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Exhibit 31.1 CERTIFICATION OF CHIEF EXECUTIVE OFFICER
PURSUANT TO EXCHANGE ACT RULE 13a-14(a) I, Kenneth M. Jastrow, II, Chief Executive Officer of Temple-Inland
Inc., certify that:  1.
    I have reviewed this quarterly report on Form 10-Q of Temple-
Inland Inc.;2.
    Based on my knowledge, this report does not contain any
untrue statement of a material fact or omit to state a material
fact necessary to make the statements made, in light of the
circumstances under which such statements were made, not
misleading with respect to the period covered by this report;3.
    Based on my knowledge, the financial statements, and other
financial information included in this report, fairly present in
all material respects the financial condition, results of
operations and cash flows of the registrant as of, and for, the
periods presented in this report;4.
    The registrants other certifying officer and I are
responsible for establishing and maintaining disclosure controls
and procedures (as defined in Exchange Act Rules 13a-15(e) and
15d-15(e)) and internal control over financial reporting (as defined
in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant
and have:  a)
    Designed such disclosure controls and procedures, or caused
such disclosure controls and procedures to be designed under our
supervision, to ensure that material information relating to the
registrant, including its consolidated subsidiaries, is made
known to us by others within those entities, particularly during
the period in which this report is being prepared;b)
    Designed such internal control over financial reporting, or
caused such internal control over financial reporting to be
designed under our supervision, to provide reasonable assurance
regarding the reliability of financial reporting and the
preparation of financial statements for external purposes
in accordance with generally accepted accounting principles.c)
    Evaluated the effectiveness of the registrants disclosure
controls and procedures and presented in this report our
conclusions about the effectiveness of the disclosure controls
and procedures, as of the end of the period covered by this
report based on such evaluation; andd)
    Disclosed in the report any change in the registrants
internal control over financial reporting that occurred during
the registrants most recent fiscal quarter that has materially
affected, or is reasonably likely to materially affect, the
registrants internal control over financial reporting; and 41




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5.
    The registrants other certifying officer and I have
disclosed, based on our most recent evaluation of internal
control over financial reporting, to the registrants auditors
and the audit committee of the registrants board of directors
(or persons performing the equivalent functions):  a)
    All significant deficiencies and material weaknesses in the
design or operation of internal control over financial reporting
which are reasonably likely to adversely affect the registrants
ability to record, process, summarize and report financial
information; andb)
    Any fraud, whether or not material, that involves management
or other employees who have a significant role in the
registrants internal control over financial reporting. Date: May 10, 2005
    /s/ Kenneth M. Jastrow, IIKenneth M. Jastrow, IIChief Executive Officer   42