Translation. Region: Russian Federal
Source: Moscow Government – Moscow Government –
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City services specialists have begun repairs to the main dome of the Christ the Savior Cathedral. This was announced by the Deputy Mayor of Moscow for Housing, Utilities, and Public Works. Petr Biryukov.
"We're currently carrying out repair and restoration work at the Cathedral of Christ the Savior, and we've begun renovating the main dome, which is located at a height of over 90 meters. It's not attached to the building—it simply rests on it. This is necessary to prevent deformation due to the metal heating in the summer and contraction in the winter. Over the years, the metal has darkened, become stained, and the seams have become unsealed. Therefore, the decision was made to undertake a comprehensive renovation," noted Pyotr Biryukov.
Specially designed reinforced scaffolding was installed to facilitate high-altitude work. Completely dismantling the main dome, as was done during the renovation of the gate bell tower and four belfries, is impossible, as the frescoed vault of the church lies beneath. To ensure the preservation of the frescoes, specialists are removing small fragments of the coating and replacing them with new ones made of stainless steel with titanium nitride. This material has a service life of at least 50 years.
Under each removed section, the metal sheathing is repaired and waterproofed. New sheets are installed using a special locking system that ensures a complete seal. The total roofing weight will be approximately 15 tons. Roofers work manually in small teams at heights of 80-100 meters. The best specialists from all over Russia were brought in to complete this unique project.
A new dome cap is being manufactured at the same time. It will be installed after the roofing is installed. Additionally, the metal on the zakomaras—the semicircular crowns of the church's outer walls—is planned for replacement.
Previously, the façades of Russia's largest Orthodox church underwent a major overhaul. In 2023, the southern side of the building, along with the northern, eastern, and western sides, observation decks, and bell towers, were renovated in 2024. The total area of the renovated façades exceeded 13,200 square meters.
The domes of four bell towers at the Cathedral of Christ the Savior will be repaired.
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