Negative barrier

Strong water seepage, mold,
and saltpeter buildup all in one
File Storage Room (Wiesbaden)

Cleaning the mortar joints in preparation
for the negative barrier

Restoration of the horizontal barrier using the injection method. Moisture rising capillary is stopped. (Diagram shows the method of application)

Set drill holes used in the restoration of the
horizontal barrier using the injection method

Applied sealant

Newly plastered

Finished renovated
file storage room