Are solid wood plaques suitable for outdoor use?

Suitable.

Plaques can be divided into three main materials: wood, stone and metal, but most of them are wood, while stone and metal are relatively rare. The inscriptions on the plaque were mainly dignitaries, celebrities and calligraphers at that time. The paint on the plaques is mostly black, but also comes in purple, red, blue, green, brown and other colors. The most common one is the real gold plaque. The so-called real gold plaque is to apply gold foil on the characters. Plaques are a unique commercial language and cultural symbol in China. It is a comprehensive art work that integrates Chinese language, Chinese calligraphy, traditional Chinese architecture, and sculpture, and combines ideological and artistic qualities.