7/16" Donna Conna Fiberboard Natural (4-ft x 8-ft Sheet or 2.5 in. Strips)

The 7/16" Donna Conna Fiberboard Natural is a versatile building material ideal for lining, insulating, and sound deadening. Its sturdy composition also serves as an effective plaster base, suitable for both exterior and interior finishes. This fiberboard enhances structural integrity while providing functional benefits in various construction applications.

Choose the full 4-ft x 8-ft sheet, or the 2.5 in. strip for smaller jobs such as lining narrow gaps, backing trim and patching, so you only buy the amount you need.