KYK Megaİzo K S301 | Polymer Modified Bitumen-Based High Elastic Waterproofing Material

High Elastic, Single-Component Waterproofing Membrane Based on Polymer Modified Bitumen Emulsion

KYK Megaİzo K S301 is a single-component, ready-to-use waterproofing product based on polymer modified bitumen emulsion. After application, it forms a seamless and elastic membrane layer on the surface, preventing water penetration.

Thanks to its solvent-free formulation, it is an environmentally friendly product that provides a safer working environment during application.

Application Areas

Megaİzo K S301 has a wide range of applications for ensuring waterproofing continuity in buildings:

• Foundation and retaining wall concrete
• Retaining walls
• Structural elements below ground level
• Areas exposed to groundwater and seepage water
• Wet areas such as bathrooms, kitchens and balconies (before ceramic or final surface coating)
• Horizontal and vertical surfaces in indoor and outdoor applications

Product Advantages

• Suitable for underground applications
• Provides high elasticity and crack bridging performance
• Does not sag or flow on vertical surfaces
• Creates a seamless and continuous membrane layer
• High adhesion strength
• Solvent-free formulation
• Single-component and ready to use

Application Surfaces

Wall Applications

• Cement-based plaster or concrete surfaces (with MegaFilm İzo A301 primer application)
• Existing bituminous surfaces

Floor Applications

• Cement-based screed or concrete surfaces (with MegaFilm İzo A301 primer application)
• Existing bituminous surfaces

Surface requirements:

Surfaces must be clean, dry and structurally sound before application.

Technical Specifications

Packaging, Shelf Life and Storage

Packaging:

• 25 kg plastic bucket

Shelf Life:

• 12 months in original unopened packaging

Storage Conditions:

• Store between +5°C and +25°C.
• Keep in environments with relative humidity below 60%.
• Protect from direct sunlight.
• Keep the container tightly closed when not in use.

Application Recommendations

• In areas exposed to pressurized water, the application thickness should be increased.
• Do not apply soil backfilling or protective coating for at least 3 days after application.
• After complete drying, the surface should be protected with insulation boards, drainage boards or geotextile membranes.
• Do not use against negative water pressure.
• Application should not be carried out in rainy, windy or freezing conditions.
• Proper slope should be provided to prevent water accumulation on horizontal surfaces.

Frequently Asked Questions (FAQ)

1) Where can KYK Megaİzo K S301 be used?

It is used for waterproofing applications on foundations, retaining walls, basement structures and wet areas before final coating applications.

2) Is the product single-component?

Yes. It is a single-component and ready-to-use waterproofing material.

3) What thickness should be applied?

• Minimum 3 mm thickness is recommended against soil moisture.
• Minimum 4 mm thickness is recommended for areas exposed to pressurized water.

4) Is reinforcement mesh required?

For areas exposed to pressurized water, reinforcement with Megaİzo File S902 is recommended.

5) Is it resistant to negative water pressure?

No. It should only be used against positive water pressure.

6) What are the waiting times?

• Approximately 12 hours between coats
• Minimum 3 days before soil backfilling
• Approximately 7 days for full curing

7) Does it contain solvents?

No. It is a solvent-free and environmentally friendly product.