KÖSTER DEUXAN 2K | Two-Component Rubber-Bitumen Waterproofing

13/07/2026

KÖSTER DEUXAN 2K | Two-Component Rubber-Bitumen Waterproofing

KÖSTER DEUXAN 2K

KÖSTER Deuxan 2K is a two-component, fiber-reinforced rubber-bitumen waterproofing compound designed to create a seamless, elastic, and durable waterproofing layer on both horizontal and vertical surfaces. The product is CE certified and complies with DIN 18533:2017-07 and DIN EN 15814-W2A standards.

WHAT IS KÖSTER DEUXAN 2K?

KÖSTER Deuxan 2K is a black, two-component waterproofing material consisting of:

Liquid component (24 kg)

Powder component (8 kg)

The two components are mixed to form a homogeneous compound that creates a flexible and durable waterproofing membrane on the applied surface. Its fiber-reinforced formulation provides outstanding elasticity and forms a seamless waterproofing layer. These properties make it a preferred solution for professional waterproofing applications.

APPLICATION AREAS

According to the technical specifications, KÖSTER Deuxan 2K is suitable for:

Foundation waterproofing systems

Retaining wall waterproofing

Terrace waterproofing

Underground parking garage waterproofing

The product is also resistant to microorganisms and highly resistant to aggressive groundwater, ensuring reliable and long-lasting waterproofing performance even under demanding ground conditions.

PRODUCT FEATURES

Rubber-bitumen based

Fiber reinforced

Black color

Two-component formulation

Forms a flexible waterproofing layer after mixing

Provides seamless membrane coverage

Resistant to microorganisms

Resistant to aggressive groundwater

CE certified

Complies with DIN 18533:2017-07

Complies with DIN EN 15814-W2A

CONSUMPTION

3.0–6.0 kg/m²

(Depending on the substrate condition and the required dry film thickness.)

PACKAGING

32 kg set

24 kg liquid component

8 kg powder component

Frequently Asked Questions (FAQ)

1. Where is KÖSTER Deuxan 2K used?

It is used for foundation waterproofing, retaining walls, terraces, and underground parking structures.

2. Is it a two-component product?

Yes. It is supplied as a 32 kg set consisting of a 24 kg liquid component and an 8 kg powder component.

3. Which standards does it comply with?

It complies with DIN 18533:2017-07 and DIN EN 15814-W2A standards and is CE certified.

4. What is the consumption rate?

The consumption ranges from 3.0 to 6.0 kg/m² depending on the substrate and application requirements.

5. What color is the product?

It is a black waterproofing material.