SUBSEQUENT EVENTS	12 Months Ended
Dec. 31, 2025
Subsequent Events [Abstract]
SUBSEQUENT EVENTS	SUBSEQUENT EVENTS On December 9, 2025, Perimeter Solutions North America, Inc., a Delaware corporation (the “Buyer”), a wholly-owned subsidiary of the Company, entered into a Securities Purchase Agreement (the “MMT Purchase Agreement”), by and among the Buyer, the Company, Thunderbird Midco, LLC, a Delaware limited liability company, and its subsidiaries (“MMT”), the equity holders of MMT (the “Sellers”), and certain other parties thereto pursuant to which the Buyer agreed to acquire all of the outstanding capital stock of MMT from the Sellers for $685 million in cash, subject to certain customary adjustments as set forth in the MMT Purchase Agreement (the “MMT Acquisition”). On January 22, 2026, the Company completed the MMT Acquisition pursuant to the MMT Purchase Agreement (the “Closing”), and the Buyer acquired all of the outstanding capital stock of MMT in exchange for the cash consideration described above. The Purchase Agreement contains customary representations, warranties and covenants of the Buyer, the Company, MMT and the Sellers. Buyer and the Sellers have agreed to indemnify each other for certain breaches of representations, warranties and covenants. This transaction will be accounted for as a business combination under the acquisition method of accounting. The Company will record the assets acquired and liabilities assumed at their fair values as of the acquisition date. On January 2, 2026, Perimeter Holdings, LLC (“Perimeter Holdings”), an indirect wholly owned subsidiary of Perimeter Solutions, Inc. (the “Company”), completed its offering of $550 million in aggregate principal amount of 6.250% senior secured notes due 2034 (the “2034 Notes”) in transactions that were exempt from the registration requirements of the Securities Act of 1933, as amended (the “Securities Act”). The Notes were issued under an indenture, dated January 2, 2026 (the “Indenture”), by and among Perimeter Holdings, the guarantors party thereto and U.S. Bank Trust Company, National Association, as trustee and notes collateral agent. The Notes mature on January 15, 2034, and bear interest at a rate of 6.250% per annum, payable in cash semi-annually in arrears on January 15 and July 15 of each year, commencing on July 15, 2026. The Company used the net proceeds of the 2034 Notes, together with cash on hand, to pay the cash consideration for the MMT Acquisition and to pay related fees and expenses.

On December 9, 2025, Perimeter Solutions North America, Inc., a Delaware corporation (the “Buyer”), a wholly-owned subsidiary of the Company, entered into a Securities Purchase Agreement (the “MMT Purchase Agreement”), by and among the Buyer, the Company, Thunderbird Midco, LLC, a Delaware limited liability company, and its subsidiaries (“MMT”), the equity holders of MMT (the “Sellers”), and certain other parties thereto pursuant to which the Buyer agreed to acquire all of the outstanding capital stock of MMT from the Sellers for $685 million in cash, subject to certain customary adjustments as set forth in the MMT Purchase Agreement (the “MMT Acquisition”).

On January 22, 2026, the Company completed the MMT Acquisition pursuant to the MMT Purchase Agreement (the “Closing”), and the Buyer acquired all of the outstanding capital stock of MMT in exchange for the cash consideration described above. The Purchase Agreement contains customary representations, warranties and covenants of the Buyer, the Company, MMT and the Sellers. Buyer and the Sellers have agreed to indemnify each other for certain breaches of representations, warranties and covenants. This transaction will be accounted for as a business combination under the acquisition method of accounting. The Company will record the assets acquired and liabilities assumed at their fair values as of the acquisition date.

On January 2, 2026, Perimeter Holdings, LLC (“Perimeter Holdings”), an indirect wholly owned subsidiary of Perimeter Solutions, Inc. (the “Company”), completed its offering of $550 million in aggregate principal amount of 6.250% senior secured notes due 2034 (the “2034 Notes”) in transactions that were exempt from the registration requirements of the Securities Act of 1933, as amended (the “Securities Act”). The Notes were issued under an indenture, dated January 2, 2026 (the “Indenture”), by and among Perimeter Holdings, the guarantors party thereto and U.S. Bank Trust Company, National Association, as trustee and notes collateral agent. The Notes mature on January 15, 2034, and bear interest at a rate of 6.250% per annum, payable in cash semi-annually in arrears on January 15 and July 15 of each year, commencing on July 15, 2026. The Company used the net proceeds of the 2034 Notes, together with cash on hand, to pay the cash consideration for the MMT Acquisition and to pay related fees and expenses.