Restoration of Grand Army Plaza Arch Includes Interior
Briefly

The Soldiers' and Sailors' Memorial Arch has been restored with a focus on both exterior and interior features. The granite surface underwent meticulous cleaning using micro abrasion technology, while new investigative techniques provided structural insights. The restoration aims to remain undetectable visually after uncovering. Additionally, every exterior joint was repointed using a replicated original mortar mix. Completed details include addressing long-standing water infiltration issues. The arch, dedicated to Union soldiers, was originally constructed between 1889 and 1901 and is now accessible for occasional tours.
The restoration of the granite exterior of the Soldiers' and Sailors' Memorial Arch in Grand Army Plaza has added a subtle polish to this iconic Brooklyn landmark.
A high-tech investigative technique was used during the arch’s restoration, providing detailed scans that informed the decision-making process for new interventions.
The entire surface of the arch was cleaned with a micro abrasion process, ensuring that the restoration remains undetectable while preserving the original aesthetic.
The restoration included replicating the original mortar mix for repointing every joint on the exterior, addressing issues of water infiltration that had occurred over time.
Read at Brownstoner
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