Owens Corning (OC) reported Q1 adjusted earnings from continuing operations Wednesday of $2.97 per diluted share, down from $3.40 a year earlier.
Analysts polled by FactSet expected $2.87.
Net sales for the quarter ended March 31 was $2.53 billion, up from $2.02 billion a year earlier.
Analysts' revenue estimate was not readily available for comparison.
The company said it expects Q2 revenue from continuing operations to grow high-single-digit percent.