OC · 10-K filed 25 Feb 2026 · year to 31 Dec 2025

Owens Corning

24 named things its latest annual report says its results depend on, each in the company's own words. 15 of them are also named by other companies we've read.

Read the filing on SEC.gov ↗

Customers

Two largest customers (unnamed)

earns from · 16% and 12% of our annual net salesnamed as a risk

In 2025, we had two customers that represented 16% and 12% of our annual net sales, respectively.Risk factors (Item 1A)

Also named by AMAT, NXST, PDFS

Suppliers

Sole-source roofing raw material supplier

depends onnamed as a risk

One of the raw materials important to this segment is sourced from a sole supplier.Business (Item 1)

Third-party freight carriers

depends onnamed as a risk

We are also dependent on third-party freight carriers to transport some of our raw materials and products.Risk factors (Item 1A)

Other companies

Masonite International Corporation

$1,135 million in pre-tax non-cash impairment chargesnamed as a risk

In 2025, as a result of interim goodwill impairment testing, we recorded $1,135 million in pre-tax non-cash impairment charges, equal to the excess of the Doors reporting unit's carrying value over its fair value.Risk factors (Item 1A)

Glass reinforcements business divestiture

$474 millionnamed as a risk

There can be no assurance that we will obtain the required regulatory or third-party approvals and consents to the sale, or that we will close the sale within the anticipated time period, or at all.Risk factors (Item 1A)

Paroc Group OY marine insulation recall

named as a risk

Although we established an estimated liability for expected future costs related to this matter, it is reasonably possible that additional product recall costs could be incurred that exceed the estimated liability by amounts that could be material to our consolidated financial statements.Risk factors (Item 1A)

North American new residential construction

earns fromnamed as a risk

Demand for residential insulation in North America typically follows housing starts on a three-month lagged basis, although the new residential construction cycle can elongate due to labor availability and other factors beyond our control.Business (Item 1)

Places

Europe

operates innamed as a risk

Natural gas supply shortages could lead to additional price increases, energy supply rationing, or temporary reduction in our European operations, which could have a material adverse impact on our business or results of operations.Risk factors (Item 1A)

Also named by ADSK, AME, AMRC, ATR, BCSF, BKNG, BMI, BMY and 60 more

China

subject tonamed as a risk

In addition, several governments, including the European Union, China and India, have imposed tariffs, including reciprocal tariffs, on certain goods imported from the United States.Risk factors (Item 1A)

Also named by A, AA, AAOI, AAP, AAPL, AB, ADI, AEHR and 261 more

Tampa, Florida

operates innamed as a risk

For example, our Doors headquarters is located in Tampa, Florida, a coastal area that is susceptible to hurricanes and tropical storms.Risk factors (Item 1A)

Also named by MAA

United States

earns from

We sell shingles and roofing components primarily through distributors, home centers and lumberyards in the United States.Business (Item 1)

Also named by ABBV, ADP, AJG, AMGN, APA, AXGN, AXP, BALL and 139 more

Hazards

Hurricanes

operates innamed as a risk

For example, our Doors headquarters is located in Tampa, Florida, a coastal area that is susceptible to hurricanes and tropical storms.Risk factors (Item 1A)

Also named by AIG, AN, ASO, BAC, BBY, BJ, BPOP, BRO and 89 more

Severe storms

earns fromnamed as a risk

In periods with below average levels of severe storms, demand for such products is reduced.Risk factors (Item 1A)

Also named by ES, WRB

Commodities and inputs

Crude oil

exposed to its pricenamed as a risk

Asphalt input costs and third-party asphalt sales prices are correlated to crude oil prices.Business (Item 1)

Also named by AESI, ALK, APA, ARLP, BDX, CFR, CL, CLMT and 48 more

Natural gas

exposed to its pricenamed as a risk

For example, natural gas forms the primary energy source for our European operations and our European operations can be directly affected by volatility in the cost and availability of natural gas.Risk factors (Item 1A)

Also named by AA, ADM, AEE, AEP, AES, AESI, AGX, ALB and 132 more

Asphalt

exposed to its pricenamed as a risk

Although this has not caused a significant interruption of our production in the past, prolonged asphalt shortages would restrict our ability to produce products in this segment.Business (Item 1)

Also named by CSL, QXO

Renewable electricity purchase contracts

exposed to its pricenamed as a risk

Due to this potential volatility, it is possible that these contracts, or similar contracts we execute in the future, could have an impact on our results of operations in a given reporting period.Risk factors (Item 1A)

Euro

exposed to its price

Our most significant translation exposures are the European Euro, Canadian Dollar, Polish Złoty, Swedish Krona and Chinese Yuan in relation to the United States Dollar.Market risk (Item 7A)

Also named by ABBV, ABNB, ABT, ADBE, ADI, AME, AMG, AMGN and 186 more

Regulators

U.S. Environmental Protection Agency

subject tonamed as a risk

Laws or regulations aimed at addressing climate change, including, but not limited to, local building codes, Environmental Protection Agency regulations on greenhouse gas ("GHG") emissions, laws or regulations impacting energy supply, and associated disclosure requirements, may materially impact demand for our products or our cost of doing business.Risk factors (Item 1A)

Also named by AAON, AAP, ALSN, AMRC, APA, APD, APG, AROC and 78 more

Laws and programs

U.S. Federal Superfund law

subject to · 10 Superfund and state or country equivalent sitesnamed as a risk

At the end of 2025, the Company was involved with a total of 25 sites worldwide, including 10 Superfund and state or country equivalent sites and 15 owned or formerly owned sites.Business (Item 1)

U.S. tariffs

subject tonamed as a risk

These trade actions and evolving U.S. trade policies with countries such as Canada, Mexico and China could disrupt our supply chains, increase our costs for raw materials, increase costs the Company may incur on finished goods shipped to customers, and negatively impact our business margins and financial results.Risk factors (Item 1A)

Also named by A, AAPL, ACHR, ADI, AEHR, AEP, AIOT, AKAM and 170 more

EU Corporate Sustainability Reporting Directive

subject tonamed as a risk

Compliance with foreign, federal, state and local legislation and regulations concerning climate-related disclosures, including compliance with the European Commission’s Corporate Sustainability Reporting Directive, may result in additional costs and capital expenditures, and the failure to comply with such legislation and regulations could result in fines to us and could affect our business, financial condition, results of operations and cash flows.Risk factors (Item 1A)

Also named by AMAT, AVY, CBRE, FFIV, GNRC, HLT, IEX, INGR and 19 more

Emissions Trading Schemes

subject tonamed as a risk

Owens Corning is subject to or has chosen to voluntarily participate in Emissions Trading Schemes around the world.Business (Item 1)

Resource Conservation and Recovery Act

subject to

These responsibilities arise under a number of laws, including, but not limited to, the Federal Resource Conservation and Recovery Act, and similar state or local laws pertaining to the management and remediation of hazardous materials and petroleum.Business (Item 1)

Also named by AN, CDE, CLH, CTAS, ESI, HL, LB, MLM and 7 more