Dianalitics
Quanex Building Products Corp.
NX · v1 · 2026-09-27
hourglass
Loading…
Preparing the latest DD data, styles and content.
58NeutralDD: Sep 27, 2026Analyst: 63
paidPrice at analysis date
USD 19.7 (27/09/2026)
domainMkt cap
$897M
pie_chartShares
45.4M
candlestick_chart52W
$11.04-$23.33
trending_downShort interest
6.4%
INFONYSEMaterials4700 employeesFounded 1927
Verdict: Moderately Attractive

Small-cap building products play with Tyman integration tailwind. Q3 FY26 delivered a 276% EPS beat and a 21% share rally, yet 9-month adj. EBITDA is DOWN 16% YoY on housing weakness. Balance sheet at 2.8x leverage still elevated. Fair value $26.5 vs $19.74 implies +34% upside, with active class action lawsuit as material overhang.

📊 DIANALITICS RESEARCH INDEXCompany & Thesis Assessment Score /100 — updated 2026-09-27
63
Quanex Building Products (NX)
Building Products · NYSE · Houston, TX
"Cyclical value with self-help lever from Tyman synergies — offset by ongoing housing softness and litigation."
Fwd P/E 10.6x EV/EBITDA 7.5x Leverage 2.8x Class action pending Q3 beat +276%
Fin. strength
13
/20 pts
EBITDA/FCF
11
/15 pts
Debt/leverage
8
/15 pts
Stage/business
12
/15 pts
Catalysts
6
/10 pts
Reg. risk
4
/8 pts
Risk/reward
4
/7 pts
Management
3
/5 pts
Sector/macro
1
/3 pts
Compliance
1
/2 pts
💡 Fair Value estimate — EV/EBITDA multiple on FY26E adjusted EBITDA
Fair value base case
USD 26.5
Range: USD 14.1-USD 37.4
Price at analysis date: USD 19.7 (27/09/2026)
Base upside/downside: +34%

EV/EBITDA multiple approach on FY26E adjusted EBITDA. Multiple derived from Home Construction Materials peer median ex-outliers (ROCK 12.6x, SSD 11.8x, ex-JELD 40x distressed) with -20% risk adjustment for leverage and litigation overhang → 8.5x nominal. Implicit multiple 8.35x within ±2% of nominal. Cross-check via FCF yield method within +8%. Sensitivity: ±1x multiple = ±$4.60/sh. Base case sits within +3% of Wall Street consensus ($27.25). ⚠️ Not investment advice.

ComponentAssumptionUSD/share
Core business EV$210M FY26E adj. EBITDA × 8.5x = $1,785M EV / 45.4M shares+39.32
Net debtTotal debt $672M − est. cash $122M ($363M liquidity − $241M revolver capacity) = $550M / 45.4M shares−12.11
Buyback authorization$28.7M remaining / 45.4M shares = accretion optionality if executed near current price+0.63
Tyman synergy uplift50% probability × $30M run-rate synergies × 8.5x = $127.5M / 45.4M shares+2.81
Litigation reserveEstimated $180M downside cost (50% prob × $60M settlement + Tyman remediation capex $150M) / 45.4M−4.17
FV base caseSum: 39.32 − 12.11 + 0.63 + 2.81 − 4.17 = 26.48≈ $26.48
Bull
$37.44
Probability: 25%
Housing starts recover to normalized levels through 2027; FY27E EBITDA $250M at 9x. Class action settles for < $30M. Leverage falls to 1.5x, opens M&A window.
Base
$26.48
Probability: 50%
Housing muddles through, Tyman synergies partially delivered. FY26E adj. EBITDA $210M at 8.5x. Litigation and Tyman capex weigh on FV. Buyback continues at modest pace.
Bear
$14.10
Probability: 25%
Housing double-dip; Fed can't cut. FY27E EBITDA slips to $170M at 7x. Litigation settlement > $80M. Covenant pressure at 3.5x leverage forces equity issuance.
Methodology: EV/EBITDA multiple approach on FY26E adjusted EBITDA. Multiple derived from Home Construction Materials peer median ex-outliers (ROCK 12.6x, SSD 11.8x, ex-JELD 40x distressed) with -20% risk adjustment for leverage and litigation overhang → 8.5x nominal. Implicit multiple 8.35x within ±2% of nominal. Cross-check via FCF yield method within +8%. Sensitivity: ±1x multiple = ±$4.60/sh. Base case sits within +3% of Wall Street consensus ($27.25). ⚠️ Not investment advice. Not investment advice.
warning
⚖️ Active securities class action — Tyman Mexico facility disclosure
Class period 2024-12-12 to 2025-09-05. Allegations: management failed to disclose that maintenance at the Tyman Mexico facility was severely underfunded, causing "near catastrophic" equipment degradation. Lead plaintiff deadline (2025-11-18) has passed; litigation now proceeds. Potential monetary exposure and management distraction. Not currently quantifiable but real optionality risk on fair value.
Fair value derived independently via EV/EBITDA multiple on FY26E adjusted EBITDA, benchmarked against home construction materials peers. Tyman acquisition (closed Aug 2024) inflates YoY comparisons through FY25; use adjusted metrics.
📊 Capital Structure · Short Interest · Buyback & Dilution
🟡 Short Interest
6.4%
~2.9M shares short on 45.4M float. Days-to-cover ~5. Moderate — reflects housing cycle skepticism and litigation overhang, not existential concern.
🟢 Share dilution (1Y)
−0.2%
From 45.5M to 45.4M shares over 12 months. Modest buybacks offset stock-based compensation. Aug 2024 Tyman deal was cash + debt, not equity.
🟢 Buyback
$28.7M
Remaining authorization. Q3 FY26 repurchased 99,786 shares for $1.7M. Priority: debt paydown first, opportunistic buybacks second.
Short Interest — context
NX — 6.4%
6.4%

Insider transactions last 12 months: routine Form 4 filings for compensation vesting, no material insider selling >$500K flagged in recent filings. CEO George Wilson still at helm; leadership continuity through Tyman integration. No CFO turnover.

$Financial analysis — FY 2022-2026
Revenue LTM
$1.86B
+1.3% YoY organic
Adj. EBITDA LTM
~$200M
margin ~11%
Net debt / EBITDA
2.8x
target 1.0–1.5x
Free cash flow LTM
~$140M
Q3 FCF $47.8M (+3.5%)
ItemFY2022FY2023FY2024FY2025Guidance FY2026E
Revenue ($M)1,2221,1311,2781,838~1,860
Revenue growth %+13.9%−7.4%+13.0%+43.8%*+1.2%
Adj. EBITDA ($M)170163175237~210
Adj. EBITDA margin %13.9%14.4%13.7%12.9%~11.3%
Net income ($M)11590−167~35~90
Net debt ($M)−26 (cash)−69 (cash)670620~550
* FY2025 revenue jump reflects Tyman Group acquisition closed 2024-08-01, not organic growth. FY2024 net loss driven by $302M goodwill impairment. Fiscal year ends October 31.
Quarterly dynamics — last 5 quarters
MetricQ3 FY25Q4 FY25Q1 FY26Q2 FY26Q3 FY26
Revenue ($M)495.3492.1452.7420.5501.8
Gross margin %27.9%26.4%24.8%25.3%28.2%
Adj. EBITDA ($M)70.367.539.132.572.7
Adj. EPS ($)0.690.650.150.100.79
End-of-period cash ($M)9010595108122
Financial position and sustainability
Debt paydown vs FY26 target
$120M / $185M
Tyman synergy realization
$15M / $30M
Leverage progress to 1.5x target
2.8x → 1.5x
account_tree

Business model — Building products for windows, doors and cabinets

What Quanex does
Quanex is a components supplier to the North American and European fenestration industry: energy-efficient glazing spacers, window/door screens, sealants, engineered vinyl profiles and cabinet hardware. Post-2024 Tyman acquisition ($1.1B enterprise value), Quanex added door hardware (Amesbury Truth), industrial hardware and access solutions across three segments. ~65% US, 25% Europe (Truth/Reguitti brands), 10% RoW. Customers: OEM window/door fabricators, cabinet makers (Andersen, Pella, Marvin, Cabinetworks). Revenue mix: ~50% new construction, ~50% repair & remodel.

Hardware Solutions ~$890M FY26E (~47% rev) 🟡 to prove Tyman legacy + Amesbury Truth. Door hardware, window screens, screwless-frame systems. Q3 sales −2.7% YoY, EBITDA margin ~12%. Facing tariff headwinds (~$9M in Q3) and Mexico facility remediation costs. Main risk: execution on class action allegations. Extruded Solutions ~$720M FY26E (~38% rev) 🟢 ramping Legacy Quanex vinyl profiles for window frames. Q3 sales +2.8% YoY on price mix. EBITDA margin ~19.8% (best in portfolio). Beneficiary of R&R spending resilience and modest price hikes. Sticky OEM customer relationships. Custom Solutions ~$440M FY26E (~23% rev) 🟢 ramping Cabinet components, IG spacer systems, engineered products. Q3 sales +8.5% YoY on new business wins and 3% volume. EBITDA margin ~10.8%. Strongest growth engine, expanding relationships with Cabinetworks and Masterbrand.

gavel

Legal, regulatory and risk analysis

Securities class action lawsuit (Tyman disclosure)
High
Active federal securities suit; class period Dec 2024–Sep 2025. Allegations of undisclosed underfunded maintenance at Tyman Mexico facility. Lead plaintiff deadline passed 2025-11-18. Potential exposure $20–80M plus legal fees and management distraction over 18-24 months.
Housing cycle exposure
High
~50% revenue tied to new residential construction. US housing starts remain 30% below 2005 peak, mortgage rates still elevated. R&R business (~50%) provides some cushion but weakened in FY25. Cyclical trough in EBITDA margin (11% vs 14% historical).
Leverage 2.8x post-Tyman
Moderate
$672M total debt vs pre-deal net cash. Covenant headroom sufficient in Q3 (Adj. EBITDA to interest coverage ~5x) but a 20% EBITDA drop tightens ratios. Debt maturities well-laddered post-refinancing. Management prioritizing paydown over M&A.
Tariff and remediation capex
Moderate
IEEPA tariffs cost ~$9M in Q3, management guides for "significantly less" in Q4. Tyman Mexico facility likely requires $50-150M remediation capex per class action allegations. Not yet in guidance.
Q4 FY26 earnings execution
Moderate
Management guided Q4 as "impressive" margin quarter for Hardware. Full-year adj. EBITDA implicit at ~$210M vs peak $237M in FY25. Miss on Q4 would break the Q3 rally thesis. Seasonally strongest quarter.
Free cash flow resilience
Positive
Q3 FCF $47.8M (+3.5% YoY) despite Hardware weakness. LTM FCF ~$140M implies ~15% FCF yield on current market cap. Working capital discipline and disciplined capex ($15–20M/qtr) support debt paydown pace.
Pricing power
Positive
Q3 delivered 3% overall pricing benefit despite soft volumes — indicates sticky OEM relationships and product differentiation. Gross margin expanded to 28.2% from 27.9%. Rare in a cyclical downturn.
Custom Solutions momentum
Positive
Segment revenue +8.5% YoY, volumes +3%, new business wins. Structural share gain in cabinet components (Cabinetworks) offsets Hardware weakness. Provides growth optionality independent of housing cycle timing.
article

SWOT analysis

Strengths
  • +Diversified 3-segment portfolio post-Tyman with cross-sell optionality
  • +Strong FCF conversion (~70% of adj. EBITDA), 15% FCF yield at current price
  • +Sticky OEM customer relationships (Andersen, Pella, Marvin, Cabinetworks)
  • +Q3 FY26 delivered gross margin expansion and pricing gains despite soft volumes
  • +Trading at 30-40% EV/EBITDA discount to higher-quality peers ROCK, SSD
Weaknesses
  • −Leverage 2.8x above management's own 1.0-1.5x target range
  • −9-month FY26 adj. EBITDA margin dropped to 10.5% from 12.8% (200bps compression)
  • −Hardware Solutions (largest segment) shrinking on volume: −2.7% Q3
  • −Active class action creates opacity around Tyman integration true costs
  • −Cyclical exposure with limited pricing power in downturn extremes
Opportunities
  • →Full realization of $30M Tyman synergies (only ~50% delivered YTD)
  • →Housing recovery in 2027 on Fed rate cuts and pent-up demand
  • →Custom Solutions share gains with Cabinetworks and Masterbrand
  • →Energy-efficient product tailwind (IRA extensions, EU regulatory push)
  • →Deleveraging to 1.5x opens M&A window at trough valuations
Threats
  • !Class action settlement > $80M plus Tyman remediation capex $150M+
  • !Housing double-dip if Fed cuts stall or mortgage rates rise back to 7%+
  • !Tariff regime changes and cross-border supply chain (Mexico)
  • !Customer concentration: top 10 = ~35% of revenue
  • !Competing entrants in commodity extruded profiles pressuring margins
article

Summary by assessment area

🟡 Financial risk — Moderate
  • Leverage 2.8x above target 1.0-1.5x
  • FCF strong ~$140M LTM, ~15% yield
  • Liquidity $363M, adequate but not abundant
  • Buyback capacity ($28.7M) subordinate to debt paydown
🔴 Legal risk — High
  • Active securities class action for Tyman disclosure
  • Lead plaintiff deadline passed, case proceeding
  • Potential exposure $20-80M plus fees
  • Management distraction risk over 18-24 months
🔵 Valuation — Attractive
  • FV base case $26.5 vs price $19.74 (+34%)
  • FV in line with consensus $27.25
  • EV/EBITDA 7.5x vs peer median ~9-10x
  • FCF yield ~15% signals cash-return capability
Sources & Disclaimer

Sources: Quanex Q3 FY26 earnings release (2026-09-03, stocktitan.net); Investing.com Q3 2026 earnings call transcript; StockAnalysis.com NX overview and revenue history; MarketBeat NX historical prices; ValueInvesting.io NX and ROCK EV/EBITDA multiples; StockAnalysis.com ROCK, JELD statistics; Kessler Topaz Meltzer & Check class action filing; StockAnalysis.com NX analyst forecast; AAII NX article. Market data — last verified close 2026-09-25: NX $19.74, market cap ~$897M, 52W range $11.04–$23.33, ~45.4M shares outstanding. Short interest ~6.4%. ⚠️ This document is for informational purposes only and does not constitute financial or investment advice.