Waterproofing System – 3rd Layer
Low-viscosity waterproofing liquid – hardener. Apply with a brush directly onto the freshly applied second layer of KÖSTER KD-2. It actively and deeply penetrates the 1st and 2nd waterproofing layers.
Next, while the 3rd layer is still fresh, apply an additional layer of KÖSTER KD-1 using a brush.
After it has been absorbed (15–20 minutes), apply one more layer of KÖSTER KD-1. The total thickness of the waterproofing coating should be 2–3 mm.






