Masonry injection

1 Pump
KÖSTER Acrylic Gel Pump
2 Injection Barrier
KÖSTER Injection Barrier
3 Injection packers
KÖSTER Superpacker 13 mm x 115 mm PH
4 Waterproofing layer
KÖSTER Injection Gel G4
5 Filling the boreholes
KÖSTER KB-Fix 5

Vertical masonry injection (also known as area injection) is a standard method for the subsequent waterproofing of brick building elements in which excavation is not economical or possible. Boreholes are drilled horizontally on the inside of the building component and angularly at wall-floor connections and wall corners. The drilling depths are determined according to the wall thickness and can amount to approx. 2/3 of the wall thickness. The drill holes must be drilled in such a way that at least one vertical joint is crossed. The holes are drilled in a grid horizontally and vertically with every second row offset. Packers are spaced according to the masonry type at hand. The diameter of the drill holes depends on the chosen packers.


KÖSTER Superpackers are inserted into the drill holes. In most cases, it is necessary to install an injection barrier, for example with KÖSTER Injection Barrier, in order to prevent the loss of injection material due to uncontrolled outflow. In cases of exposed masonry where the appearance must be maintained (such as in historical vaults), KÖSTER Repair Mortar NC can be used for touch ups where needed, without significantly altering the appearance of the masonry instead of installing a complete injection barrier.

KÖSTER Injection Gel G4 is injected in multiple phases until a pressure resistance is achieved. Afterwards, the packer holes are filled with KÖSTER KB-Fix 5. For a decorative and functional surface design, KÖSTER Restoration Plasters can be applied over the KÖSTER Injection Barrier.

Always adhere to the specifications in the respective Technical Guidelines.

 

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