Conventional possibilities of substrates consist of gatorboard, polystyrene, foam-core board, PVC and MDO board. Acrylic is yet another typical substrate utilized by different companies and corporations for indoor and outdoor signage or displays. On top of that, an out of doors indicator can dress up uninteresting parts of the outside https://member.angi.com/member/store/24410392/about?categoryId=100&ref=search