Bressummer, breastsummer, summer beam β a horizontal beam or support beam that is located horizontally above windows, doors, or other open spaces in a building.
The main function of a bressummer is to transfer the weight of vertical elements, such as walls or roofs, to horizontal columns or posts. This stabilizes the building and provides the necessary support for the structure.
Bressummers are used to support large windows or doors that can create significant loads on the building's structure.
In some cases, a bressummer can be used to support canopies or balconies that extend beyond the building.
Where does the term "bressummer" come from?
The word summercomes from sumpter or the French sommier, meaning "pack horse," which signifies "to carry a heavy load or weight." "To support a necessary wall," "any pack animal," and it is similar to a wall plate.
What materials is it made of and where is it used?
It is usually made of wood or steel and is placed perpendicular to the wall. Bressummers are typically used in traditional timber-framed buildings and can be found in both residential and commercial buildings.
Thus, a bressummer helps to ensure the structural integrity of a building, especially in cases where large or heavy structural elements need support.