Foam Core

Foam Core

Definition

Foam Core is a lightweight, rigid sheet composed of a foam center laminated with paper or other facing materials on both sides. It is commonly used in picture framing, art mounting, and presentation work. The inert foam core provides stability and support for artwork while remaining easy to handle and cut. Acid-free and archival-quality versions are available for long-term preservation of artwork, preventing deterioration caused by acidic materials.

Uses

• Backing board for framed artwork, prints, or photographs.
• Mounting surface for artwork, posters, or presentation displays.
• Substrate for signage, craft projects, and graphic displays.
• Provides structural support without adding excessive weight.
• Used in conservation framing when archival-grade foam core is selected.

Best Practices

• Select acid-free or archival foam core for any artwork intended for long-term display or storage.
• Cut with a sharp utility knife or precision cutter to achieve clean edges and avoid damaging the paper facing.
• Ensure the foam core is fully supported inside the frame to prevent warping over time.
• Avoid exposure to moisture or extreme humidity to prevent bending or delamination of the layers.
• Pair with appropriate mounting techniques (e.g., hinging or dry mounting) to secure artwork safely without adhesives that could damage the foam or artwork.

Related Terms

• Cardboard
• Cork Board
• Sintra
• Pvc Sheet