The highly corrosive atmosphere in urban and industrial agglomerations and near coasts results in the corrosion of anchors used on buildings with two-shell masonry. The fischer remedial wall ties constitute a fast, cost-effective solution for subsequently and permanently connecting the outer shell with the facing masonry. The fischer remedial wall ties VBS-M and VBS 8 enable subsequent invisible needling as per DIN 1053 or DIN EN 845/846 and DIN 18515 for economy facings.