.7% |
It's not like we're in the last innings of the data center development. We — just in the beginning in many of our markets, more soil stabilization and those type of activities.— Craig Kesler, CFO, May 19, 2026
Management tone: On the May 2026 call, management elevated data centers from one of several nonresidential drivers to a central theme, calling demand 'very meaningful' and early-stage across many markets. It also turned more explicit about freight and diesel as a quantified margin headwind, and shifted its wallboard pricing stance — from expecting further declines in January 2026 to announcing a June 1, 2026 increase tied to transportation costs. Management stayed candid about soft spots, describing wallboard demand as 'dramatically below trend.'
Management Guidance
Eagle does not provide revenue or EPS guidance; its forward statements concentrate on capital spending and qualitative demand. Management guided FY2027 capex to $490–525 million and called it the peak year, with a post-project sustaining run-rate of about $150 million and FY2028 still elevated at roughly $250 million as Duke completes in the first half. On demand, management expects continued cement volume improvement but says it is 'not suggesting' double-digit growth, and describes current data center activity as early-stage and weighted toward soil stabilization.
Trajectory
Eagle's revenue is seasonal, peaking in the summer building season: the June 2026 quarter brought in $651 million after a March quarter of $479 million. But margins are compressing — gross margin was 24.8% in the June 2026 quarter, down from 29.2% in the same quarter a year earlier — as wallboard prices and volumes fell and freight costs rose. The mix is the story: Heavy Materials volumes are rising while Light Materials drags, so record revenue is coming with lower earnings.
The Model
The model's locked projections have FY+1 revenue of $2,370 million and EBITDA of $690 million, a 29.1% margin. FY+2 revenue rises to $2,518 million with EBITDA of $796 million, a 31.6% margin. The near-term figure sits just below the trailing 30.2% EBITDA margin, while the FY+2 step-up implies margin recovery — which would fit management's expectation of meaningful cost savings once the Mountain and Duke projects run.
| Metric | FY2025 | Next FY (E) | Following FY (E) |
|---|---|---|---|
| Revenue | $2.3B | $2.4B | $2.5B |
| YoY Growth | — | +2.7% | +6.2% |
| EBITDA | $724M | $690M | $796M |
| EBITDA Margin | 31.4% | 29.1% | 31.6% |
Projections are the median of 5 independent model runs. The model’s revenue sits 10.9% above analyst consensus.
Eagle does not provide revenue or EPS guidance; its forward statements concentrate on capital spending and qualitative demand. Management guided FY2027 capex to $490–525 million and called it the peak year, with a post-project sustaining run-rate of about $150 million and FY2028 still elevated at roughly $250 million as Duke completes in the first half. On demand, management expects continued cement volume improvement but says it is 'not suggesting' double-digit growth, and describes current data center activity as early-stage and weighted toward soil stabilization.
What Could Go Right — and Wrong
- Data center construction keeps growing across Eagle's footprint and moves from site work into foundations, slabs, and structural concrete.
- Public infrastructure spending stays elevated, with remaining IIJA spend and a possible successor bill preserving highway and street demand.
- Mountain Cement and Duke complete on time, adding capacity and delivering cost savings by fiscal 2029.
- Wallboard demand recovers as mortgage rates ease, and the June 1 price increase marks the bottom in mill-net pricing.
- The Texas cement market stabilizes, easing the most pressured part of the cement footprint.
- AI-infrastructure demand slows or pauses, removing a major support for Heavy Materials.
- Wallboard demand stays below trend and the June 1, 2026 price increase fails, while freight costs keep rising.
- National cement weakness catches up to Eagle's regions, and volume growth moderates below recent rates.
- Project delays or cost overruns at Mountain and Duke push out the expected cost savings and cash-flow inflection.
- A concentrated wallboard or paperboard customer relationship changes — three customers are 64% of wallboard sales.
Looking Ahead
The next 12 months turn on execution and demand mix. Mountain Cement's new kiln line is scheduled to begin commissioning in late calendar 2026, an early milestone in a plan that management says will produce 'very, very meaningful' cost savings by fiscal 2029. Wallboard mill-net pricing after the June 1, 2026 increase shows whether cost-driven price action can hold in weak demand. The two demand variables that would move the business are the size of the data-center contribution — currently unquantified — and mortgage-rate relief for housing.
- June 2026Wallboard price increase — Cost-driven increase; watch whether mill-net pricing holds.
- Late calendar 2026Mountain Cement commissioning — New kiln line starts up; a test of the project timeline.
- Second half 2027Duke wallboard line — New line due to commission; adds capacity, lowers cost.
- Fiscal 2029Project cost savings — Management expects savings to be 'very, very meaningful.'
Financials
Annual Summary
| Metric | FY2024 | FY2025 | TTM | YoY |
|---|---|---|---|---|
| Revenue | $2.3B | $2.3B | $2.3B | +2.1% |
| Gross Margin | 29.4% | 27.9% | 27.0% | 148bps |
| EBITDA | $758M | $724M | $701M | -4.4% |
| EBITDA Margin | 33.5% | 31.4% | 30.2% | 216bps |
| Net Income | $463M | $424M | $403M | -8.5% |
| Free Cash Flow | $353M | $198M | $171M | — |
| Net Cash | — | — | — | — |
Key Ratios (Trailing)
- P/E TTM—
- EV/EBITDA TTM—
- EV/Revenue TTM—
- Price/FCF TTM—
- Gross Margin (TTM)27.0%
- EBITDA Margin (TTM)30.2%
- Net Margin (TTM)17.3%
- ROIC13.9%
- FCF Conversion24.3%
- SBC / Revenue0.9%
The Company
Eagle Materials is a U.S. manufacturer of heavy construction materials and light building materials. Its products are cement, readymix concrete, aggregates, gypsum wallboard, and recycled paperboard, sold into roads, highways, and residential, commercial, and industrial construction. The company operates more than 70 facilities across 21 states. Public infrastructure accounts for roughly 50% of cement demand, with private nonresidential — including data centers — and residential making up the rest. It reports through two sectors: Heavy Materials (cement, concrete and aggregates) and Light Materials (gypsum wallboard, recycled paperboard).
Eagle runs an integrated, regionally concentrated network. It has eight cement plants and two slag grinding facilities, with clinker capacity of about 6.7 million tons, roughly 6% of U.S. clinker capacity. It also has five gypsum wallboard plants under the American Gypsum name, a recycled paperboard mill in Lawton, Oklahoma, and 30 concrete batch plants. The paperboard mill feeds Eagle's own wallboard operations — about 40% of the mill's revenue went to internal use. Regions served include Colorado, Illinois, Kansas, Kentucky, Indiana, Iowa, Missouri, Nebraska, Nevada, Ohio, Oklahoma, Tennessee, and Texas, and management cites over 50 years of quarried reserves at each plant on average.
Business Segments
Competitive Landscape
Competitive detail in the source set is thin. The only competitor named is Knife River (KNF), an aggregates competitor described in the ecosystem neighbor reads. The source set explicitly notes that no neighbor referenced Eagle by name. Management's related point is that relative wallboard price stability has held given supply constraints and raw-material challenges for the rest of the industry.
- Knife River (KNF)Described in the source set as an aggregates competitor; reported aggregates volume +26%, mix-adjusted pricing +4.1%, and unit costs down more than 10%.
Supply Chain
Eagle sits upstream of construction, mining and processing cement, concrete, and aggregates, then shipping them to builders and contractors. No ecosystem neighbor named Eagle directly in the source set, but contractor backlogs support its heavy-materials demand read.
Related companies
See all Construction companies → · How this layer works: Chapter 4, The Building →