Ruutulohko

Ruutulohko is a Finnish term that translates to "screen block" or "block screen." It refers to a specific type of wall construction used in building, particularly in older Finnish houses. This method involves stacking pre-fabricated concrete blocks, often with a rough, textured surface, to create walls.

The primary characteristic of ruutulohko construction is the visible grid pattern formed by the edges of the individual blocks. This pattern is a distinctive aesthetic feature, giving the walls a somewhat rustic and utilitarian appearance. The blocks are typically laid in a staggered pattern, similar to traditional brickwork, to ensure structural integrity.

Ruutulohko walls were popular in Finland for several decades, often employed in functional buildings like garages, sheds, and basements, as well as in some residential structures. The material is known for its durability and resistance to moisture, making it suitable for environments where these properties are important.

While less common in new construction today, ruutulohko remains a recognizable element of Finnish architectural history. Many older buildings still feature these walls, and they are often preserved or maintained as part of the building's original character. The term itself evokes a specific type of construction and a particular visual style associated with Finnish building practices of the past.