Sungnyemun Gate's base and walls to undergo first preservation work since 2013 restoration

The iconic Sungnyemun Gate, a national treasure of South Korea, is set to undergo its first significant preservation treatment since its meticulous restoration following a devastating fire in 2008. The project, focusing on the stone base and surrounding walls, aims to address newly identified signs of deterioration.

Recent monitoring and on-site inspections revealed that stone materials on the south-facing lower section of the base are experiencing increased delamination and peeling. Further checks also confirmed additional damage, including cracks and black and white contamination on both the base and adjacent wall stones. These findings necessitate immediate conservation efforts.

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This is the first preservation work on the wall stones since 2013. While broadly considered a form of repair, the specific focus on stone conservation distinguishes it as a preservation project.

Officials from the Deoksugung Palace Management Office, which oversees Sungnyemun, stated that this is the first preservation work on the wall stones since 2013. While broadly considered a form of repair, the specific focus on stone conservation distinguishes it as a preservation project. The planned work includes dry and wet cleaning of the stones, resin treatment for cracks and delaminated areas, and re-treatment of damaged existing repairs.

To address material weakening and granular disintegration in the lower sections of the original stones, rock strengthening treatments will be applied. Laser cleaning will be utilized for various forms of contamination, including blackening caused by environmental factors. The surrounding area's air quality, impacted by heavy traffic, contributes to the accumulation of pollutants on the stone surfaces. This comprehensive approach is designed not only to halt further damage but also to ensure the stable preservation and management of Sungnyemun, while simultaneously improving the visitor experience.

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Vehicular traffic in the vicinity of Sungnyemun means that exhaust fumes can accumulate on the stone's exterior surface, causing it to appear black. Cleaning and laser cleaning of contaminated areas are among the key tasks of this project.