Acid-Free Foam Core Backing Board

Our finest backing board option, this superior acid-free composition is ideal for your most treasured pieces. 32" x 40" - 8 Count.

Acid-free foam core is a great choice because it has all qualities of our regular foam core backing plus:

• It provides maximum protection from environmental factors that can cause your pieces to degrade over time
• It preserves your artwork for generations
• It protects items that are impossible to replace such as vintage family photos, priceless artwork, and historic and heirloom documents