Cornerstone Building Brands, Inc.

What Do They Do?

Makes windows and doors, siding and accessories, and metal building products for residential and commercial customers in new construction and repair-and-remodel markets.

How Do They Make Money?

Customers buy products under contracts typically lasting a year or less, with sales made when the products change hands. Metal Solutions also sells separately purchased extended warranties, which generate revenue over their terms.

revenue

Segment	Share	How money arrives
Windows & Doors Sold outright	46%	Sold outright
Siding & Accessories Sold outright	21%	Sold outright
Metal Solutions Sold outright	33%	Sold outright

Who Are Their Customers?

Homebuilders and contractors buy windows and doors through dealers, lumberyards and distributors; Canadian new-construction sales are mostly direct. Siding and accessories go mainly through distributors and retail home centers, while Metal Solutions sells to retail customers through branches.

Customers above 10% of revenue, FY2025

of revenue from one customer

Do Revenues Turn Into Profits?

No. It lost $703M in FY2025.

Operating income, FY2025

−8% of revenue

▼ −50% (Loss) vs FY2024 (−$852.8M, −16%)

Net income, FY2025

−13% of revenue

▼ −41% (Loss) vs FY2024 (−$1.2B, −22%)

Free cash flow, FY2025

−3% of revenue

▼ −8% (Loss) vs FY2024 (−$195.6M, −4%)

How Are They Changing?

Since the FY2025 annual report

Latest quarter: Q2 FY2026, the three months to Jul 4, 2026

Revenue: ▲ +1%; vs $1.4B in Q2 FY2025
Net income: ▲ +185% (Loss); vs −$60M in Q2 FY2025

Windows & Doors share of revenue vs 46.6% in Q2 FY2025

Sep 1, 2026 Cornerstone names Matthew E. Garth chief financial officer Christian Storch’s interim CFO service concludes in connection with Garth’s appointment.

Flat. Revenue was $5.4B in FY2025, about the same as the $5.6B of FY2021.

Revenue over time

Windows & Doors Siding & Accessories Metal Solutions

$10B$5B$0

FY2023 FY2024 FY2025

Who Do They Compete With?

Competes with Jeld-Wen, Pella, MI, Andersen, PGT, United, Provia, All Weather at Home, CertainTeed, Alside, Westlake Royal Building Products, Rollex, Euramax, Gentek, Barrette, U.S. Fence, Homeland Vinyl Products, Westech, Bufftech, and Azek

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