Epoxy Injection Resins
WEBAC® 4110
- Classic Line
Layer sealing with acrylate gel, Admiralspalast Berlin
Renovation of the Admiralspalast with WEBAC products
The Admiralspalast is one of Berlin's few remaining entertainment venues dating back to the turn of the 20th century. The building was originally constructed in 1873 as the Admirals-Gartenbad, a public swimming pool built on top of a bubbling saltwater spring. From 1911 onwards, the baths developed into an internationally renowned ice skating arena with spectacular ice shows. The building offered the public a wide range of attractions, including a two-story restaurant, a movie theater, bowling alleys, club rooms, and magnificent Russian-Roman baths. In the 1920s, the ice rink was transformed into a famous revue theater.
During the renovation of the Admiralspalast, serious damage was discovered that required special measures:
Moisture penetration
The building was originally sealed against water pressure with a multi-layer tar pitch cardboard membrane. In various places, there was extensive moisture penetration, in some cases to a considerable degree, caused by leaks or circumferential movement within the sealing structure.
Measures for sealing with WEBAC 240
The renovation included retroactive sealing of the existing layer sealing with WEBAC 240 acrylate gel. Demolition work made it possible to determine the exact installation dimensions of the existing layer waterproofing, which enabled an optimal grid and a suitable drill hole depth for even distribution of the injection gel within the waterproofing. During the injection, special care was taken to remove the existing water from the structure instead of simply displacing it. Particular attention was paid to environmental compatibility in accordance with the DIBt information sheet.
Crack injection for structural bonding with WEBAC 4110
In addition, cracks in various concrete and masonry structures (columns, beams, ceilings) were structurally bonded and closed using WEBAC 4110 epoxy resin. This measure benefited in particular from the excellent penetrating properties of the resin used.
These measures made it possible to sustainably secure the traditional building and ensure the long-term usability of the Admiralspalast for cultural events.
Products Used
- View details
WEBAC 4110 is a CE-certified, low-viscosity epoxy injection resin. This allows the resin to penetrate even the finest cracks and crack branches, enabling a permanent bond in concrete and masonry structures. After application, it cures with constant volume to form a solid material with high tensile strength and inherent strength, as well as excellent edge adhesion. It is used to close, seal, and perform structural bonding of dry cracks in concrete components, as well as for injection of construction joints.
Acrylat Gels
WEBAC® 240
- Classic Line
- Consolidation Line
View detailsWEBAC 240 is a low-viscosity, fast-setting polyacrylate injection gel with National Technical Approval from DIBt (B-concentration 2%). After curing, it forms a waterproof, firm-elastic gel that reliably absorbs dynamic and mechanical stresses. It is particularly suitable for curtain injection—either in the subsoil immediately adjacent to the structural element or within the existing building structure—as well as for subsoil stabilization and waterproofing or damp proof courses (dpc).
