Harkkoseinä

Harkkoseinä, translated to English as a concrete block wall or cinder block wall, is a common construction method. It involves the use of pre-cast concrete blocks, also known as hollow concrete blocks or hollow concrete masonry units, to build walls. These blocks are typically rectangular and hollow, with openings running through them. The hollow nature of the blocks makes them lighter and easier to handle than solid blocks, while still providing structural integrity.

The construction process involves stacking these blocks on top of each other, usually with a layer of mortar between them to bind them together. The mortar fills the gaps between the blocks, creating a strong and cohesive wall. The hollow cores of the blocks can be left empty, filled with insulation material, or reinforced with steel bars and filled with concrete for added strength, particularly in load-bearing applications or in areas prone to seismic activity.

Harkkoseinä construction is favored for its durability, fire resistance, and relatively low cost. It is widely used in the construction of residential buildings, commercial structures, industrial facilities, and for retaining walls. The exterior of a harkkoseinä can be finished in various ways, including plastering, painting, or cladding, to achieve different aesthetic effects and provide protection from the elements. Its thermal properties can also be enhanced through insulation within the hollow cores or on the exterior.