v3.26.1
DEBT
 3 Months Ended
Mar. 31, 2026
Debt Disclosure [Abstract]  
DEBT
10.
DEBT
Details of the Company’s outstanding long-term debt, as well as the fair values, are as follows:
March 31, 2026December 31, 2025
(In millions)Carrying
Value		Fair
Value		Carrying
Value		Fair
Value
3.400% senior notes, net of discount and financing fees, due 2026
$400 100 %$399 100 %
5.500% senior notes, net of discount and financing fees, due 2027
498 101 %498 102 %
3.950% senior notes, net of discount and financing fees, due 2029
448 98 %448 99 %
3.500% senior notes, net of discount and financing fees, due 2030
2 90 %2 100 %
3.500% senior notes, net of discount and financing fees, due 2030
345 96 %343 97 %
3.875% senior notes, net of discount and financing fees, due 2030
299 97 %299 98 %
5.700% senior notes, net of discount and financing fees, due 2034
791 103 %791 105 %
7.000% senior notes, net of discount and financing fees, due 2036
369 112 %369 114 %
4.300% senior notes, net of discount and financing fees, due 2047
590 79 %590 82 %
4.400% senior notes, net of discount and financing fees, due 2048
391 80 %391 82 %
5.950% senior notes, net of discount and financing fees, due 2054
683 99 %683 102 %
Various finance leases, due through 2050 (a)
308 100 %309 100 %
Total long-term debt5,124 N/A5,122 N/A
Less – current portion of senior notes400 100 %399 100 %
Less – current portion of finance leases and other (a)38 100 %36 100 %
Long-term debt, net of current portion$4,686 N/A$4,687 N/A
(a)The Company determined that the book value of the above noted long-term debt instruments approximates fair value.
The fair values of the Company's outstanding long-term debt instruments were estimated using market observable inputs, including quoted prices in active markets, market indices and interest rate measurements. Within the hierarchy of fair value measurements, these are Level 2 fair values.
Senior Notes
The Company issued $500 million of 2027 senior notes with an annual interest rate of 5.500%, $800 million of 2034 senior notes with an annual interest rate of 5.700% and $700 million of 2054 senior notes with an annual interest rate of 5.950% on May 31, 2024. The proceeds from these notes were used to repay a portion of the outstanding borrowings under the 364-Day Credit Facility (as defined below) that was used to fund a portion of the purchase of Masonite in the second quarter of 2024 and to pay related fees and expenses.
On May 1, 2024, in connection with the acquisition of Masonite, we commenced an offer to exchange (the “Exchange Offer”) any and all of Masonite’s outstanding 3.50% Senior Notes due 2030 (the “Masonite 2030 notes”) for new 3.50% Senior Notes due 2030 of Owens Corning (the “Owens Corning 2030 notes”). On May 22, 2024, 99.51% of the outstanding Masonite 2030 notes were exchanged and we issued $373 million aggregate principal amount of Owens Corning 2030 notes, which was a non-cash financing transaction for the Company. Interest on the notes is payable semiannually in arrears on February 15 and August 15 each year, beginning on August 15, 2024. Following the settlement of the Exchange Offer, approximately $2 million of the Masonite 2030 notes that were not exchanged remain outstanding, which has been recorded on the Consolidated Balance Sheets.
On April 15, 2024, in connection with the acquisition of Masonite, we commenced a tender offer (the “Tender Offer”) to purchase any and all of Masonite's outstanding 5.375% Senior Notes due 2028 (the “Masonite 2028 notes”) with an aggregate value of $501 million. On May 13, 2024, 94.25% of the outstanding Masonite 2028 notes were validly tendered, with Owens Corning making a cash payment on May 16, 2024 of approximately $480 million, inclusive of $7 million of interest and $1 million premium on tender. Following the settlement of the Tender Offer, approximately $29 million of the Masonite 2028 notes that were not tendered remained outstanding. On February 1, 2025, the Company issued a par call to repay the remaining portion of its outstanding Masonite 2028 notes for $30 million inclusive of accrued interest.
The Company issued $300 million of 2030 senior notes on May 12, 2020. Interest on the notes is payable semiannually in arrears on June 1 and December 1 each year, beginning on December 1, 2020. The proceeds from these notes were used for general corporate purposes.
The Company issued $450 million of 2029 senior notes on August 12, 2019. Interest on the notes is payable semiannually in arrears on February 15 and August 15 each year, beginning on February 15, 2020. The proceeds from these notes were used to repay $416 million of our 2022 senior notes and $34 million of our 2036 senior notes.
The Company issued $400 million of 2048 senior notes on January 25, 2018. Interest on the notes is payable semiannually in arrears on January 30 and July 30 each year, beginning on July 30, 2018. The proceeds from these notes were used, along with borrowings on a $600 million term loan commitment and borrowings on the Receivables Securitization Facility (as defined below), to fund the purchase of Paroc in the first quarter of 2018.
The Company issued $600 million of 2047 senior notes on June 26, 2017. Interest on the notes is payable semiannually in arrears on January 15 and July 15 each year, beginning on January 15, 2018. A portion of the proceeds from these notes was used to fund the purchase of Pittsburgh Corning in 2017 and for general corporate purposes. The remaining proceeds were used to repay $144 million of our 2019 senior notes and $140 million of our 2036 senior notes.
The Company issued $400 million of 2026 senior notes on August 8, 2016. Interest on the notes is payable semiannually in arrears on February 15 and August 15 each year, beginning on February 15, 2017. A portion of the proceeds from these notes was used to redeem $158 million of our 2016 senior notes. The remaining proceeds were used to pay down portions of our Receivables Securitization Facility and for general corporate purposes. As of March 31, 2026, the $400 million outstanding balance related to the 2026 senior notes was recorded in Long-term debt – current portion on the Consolidated Balance Sheets.
The Company issued $550 million of 2036 senior notes on October 31, 2006. Interest on the notes is payable semiannually in arrears on June 1 and December 1 each year, beginning on June 1, 2007. The proceeds of these notes were used to pay certain unsecured and administrative claims, finance general working capital needs and for general corporate purposes.
Collectively, the Company's senior notes above, other than the Masonite 2028 notes or the Masonite 2030 notes, are referred to as the “Senior Notes.” The Senior Notes are general unsecured obligations of the Company and rank pari passu with all existing and future senior unsecured indebtedness of the Company. The Company has the option to redeem all or part of the Senior Notes at any time at a “make-whole” redemption price. The Company is subject to certain covenants in connection with the issuance of the Senior Notes that it believes are usual and customary. The Company was in compliance with these covenants as of March 31, 2026.
Senior Revolving Credit Facility
On March 5, 2025, the Company amended its senior revolving credit facility (the “Senior Revolving Credit Facility”) to increase the available principal amount from $1.0 billion to $1.5 billion and to extend the maturity to March 2030. The Senior Revolving Credit Facility includes both borrowings and letters of credit. Borrowings under the Senior Revolving Credit Facility may be used for general corporate purposes and working capital. The Company has the discretion to borrow under multiple options, which provide for varying terms and interest rates including the United States prime rate, federal funds rate plus a spread or forward-looking term rate based on the Secured Overnight Financing Rate (“Term SOFR”) plus a spread.
The Senior Revolving Credit Facility contains various covenants, including a maximum allowed leverage ratio, that the Company believes are usual and customary for a senior unsecured credit agreement. The Senior Revolving Credit Facility was amended in February 2026 to exclude specified 2025 non‑cash impairment charges from the leverage ratio calculation. The Company was in compliance with the covenants in the Senior Revolving Credit Facility as of March 31, 2026.
Commercial Paper
On March 5, 2025, the Company established a $1.5 billion commercial paper program ("CP Program") for the issuance of unsecured commercial paper notes (the “CP Notes”) with maturities ranging up to 397 days from the date of issuance. The CP Notes may not be voluntarily prepaid or redeemed by the Company prior to maturity and rank pari passu with all existing and future senior unsecured indebtedness of the Company. The proceeds from the CP Notes will be used to finance the Company’s short-term liquidity needs and other general corporate purposes. The Senior Revolving Credit Facility is designated to be a liquidity backstop for the CP Notes outstanding under the CP Program. We do not intend to have outstanding borrowings under the CP Program in excess of available capacity under our Senior Revolving Credit Facility. As of March 31, 2026, there were $380 million of CP Notes outstanding under the CP Program with a weighted average interest rate and weighted average maturity period of 4.10% and 9 days, respectively. As of December 31, 2025, there were $50 million of CP Notes outstanding
under the CP Program with a weighted average interest rate and weighted average maturity period of 3.95% and 13 days, respectively. The CP Notes are reported net of any discount and are included within Short-term debt on the Company's Consolidated Balance Sheets.