
The SPEP Panel is an STS+PE composite panel made by melting and compressing LDPE onto STS304. The PE side is put in contact with the water. For construction, it is attached to the concrete wall and additionally fixed with a chemical anchor of STS material at intervals of 50-70 cm along with the edge of the panel. Then, the 70-mm-wide PE welding band is welded onto each panel and the joining area, the 12 mm welding band is welded onto both sides of the 70 mm welding band, and it is finished by welding to cover the anchor built above.
After welding is complete, any defects are detected by a spark tester to be corrected, then immersed in the water. Accordingly, the SPEP Panel lining is the only product in Korea and overseas that has the double waterproofing effects of STS+PE and the ability to detect any defects on waterproof construction before being immersed in the water.
In addition, it features semi-permanent durability and hygiene, and requires almost no maintenance expenses due to easy maintenance, and it can be referred as the most inexpensive waterproof material in terms of Life Cycle Cost (LLC) expenses.




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