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reported a fourth-quarter loss today that beat Wall Street's slightly lowered estimates by 6 cents, but the company cautioned that market conditions haven't yet improved, which means low building products pricing could continue for the next several months.

For the fourth quarter, the company reported a loss, excluding unusual items, of $28.2 million, or 27 cents a share. The company earned $32.2 million, or 31 cents a share, in the year-ago period. Eight analysts surveyed by

First Call/Thomson Financial

expected Louisiana-Pacific, which is based in Portland, Ore., to report a loss of 33 cents a share in the latest period.

Louisiana-Pacific, a building products concern, also reported fourth-quarter revenue of $569 million, down from $763.9 million in the same quarter one year ago.

The company cited weak building products prices, higher energy costs and extensive downtime as factors in the loss in the latest quarter.