Preservation Services for Museums, Individuals, Private Collectors, and Municipalities

Portfolio

Wall, 1930s, sandstone before treatment
Wall, 1930s, sandstone after treatment
Sandstone Wall, 1930s

The stone was stained from a bronze lamp above this section. The distracting copper staining was removed without harming the sandstone substrate. Wax applied to the bronze lamp will reduce the risk of future copper staining.