GSW Foamboard 5 mm

White foamboard sheets (200 x 300 mm, 5 mm thick) for modelmaking, dioramas and crafts. Dense polystyrene foam core sandwiched between smooth card faces; accepts acrylics and craft paints, can be textured or cut cleanly with a sharp knife. Comes as two sheets; avoid solvent-based sprays and consider a thin PVA coat before painting for best surface finish.

Key details:

• Size: 200 x 300 mm (20 x 30 cm)
• Thickness: 5 mm
• Colour: White
• Quantity: 2 sheets
• Material: dense foam core with cardstock faces
• Use: cut, paint (water‑based), texture; don’t use solvent sprays