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Corner nozzle — studio render with side slot and connection port

Insulation Drying Accessories

Slot nozzle corner nozzle — for bathrooms & silicone joints

The DÖLCO corner nozzle is the specialized slot nozzle for non-destructive screed insulation drying in bathrooms and at wall connections with tiled floors. The classic DÖLCO slot nozzles (e.g., 30-1 or 70-1) have a 30 mm or 70 mm deep slot nozzle extension that reaches down into the insulation layer. The **corner nozzle intentionally lacks this extension** — it has a flat design and only **one side slot**, allowing it to be connected flush to the tile edge. It is placed at the edge of the previously opened silicone joint — the side slot specifically targets the edge zone of the insulation layer under the tiles. The advantage for restoration: Tiles do not need to be removed or lifted. It is sufficient to cut out the silicone joint with a utility knife. After drying is complete, the joint is simply re-grouted — the flooring remains unchanged. This saves time, effort, and avoids damage to valuable tile coverings. **Sealing with DÖLCO Terostat:** The pressure-tight connection to the tile joint is made with our special Terostat sealing tape (Art. No. 10854). It can be removed without leaving any residue — see suitable consumables below.