LIMITED POWER OF ATTORNEY FOR SECTION 16 REPORTING OBLIGATIONS

      Know all by these presents, that the undersigned hereby constitutes and
appoints each of Joseph B. Armes and Luke E. Alverson, or either of them
acting singly and with full power of substitution, the undersigned's true and
lawful attorney-in-fact to:

      1. execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer or director or both of CSW Industrials, Inc.
(the "Company"), Forms 3, 4 and 5 (and any amendments thereto) in accordance
with Section 16(a) of the Securities Exchange Act of 1934, as amended (the
"Exchange Act"), and the rules thereunder;

      2. do and perform any and all acts for and on behalf of the undersigned
which may be necessary or desirable to complete and execute any such Form 3,
4 or 5, complete and execute any amendments thereto, and timely file such form
with the U.S. Securities and Exchange Commission (the "SEC") and any securities
exchange or similar authority, including without limitation the filing of a
Form ID or any other documents necessary or appropriate to enable the
undersigned to file the Forms 3, 4 and 5 electronically with the SEC;

      3. seek or obtain, as the undersigned's representative and on the
undersigned's behalf, information on transactions in the Company's securities
from any third party, including brokers, employee benefit plan administrators
and trustees, and the undersigned hereby authorizes any such person to release
any such information to each of the undersigned's attorneys-in-fact appointed
by this Limited Power of Attorney and approves and ratifies any such release
of information; and

      4. take any other action in connection with the foregoing which, in the
opinion of such attorney-in-fact, may be of benefit to, in the best interest of,
or legally required by or for, the undersigned, it being understood that the
documents executed by such attorney-in-fact on behalf of the undersigned
pursuant to this Limited Power of Attorney shall be in such form and shall
contain such information and disclosure as such attorney-in-fact may approve
in such attorney-in-fact's discretion.

            The undersigned hereby grants to each such attorney-in-fact full
power and authority to do and perform any and every act and thing whatsoever
required, necessary or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall
lawfully do or cause to be done by virtue of this Limited Power of Attorney
and the rights and powers herein granted.

            The undersigned acknowledges that the foregoing attorneys-in-fact,
in serving in such capacity at the request and on the behalf of the undersigned,
are not assuming, nor is the Company assuming, any of the undersigned's
responsibilities to comply with, or any liability for the failure to comply
with, any provision of Section 16 of the Exchange Act.

            This Limited Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3, 4 or 5 with respect
to the undersigned's holdings of and transactions in securities issued by the
Company, unless earlier revoked by the undersigned in a signed writing delivered
to each of the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has executed this Limited Power of Attorney
to be effective March 22, 2024.

Signed and acknowledged:


/s/ Jeff Underwood
Signature


Jeff Underwood
Printed Name