Registration No. 33-42276


SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

_________________

POST-EFFECTIVE AMENDMENT NO. 1

TO

FORM S-8

REGISTRATION STATEMENT UNDER
THE SECURITIES ACT OF 1933

_________________

LOUISIANA-PACIFIC CORPORATION
(Exact name of registrant as specified in its charter)

Delaware 93-0609074
(State of incorporation) (I.R.S. Employer Identification No.)

414 Union Street, Suite 2000
Nashville, Tennessee

37219-1711
(Address of principal executive offices) (Zip code)

LOUISIANA-PACIFIC CORPORATION
1991 EMPLOYEE STOCK OPTION PLAN
(Full title of the plan)

Anton C. Kirchhof
Secretary
Louisiana-Pacific Corporation
805 S.W. Broadway
Portland, Oregon 97205
Telephone: (503) 821-5100
(Name, address and telephone number of agent for service)

_________________

DEREGISTRATION


DEREGISTRATION

        The total number of shares of common stock, $1 par value per share, of Louisiana-Pacific Corporation registered pursuant hereto for issuance under the Louisiana-Pacific Corporation 1991 Employee Stock Option Plan is 3,000,000 shares (following adjustment for a 3-for-2 stock split in 1992 and a 2-for-1 stock split in 1993), of which 808,604 shares have been sold since the Registration Statement became effective and 2,191,396 shares remain unsold. The Registration Statement is hereby amended to deregister the 2,191,396 remaining shares.








SIGNATURES

        The Registrant. Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this post-effective amendment to be signed on its behalf by the undersigned, thereunto duly authorized, in the city of Nashville, state of Tennessee, on the 7th day of August, 2006.

LOUISIANA-PACIFIC CORPORATION
(Registrant)
 
By:  /s/ Curtis M. Stevens
        Curtis M. Stevens
        Executive Vice President, Administration
        and Chief Financial Officer

        Pursuant to the requirements of the Securities Act of 1933, this post-effective amendment to registration statement has been signed by the following persons in the capacities indicated as of the 7th day of August, 2006.

Signature Title

/s/ Richard W. Frost
Richard W. Frost

Chief Executive Officer, Director
(Principal Executive Officer)

/s/ Curtis M. Stevens
Curtis M. Stevens

Executive Vice President, Administration and Chief
Financial Officer (Principal Financial Officer)

/s/ Russell S. Pattee
Russell S. Pattee

Corporate Controller and Assistant Treasurer
(Principal Accounting Officer)

/s/ E. Gary Cook
E. Gary Cook

Director

________________________
Archie W. Dunham

Director

/s/ Daniel K. Frierson
Daniel K. Frierson

Director

/s/ Paul W. Hansen
Paul W. Hansen

Director

/s/ John C. Kerr
John C. Kerr

Director

________________________
Kurt M. Landgraf

Director

/s/ Dustan E. McCoy
Dustan E. McCoy

Director

/s/ Colin D. Watson
Colin D. Watson

Director