What is the primary purpose of metal stars on a 1910 brick building?

The primary purpose of metal stars on a 1910 brick building is to hold the walls together. These metal stars, often seen on historic buildings, function as tension ties that connect the exterior masonry to the interior structure, thereby stabilizing the walls. During that era, many buildings were constructed using techniques and materials that made them susceptible to cracking and instability over time. The use of metal stars effectively reduces lateral pressure on the walls, preventing them from bowing or leaning, especially in response to environmental factors or the settling of the building.

While aesthetic appeal may be a secondary effect, the functional role in structural stability is the main reason for their installation. Enhancing structural integrity against seismic activity is more relevant to engineering practices in areas prone to earthquakes, and facilitating ventilation does not align with the primary function of these metal stars.