EXHIBIT 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of CRH public limited company (the “Company”) on Form 10-K for the year

ended December 31, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”),

I, J. Mintern, as Chief Executive Officer of the Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as

adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge that:

1 The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2 The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Signature:	/s/ J. Mintern
	J. Mintern
	Chief Executive Officer February 18, 2026

The foregoing certification is being furnished solely pursuant to 18 U.S.C. Section 1350 and is not being filed as

part of the Report or as a separate disclosure document.