Cloudscape® Ceiling Tiles come in three different configurations.
Backed:
1½" Melamine + ½" Backer Ceiling Tile
Size: 23-3/4" x 23-3/4" (6 Tiles per box)
Mount: Drop into existing T-bar Grid
Barrier Backed:
1½" Melamine + ½" Backer + 1/8" BlockAid®
Size: 23-3/4" x 23-3/4" (6 Tiles per box)
Mount: Drop into existing T-bar Grid
Unbacked:
1½" Melamine Tile
Size: 24" x 24" (18 Tiles per box)
Mount: Direct to wall or ceiling
(adhesive by others)