Westfoam Foamboard Black 5mm Single Sheet A lightweight board, black on both sides with a charcoal grey CFC free polystyrene foam core. Ideal for mounting. It is not as rigid as the Premier range and does not cut as cleanly or easily, however it is an ideal economical alternative for students, hobbyists or craft purposes. This board is not suitable for use with solvents including spray paints and solvent based glues. All prices displayed are for single sheets, to get the Westfoam discount simply add the Westfoam quantity or above to the basket.