Fortress Stabilization Case Study

The Fortress Story

This Wisconsin basement below a garage was experiencing significant deterioration of the substrate and rebar reinforcement steel. Appleton, Wisconsin based Basement Repair Specialists was contracted to make the repairs.

The project was complete in three steps. First, the steel was treated with a rust inhibitor to preserve as much strength as possible, while the unsalvageable steel was removed. Second, the surface spalling was patched and re-covered by drilling holes into the garage floor above and injecting a cement based mixture. The bottom side was covered with plywood held in place with 4×4 posts which held the cement based mixture while it cured. Finally, Fortress ReGrid Carbon Fiber/Kevlar® straps were installed to the bottom side of the slab to provide adequate strength compensating for the steel loss. The straps were anchored into the adjacent walls using the Fortress carbon plate anchor. This allows for effective structural load transference, assuring this slab will not experience a repeat failure.

A small vertical crack in the wall was also stitched using Fortress crack stitches and filled with epoxy.

Installation Photos – Click to Expand