Americana Multi-Purpose Sealer is designed to adhere to all surfaces and can be used both indoors and outdoors. The superior adhesion, smoothness and durability make it possible to use it on virtually any hard, paintable surface. Dries clear / transparent. The Deco Art Americana Multi-Purpose Sealer is suitable for use with a variety of crafting projects. It is ideal for application to multiple surfaces including wood, metal, glass, terra cotta and glazed ceramics. This essential art supply is adhesive, smooth and durable.