EXP vs AWI vs MLM vs TREX

For growth investors, Armstrong World Industries, Inc.

(AWI) is the stronger pick with 12. 1% revenue growth year-over-year, versus 0. 1% for Eagle Materials Inc. (EXP). Eagle Materials Inc. (EXP) offers the better valuation at 15. 8x trailing P/E (16. 8x forward), making it the more compelling value choice. Analysts rate Eagle Materials Inc. (EXP) a "Buy" — based on 24 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Eagle Materials Inc.

(EXP) is the cheapest at 15. 8x versus Martin Marietta Materials, Inc. at 32. 7x. On forward P/E, Eagle Materials Inc. is actually cheaper at 16. 8x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Eagle Materials Inc. wins at 0. 32x versus Trex Company, Inc. 's 7. 30x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Martin Marietta Materials, Inc.

(MLM) delivered a total return of +69. 0%, compared to -62. 4% for Trex Company, Inc. (TREX). Over 10 years, the gap is even starker: AWI returned +308. 7% versus EXP's +201. 7%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Armstrong World Industries, Inc.

(AWI) is the lower-risk stock at 0. 82β versus Trex Company, Inc. 's 1. 47β — meaning TREX is approximately 80% more volatile than AWI relative to the S&P 500. On balance sheet safety, Trex Company, Inc. (TREX) carries a lower debt/equity ratio of 22% versus 88% for Eagle Materials Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Armstrong World Industries, Inc.

(AWI) is pulling ahead at 12. 1% versus 0. 1% for Eagle Materials Inc. (EXP). On earnings-per-share growth, the picture is similar: Armstrong World Industries, Inc. grew EPS 17. 6% year-over-year, compared to -42. 0% for Martin Marietta Materials, Inc.. Over a 3-year CAGR, AWI leads at 9. 5% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Eagle Materials Inc.

(EXP) is the more profitable company, earning 20. 5% net margin versus 16. 2% for Trex Company, Inc. — meaning it keeps 20. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: AWI leads at 26. 6% versus 22. 0% for TREX. At the gross margin level — before operating expenses — AWI leads at 40. 6%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Eagle Materials Inc. (EXP) is the more undervalued stock at a PEG of 0. 32x versus Trex Company, Inc. 's 7. 30x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Eagle Materials Inc. (EXP) trades at 16. 8x forward P/E versus 31. 5x for Martin Marietta Materials, Inc. — 14. 7x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for AWI: 18. 8% to $197. 50.

In this comparison, AWI (0.

8% yield), MLM (0. 5% yield), EXP (0. 5% yield) pay a dividend. TREX does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Armstrong World Industries, Inc.

(AWI) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 82), 0. 8% yield, +308. 7% 10Y return). Both have compounded well over 10 years (AWI: +308. 7%, TREX: +247. 6%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (EXP (Basic Materials) and AWI (Industrials) and MLM (Basic Materials) and TREX (Industrials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: EXP is a small-cap deep-value stock; AWI is a small-cap quality compounder stock; MLM is a mid-cap quality compounder stock; TREX is a small-cap quality compounder stock. AWI, MLM pay a dividend while EXP, TREX do not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.