SGS provided urethan injection to stop water leaks in the walls, floors, and ceilings below grade throughout the museum.
SGS injected epoxy into cracks on the subfloor concrete beams. SGS also performed concrete spall repairs using a form and pump method.
SGS filled hollow cells within CMU walls with masonry cement. SGS then performed curtain grouting using bentonite grout outside of previously filled CMU walls to add an extra layer of waterproofing.
SGS pumped acrylamide grout through interior below grade walls to exterior soils to create a waterproofing grout curtain