Tobias Reed
Tobias Reed Production Knowledge Lead at 4OVER4.COM
Question

What is foam core and how thick is it?

Answer

Foam core is a lightweight display board: a polystyrene foam center sandwiched between two smooth paper facings.

ThicknessBest for
3/16 inchStandard signs, presentation boards, and mounted prints
1/2 inchLarger displays that need extra rigidity
  • Light enough to hang or prop on an easel, stiff enough to stay flat
  • Smooth facings take crisp, full-color printing
  • Best kept indoors, since it can warp in heat and humidity

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