James Gurney
James Gurney has built foam-core maquettes and finished them with primer, acrylic, and spray paint for use in his painting process.
Painting Surface
Foam Board
Foam board, also called foam core, is a lightweight panel commonly made with a foam core between paper facings. The facing and exposed foam edges can respond differently to paint, so the exact board and coating both matter.
Foam board paint compatibility
Acrylic paint is a straightforward choice for many paper-faced foam boards, while spray paint should be used only when the exact formula is compatible with both the facing and exposed foam core.
| Paint | Compatibility | Preparation | Primer or ground | Finish | Guide |
|---|---|---|---|---|---|
| Acrylic paint | Good for many paper-faced boards | Use a clean, dry, flat board and apply controlled coats so the paper facing is not heavily saturated or warped. | Optional acrylic ground or gesso can provide a more uniform painting surface on a compatible paper facing. | Usually optional for display or craft use; protect only when the finished piece requires it. | — |
| Spray paint | Formula-specific | Identify or test the board first and avoid exposing a solvent-sensitive foam core to an incompatible aerosol coating. | Use a foam-compatible barrier primer when the coating system requires one, especially where the foam core is exposed. | Apply light coats and follow the stated drying and curing schedule. | — |
Sources: 3A Composites FOME-COR, 3A Composites FOME-COR JetMount, and Montana Polystyrene Primer.
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