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In this field, waterproofing is subjected to the most rigorous demands. It must not only withstand the harshest weather conditions but also deliver impeccable waterproofing performance while simultaneously maintaining essential structural stability. Furthermore, given the significant movements in the construction components, it becomes imperative to employ waterproofing systems renowned for their exceptional crack-bridging capabilities.
1 Concrete repair / Fillets
KÖSTER Betomor Multi A
2 Primer
KÖSTER Polysil TG 500
3 Waterproofing Layers
KÖSTER NB 4000
KÖSTER NB Elastic Grey
4 Reinforcement
KÖSTER Glass Fiber Mesh
5 Tile Adhesive
KÖSTER BD Flexible Tile Adhesive
6 Tiles
The mineral waterproofing of balconies and terraces is carried out with crack-bridging systems such as KÖSTER NB 4000, KÖSTER NB Elastic Grey, or KÖSTER 21. These waterproofing materials can be walked on and covered with tiles, and they also adhere excellently to damp substrates.
The concrete surface must be mechanically cleaned. In addition, the reinforcing steel must be thoroughly cleaned of corrosion by sandblasting. Before the waterproofing is installed, the concrete is repaired with KÖSTER Betomor Multi A or with KÖSTER Z 1 and Z 2 and KÖSTER Repair Mortar R4.
After priming with KÖSTER Polysil TG 500, the installation of fillets on rising components and for leveling the surfaces can be carried out with KÖSTER Repair Mortar.
KÖSTER Flex Fabric is embedded into the fresh first waterproofing layer in the wall-floor transition and in all areas at risk of cracking. The full-surface reinforcement is achieved by embedding KÖSTER Glass Fiber Mesh into the fresh first waterproofing layer.
The final installation of tiles and slabs can be carried out with the flexible adhesive KÖSTER BD Flexible Tile Adhesive.
For balcony waterproofing, the building regulations applicable in the respective countries must be observed.
The specifications in the Technical Data Sheets apply.
1 Concrete Repair
KÖSTER Betomor Multi A
2 Separation layer
3 Waterproofing Layer
KÖSTER TPO Pro 1.5
KÖSTER TPO Pro 1.8
4 Terrace covering on pedestals
An easy method for waterproofing balconies and terraces is using the KÖSTER TPO waterproofing membranes loose-laid.
After the concrete substrate is renovated KÖSTER TPO can be installed with a additional fleece protection layer or directly on an isolation without any primer. For waterproofing the area KÖSTER TPO is loose-laid. With a width of up to 2.1 m, a very fast application is possible. If the waterproofing is applied vertically onto a wall, the waterproofing membrane is mechanically fixed in transition. For every single possible detail in balconies and terraces KÖSTER TPO has the right accessory in the product range.
