The company recorded $55 million in charges during the quarter, $34 million of which are related to severance, it said in a filing with the U.S. Securities and Exchange Commission.
Owens Corning, known for its Pink Panther mascot and trademark PINK glass fiber insulation, said it expects additional charges of about $80 million during 2012 and 2013.
The first-quarter net loss was $46 million, or 38 cents per share, compared with a profit of $24 million, or 19 cents per share, a year ago.
On an adjusted basis, the company earned 9 cents a share.
Revenue rose about 9 percent to $1.35 billion.
Owens Cornings has a facility in Aiken County.