SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* KASTELIC JOSEPH B (Last) (First) (Middle) C/O LOUISIANA-PACIFIC CORP. 414 UNION STREET, SUITE 2000 (Street) NASHVILLE TN 37219 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol LOUISIANA-PACIFIC CORP [ LPX ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) EVP/SPEC PROD-SALES
	3. Date of Earliest Transaction (Month/Day/Year) 08/19/2004
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/19/2004		M		9,200	A	$19.125	32,200(1)	D
Common Stock	08/19/2004		S		9,200	D	$24.1002	23,000(1)	D
Common Stock	08/19/2004		M		11,000	A	$18.5	34,000(1)	D
Common Stock	08/19/2004		S		11,000	D	$24.1002	23,000(1)	D
Common Stock	08/19/2004		M		15,000	A	$19.125	38,000(1)	D
Common Stock	08/19/2004		S		15,000	D	$24.1002	23,000(1)	D
Common Stock	08/19/2004		M		11,250	A	$8.1	34,250(1)	D
Common Stock	08/19/2004		S		11,250	D	$24.1002	23,000(1)	D
Common Stock	08/19/2004		S		23,000	D	$24.1002	0(1)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)(2)	$19.125	08/19/2004		M			9,200	05/06/1998(3)	05/06/2007	Common Stock	9,200	$0	0	D
Stock Option (Right to Buy)(2)	$18.5	08/19/2004		M			11,000	01/25/1999(3)	01/25/2008	Common Stock	11,000	$0	0	D
Stock Option (Right to Buy)(2)	$19.125	08/19/2004		M			15,000	02/12/2001(4)	02/12/2009	Common Stock	15,000	$0	0	D
Stock Option (Right to Buy)(2)	$8.1	08/19/2004		M			11,250	01/25/2004(5)	01/25/2012	Common Stock	11,250	$0	21,250	D

Explanation of Responses:

1. Reporting person also indirectly holds 3,342 shares in the Louisiana-Pacific 401(k) and Profit Sharing Plan (by trust).

2. Options granted pursuant to the Louisiana-Pacific 1997 Incentive Stock Award Plan.

3. Options vested in three equal annual installments, with the first installment vesting on this date subject to acceleration pursuant to the terms of the award agreement.

4. Remaining unexercised options vested on 02/12/01 (6,667 shares) and 02/12/02 (8,333 shares), subject to acceleration pursuant to the terms of the award agreement.

5. Remaining unexercised options vest(ed) on 01/25/04 (11,250 shares) and 01/25/05 (21,250 shares), subject to acceleration pursuant to the terms of the award agreement.

	Anton C. Kirchhof, Attorney-in-fact for Joseph B. Kastelic	08/20/2004
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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