kattokäyttöön
Kattokäyttöön is a Finnish term used in product labeling and installation guidelines to indicate that an item is intended for ceiling installation or use. The word is a compound formed from katto (ceiling) and käyttöön (illative form of käyttö, “for use”), effectively meaning “for ceiling use.”
In practice, kattokäyttöön is common in contexts such as lighting, where ceiling-mounted fixtures are prevalent, as
Linguistically, kattokäyttöön functions as a directional expression that accompanies nouns or adjectives to specify use. It
Related terms include seinäkäyttöön (for wall use) and lattiakäyttöön (for floor use). The concept is part of