As you can always renew them with emulsion, acrylic or other water-based paints, they can beautify your interiors for many years. How many 20x20 tiles would you need?. The ROYAL collection is the most popular type of decorative ceiling tiles, made out of Extruded Polystyrene (a kind of Styrofoam), ideal if you want to change your decor substantially without straining your budget.
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