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[3A Composites formerly Monsanto Co., St. Louis, MO] A registered trademark for an acid-free laminated foamboard. Fome-Cor® is made from a rigid, extruded polystyrene core laminated with clay-coated paper on both sides. The rigid, strong, flat panels are water-resistant and dimensionally stable. Direct sunlight will cause bleaching and degradation of any unprotected foam. Fome-Cor® has been used as a protective backing for paintings and photographs.

Options available:

  • FOME-COR: Original graphic arts foam board; embossable and printable
  • FOME-COR with ENCORE technology: Standard board with memory foam core that is more resistant to denting
  • FOME-COR Singlestep: Standard board with heat-activated adhesive on one facer
  • FOME-COR Quickstick: Standard board with pressure sensitive adhesive on one facer; either low tack or high tack
  • FOME-COR Jetmount: Standard board with extra dense foam core for increased rigidity and warp resistance
  • FOME-COR Canvas: Standard board with canvas-like coated paper facers on both sides
  • FOME-COR Foundation: Standard interior with high-quality acid-free paper facers used for archival preservation

Synonyms and Related Terms

FomeCor (sp); Foam Cor (sp); Foam Core (sp); mounting board; polystyrene core board; foamboard


For comparison with alternates, see

Personal Risk

Combustible, producing styrene and carbon monoxide.

Working Properties

  • 3A Composites Fabrication guide: [[1]]
  • Edges remain open when cut

Forms and Sizes

  • Thicknesses: Foam colors: white or black
  • Facers: white coated or black uncoated
  • Thickness: 1/8", 3/16", 3/8", 1/2"
  • Sizes: 20"x30" up to 96"x120"

Resources and Citations

  • Fome-cor: Website
  • Curbell Plastics: FOME-COR Product sheet
  • Pam Hatchfield, Pollutants in the Museum Environment, Archetype Press, London, 2002
  • Reed Kay, The Painter's Guide To Studio Methods and Materials, Prentice-Hall, Inc., Englewood Cliffs, NJ, 1983 Comment: p. 90
  • Book and Paper Group, Paper Conservation Catalog, AIC, 1984, 1989
  • Submitted information: Christine Bird, November 2007
  •, Art and Architecture Thesaurus Online, J. Paul Getty Trust, Los Angeles, 2000

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