Charco Decor Panel May-01-2019 A charcoal sheet is the best wall highlighter material. This helps you to give your home interior a completely new and outstanding look. It can be used widely. More interior places can be decorated with this charcoal sheet. It has more longevity. A charcoal sheet is very much durable than other home decor materials. You get more color choices and options. The charcoal sheet gives your house walls a standard and classy look..