Sonex™ Whiteline acoustical ceiling tiles feature a white foam (Class A Fire Rated) core and a white fleece that is laminated to both surfaces. It has excellent sound absorption coefficients, especially in lower and medium frequencies. Sonex™ Whiteline ceiling tiles have high light reflectivity in an innovative, homogeneous surface. These foam ceiling tiles are available in three sizes 2'x 2' or 2'x 4' or 4' x 4'. The standard foam color is white and the tiles can easily be cut with a utility knife for installation. Please call our technical sales staff at 1-800-782-5742 with any questions on the Sonex™ Whiteline acoustical ceiling tiles.