Armstrong World Industries, Inc.

AWI Industrials Building Products & Equipment

Armstrong World Industries, Inc.’s revenue for fiscal 2025 (year ended December 2025) was $1.6 billion, up 12.1% from fiscal 2024.

Revenue
+11.9%
EPS
+10.3%
Free cash flow
−29.4%
Total debt
+13.2%

Quarter to September 2026, against a year earlier

170.97 4.98 −2.83%
Market cap
$7.1B
P/E
22.8×
Fwd P/E
21.0×
Dividend yield
0.81%
F-score
9/9
Altman Z
7.83
Beneish M
−2.61
Dividend safety
85/100

Armstrong World Industries, Inc. (AWI) valuation and DCF model

What the price implies · reverse DCF

At $170.97 the price implies free cash flow after share-based pay growing 14.6% a year for ten years.

Free cash flow after share-based pay grew 10.9% a year over the last five years. The price asks for close to its five-year rate. The industry’s median company is priced for 8.4%.

In December 2017 the price assumed 23.1% a year; Armstrong World Industries, Inc. went on to grow free cash flow after share-based pay 15.6% a year to FY2025.

Price implies
14.6%
Last 5 years, reported
10.9%
Industry median implies
8.4%

The headline discounts the last twelve months’ free cash flow after share-based pay at 9.0% for ten years and grows it 2.5% a year after that, the same for every company, so the figure compares across the market (how a reverse DCF works).

The other way round · DCF
The price needs
14.6% a year for ten years
$170.97
today’s price
Its base case
10.9% a year for five years, then 6.5%
$108.46
36.6% below today’s price

Both are growth in free cash flow after share-based pay, discounted at 9.0%, with 2.5% a year after year ten.

Base case on its own ten-year record Armstrong World Industries, Inc.’s own growth, carried forward

Its assumptions

Powerpack lets you start from a scenario and type over any of them.

The base case’s inputs, which Powerpack lets you change
1 · Cash flow to equity
the four quarters to September 2026, from the 10-Q and 10-K filings, before share-based pay

Yearly growth in cash flow. It usually slows as the company matures.

Today’s price implies free cash flow after share-based pay growing 14.6% a year for ten years.

2 · Rates

Cost of equity is the yearly return shareholders require, typically 8–11%. Terminal growth is growth forever after year 10, usually near long-run inflation, 2–3%.

3 · Per share

Diluted shares outstanding. Net debt, under Advanced inputs, is taken off before dividing.

Advanced inputs
negative is net cash
new shares the cash flow does not pay for

Against Armstrong World Industries, Inc.’s own cost of capital: risk-free 4.3% + beta 1.14 × equity premium 4.5% = 9.4% cost of equity; weighted, 9.4%.

Use 9.4%
Equity value $4.66b ▼ below market cap $7.34b
Base case value per share $108.46 equity value ÷ 42.95m shares
Current price $170.97 market price per share
Below today’s price 36.6% downside at the base case’s assumptions

How we got there$2.05b 10 years of cash to equity+$3.04b terminal value−$427.30m net debt=$4.66b equity value÷42.95m shares=$108.46 per share

Valuation against its own history

Today’s multiple against its 5- and 10-year averages and the industry median (Building Products & Equipment).

Multiple Current 5Y avg 10Y avg vs 10Y avg Industry median vs industry 10Y range
P/E 22.79× 21.73× 22.03× 3% above 23.33× 2% below
P/FCF 33.03× 31.05× 33.03× 0% below 18.42× 79% above
P/B 8.05× 7.76× 9.09× 11% below 2.85× 182% above
EV/EBITDA 13.29× 13.03× 12.98× 2% above 13.29× 0% above
EV/Sales 4.37× 4.23× 4.40× 1% below 2.28× 92% above
22.25×31.31×40.38×49.45×10Y avg 33.03×2017201820192020202120222023202420252026

AWI trades at 33.03× P/FCF, against a 10-year average of 33.03× (range 19.25×–51.42×). That is dearer than 56% of the last 9 year-end readings; re-rating to the average implies $170.97 per share.

Every growth rate on this page is the business’s — its cash flow, FFO or dividend — never its share price’s. A discounted-cash-flow model is only as good as its assumptions. Figures from the 10-K and 10-Q filings. Not investment advice.