High humidity, temperature fluctuations, and constant exposure to precipitation remain among the main factors affecting the condition of building facades in St Petersburg. Historic buildings, many of which have been in use for decades and require regular inspection and restoration, are particularly vulnerable.
According to experts in building inspection and restoration of cultural heritage sites, facade deterioration is most often caused by moisture penetration into building materials. During cold weather, water freezes and expands, gradually leading to cracks and damage to finishing elements.
The condition of faсades also depends on the age of the building, the quality of the materials, and the operating conditions. Urban environments, air pollution, and vibration loads caused by heavy traffic also have additional impacts.
Experts note that a comprehensive engineering and technical survey of the building is necessary before carrying out restoration work. This includes a visual inspection of the structure, instrumental diagnostics, and an analysis of the condition of the materials.
Modern technologies allow for highly accurate inspection of objects. In particular, laser scanning and digital modeling methods are used to identify structural deformations and record the current condition of a building without significant structural intervention.
"For St Petersburg, the topic of architectural heritage preservation is particularly important, as the city boasts unique historical buildings and a large number of cultural heritage sites. This increases the need for specialists skilled in modern building survey methods and restoration technologies. Training such personnel is becoming a key objective of specialized construction education," notes Olga Pastukh, PhD in Architecture and Associate Professor at the Department of Architectural and Engineering Constructions at St Petersburg State University of Architecture and Civil Engineering.
Starting from 2026, SPbGASU is launching a program called "Restoration of Buildings and Structures" within the Civil Engineering field of study. The program is designed to train restoration engineers and includes the study of technologies for surveying cultural heritage sites, building structures, and modern restoration methods.
Experts emphasize that timely inspection and maintenance can significantly extend the lifespan of facades and reduce the risk of damage to historic buildings.