20/07/2026
Proper waterproofing with the right product is essential for long-term durability and structural safety. Especially in underground applications, a flexible system with high resistance against groundwater, hydrostatic pressure, and surface movements should be preferred.
KYK Megaİzo PU 6 S404 is a professional waterproofing solution based on bitumen-modified polyurethane, featuring a two-component structure and ultra-elastic performance. After application, it forms a seamless membrane layer that completely covers the surface and creates a strong barrier against risks caused by underground water.
Thanks to its bitumen-modified polyurethane formulation, KYK Megaİzo PU 6 S404 provides a balanced combination of flexibility and mechanical strength.
KYK Megaİzo PU 6 S404 can be safely used in:
✔ Waterproofing of foundations and curtain walls below ground level ✔ Retaining walls ✔ Structures exposed to groundwater effects ✔ Green roof systems (root resistant) ✔ Wet areas such as bathrooms, kitchens, and balconies ✔ Parking deck applications and similar areas ✔ Horizontal and vertical surface applications
It is suitable for both new construction projects and renovation applications.
The elongation capacity above 1500% provides superior crack-bridging performance against possible surface movements and structural cracks.
Yes. It is commonly used for foundations, curtain walls, and retaining walls.
Yes. Thanks to its plant root resistance, it can be safely used in green roof applications.
Yes. It can be applied together with the appropriate primer and system details.
No. It should only be used against positive water pressure.
No. It is not suitable for direct vehicle traffic without a protective coating. A suitable protective layer must be applied.
KYK Megaİzo PU 6 S404 is a powerful waterproofing solution for professional projects thanks to its ultra-elastic structure, high resistance against pressurized water, and plant root resistance.
Especially in foundation and underground waterproofing applications, it provides reliable long-term performance.
With proper surface preparation and correct application methods, KYK Megaİzo PU 6 S404 delivers maximum protection in waterproofing systems, which is one of the most critical stages of structural safety.