This dual composite waterproofing sheet is designed to achieve technically perfect waterproofing by combining
only the advantages of two types of waterproofing materials through a complementary waterproofing mechanism.
Installation is possible even on wet concrete surfaces, and it can be applied easily depending
on construction conditions and climate.
Compared to traditional waterproofing methods,
the process is simpler, reducing construction time. It allows versatile applications on complex structures and
is particularly effective on corners and reverse waterproofing areas.
The natural inorganic bentonite layer is placed in contact with the concrete, preventing deterioration
of the waterproofing layer due to aging or heat.
The waterproofing function and effectiveness last for the lifespan of the structure.
On-site inspection and calibration are possible during construction, and corrections or adjustments can be easily performed.
When installed according to standard methods and site conditions, the unique waterproofing properties minimize maintenance costs.
Bentonite particles are treated with special polymer coating,
providing stable impermeability against chemical substances such as contaminated water.
In the event of cracks in the waterproofing structure or damage to the bentonite mat itself,
its excellent swelling properties provide
self-sealing and self-healing effects, ensuring stability against other potential issues.
| Test Item | Unit | Quality Standard | Test Condition | |
|---|---|---|---|---|
| Weight per Unit Area | g/m2 | 4,800 or more | KS M 3736 | |
| Hydrostatic Pressure | - | No leakage | ||
| Low-Temperature Resistance Test | - | No abnormality | ||
| Permeability Coefficient | cm/sec | - | ||
| Falling Impact Test | - | No abnormality | ||
| Bentonite Layer | Swelling Ratio | % | 650 or more | |
| HDPE Layer | Tensile Strength | N/cm2 | 2.452 or more | |
| Tear Strength | N/cm | 392.3 or more | ||
| Elongation | % | 450 or more | ||
(Water-Soluble Film + Sodium Bentonite + HDPE)
This product is protected with a water-soluble film to prevent the loss of bentonite granules during transport, installation, and storage.
Water-Soluble Film
Bonded Bentonite Sheet
Bentonite Sheet
Even if the high-density sheet waterproof layer is damaged and water infiltration occurs, the bentonite layer in contact with the concrete provides watertightness.
Through its self-sealing effect, it not only repairs the damaged areas of the waterproof layer but also controls lateral movement of infiltrating water along the concrete.