KYK Megaİzo PU 15 S403

UV Resistant Ultra Elastic Waterproofing Material

Waterproofing is one of the most critical application stages for ensuring that structures remain durable, safe, and trouble-free throughout their service life. Especially in areas such as terraces, balconies, and exterior façades that are directly exposed to sunlight, rain, and temperature changes, systems with high UV resistance and superior elasticity should be preferred.

KYK Megaİzo PU 15 S403 is a high-performance waterproofing solution with a polyurethane-based, single-component, ready-to-use formulation. It can be applied on both interior and exterior surfaces, including horizontal and vertical areas, and can also be used as a final topcoat. Thanks to its environmentally friendly structure and easy application, it is a reliable choice for professional projects.

Outstanding Technical Features

Thanks to its UV resistance, KYK Megaİzo PU 15 S403 can be used as a final coating in outdoor applications without being affected by sunlight, while maintaining its elasticity for a long period.

Application Areas

KYK Megaİzo PU 15 S403 can be safely used in:

✔ Open terraces and roof surfaces
✔ Balconies
✔ Exterior façade applications
✔ Pool surrounding areas
✔ Wet areas such as bathrooms and kitchens
✔ Parking deck details
✔ Sloped roof systems

Thanks to its final coat application capability, it provides an aesthetic and smooth surface finish.

Advantages Provided

• Creates a seamless and continuous waterproofing layer
• Provides high adhesion strength
• Offers complete protection against water leakage
• Reduces maintenance requirements with long-lasting performance
• Can be used as a final coat without additional covering
• Provides excellent compatibility with existing surfaces after proper preparation
• Features a solvent-free and environmentally friendly formulation

Application Details

• The product is ready to use and does not require mixing.
• Coats should be applied in perpendicular directions.
• Recommended total dry film thickness: 2 mm
• Maximum application thickness per coat: 0.7 mm

Waiting time between coats:

• Minimum: 12 hours
• Maximum: 36 hours

Additional application notes:

• It should not be applied against negative water pressure.
• The surface must be dry, clean, and sound before application.

Technical Performance Summary

Thanks to its high fire classification, it provides a significant advantage, especially in exterior façade applications.

Packaging and Consumption

Packaging:

• 25 kg metal can

Consumption:

• 2.5 – 3.0 kg/m² for 2 mm thickness

Consumption values may vary depending on surface conditions, application method, and environmental factors.

Frequently Asked Questions

Can it be used as a final coat on open terraces?

Yes. Thanks to its UV resistance, it can be applied without requiring an additional protective coating.

Is it suitable for pedestrian traffic?

It is suitable for light pedestrian traffic. For heavy traffic areas, a protective coating is recommended.

Can it be applied under ceramic tiles?

Yes. It can be applied after proper primer selection and surface preparation.

Is it resistant to negative water pressure?

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

When can the surface be used after application?

For full performance, it is recommended to allow a minimum curing period of 7 days before use.

Conclusion

KYK Megaİzo PU 15 S403 is a reliable and long-lasting waterproofing solution for outdoor applications thanks to its UV resistance and ultra-elastic structure.

It provides high performance against sunlight, temperature fluctuations, and surface movements while maintaining its durability over time.

For professionals seeking quality, flexibility, and superior resistance in waterproofing applications, KYK Megaİzo PU 15 S403 offers an effective and dependable solution.