KÖSTER Wasserstop

Product Description

KÖSTER Wasserstop is a single-component, cement-based water plugging mortar that sets within approximately 30 seconds. It provides immediate intervention in active water leaks and creates a permanent waterproofing solution. It is especially suitable for urgent repairs in structural elements exposed to water, such as basements, foundations, and elevator pits.

Even under high water pressure, it sets rapidly and seals the point where water enters, making it an ideal professional solution for emergency waterproofing applications.

Technical Specifications

Composition: Single-component, cement-based

Setting Time: Approximately 30 seconds (depending on ambient temperature)

Application Method: Mixed by hand with water and applied manually

Expansion: Provides sealing through volumetric expansion during setting

Pressure Resistance: Resistant to active water pressure

Color: Grey

Advantages

Rapid Setting Performance:
Sets within seconds and provides immediate intervention against active water leaks.

Easy Application:
Can be applied manually without requiring special equipment.

Expansion Property:
Fills gaps and cavities through controlled expansion during setting.

Permanent Solution:
Creates a long-lasting barrier against water penetration.

User-Friendly Application:
Ideal for fast and reliable repairs in emergency situations.

Application Areas

Active water leaks in basements

Elevator pits

Tunnel joints and leakage points

Sudden water penetration through concrete surfaces

Pipe and utility penetrations

Localized water sources requiring emergency waterproofing

Application Instructions

The required amount of mortar is mixed with water until a plastic consistency is achieved.

The mixture is quickly formed into a ball and pressed firmly by hand onto the leaking area.

It sets within approximately 30 seconds and stops water flow.

If necessary, multiple applications can be performed on the same point.

Frequently Asked Questions (FAQ)

1. What is the setting time of KÖSTER Wasserstop?
It sets in approximately 30 seconds.

2. Is special equipment required for application?
No. It can be applied manually without additional equipment.

3. Is it effective against pressurized water?
Yes. It quickly stops active water leaks and provides effective sealing against water pressure.

4. How many times can it be applied?
If required, multiple applications can be performed on the same leakage point.

KÖSTER Wasserstop is a fast, practical, and reliable water plugging solution that provides immediate intervention and long-term protection for critical water leakage problems.