KÖSTER MS-Flexfolie

KÖSTER MS-Flexfolie is a single-component, MS polymer-based waterproofing membrane with outstanding elasticity. Once applied to the surface, it cures to form a seamless, monolithic, and completely waterproof coating. Its solvent-free formulation, excellent adhesion to a wide variety of substrates, and resistance across a broad temperature range make it a high-performance solution for professional waterproofing applications.

WHAT IS KÖSTER MS-FLEXFOLIE?

KÖSTER MS-Flexfolie is a single-component liquid waterproofing material based on advanced MS polymer dispersion technology. It can be applied to both dry and damp substrates. After curing, it forms a seamless and fully waterproof membrane.

The product offers:

• Very high elasticity
• Solvent-free formulation
• Thick liquid consistency
• Excellent UV resistance
• Reliable performance over a wide temperature range

PRODUCT FEATURES

According to the technical specifications, the key features of KÖSTER MS-Flexfolie include:

• MS polymer-based
• Single-component formulation
• Brush, roller, or trowel application
• Forms a seamless, waterproof membrane after curing
• High UV resistance
• Solvent-free
• Suitable for dry and damp substrates
• Maintains performance between -25°C and +80°C
• 500% elongation (elasticity)
• Excellent adhesion to a wide range of substrates
• Certified according to EAD 030350-00-0402 (formerly ETAG 005)
• CE certified in accordance with EN 1504-2

APPLICATION AREAS

According to the technical documentation, KÖSTER MS-Flexfolie is suitable for:

• Dry substrates
• Damp substrates
• Exterior applications exposed to weather conditions
• Waterproofing details requiring high flexibility
• UV-exposed surfaces
• Mineral and non-mineral substrates

Its exceptional flexibility and strong adhesion make it an effective solution for a wide variety of waterproofing applications.

COVERAGE

1.5 – 2.5 kg/m²

PACKAGING

• 6 kg metal container
• 25 kg metal container

FREQUENTLY ASKED QUESTIONS (FAQ)

1. On which surfaces can KÖSTER MS-Flexfolie be applied?
It provides excellent adhesion to a wide variety of both dry and damp substrates.

2. Does the product contain solvents?
No. KÖSTER MS-Flexfolie is completely solvent-free.

3. What is its temperature resistance range?
It maintains its performance between -25°C and +80°C.

4. How elastic is the product?
It offers up to 500% elongation, allowing it to accommodate structural movement.

5. Is it CE certified?
Yes. It is CE certified in accordance with EN 1504-2.