In principle identical to the sand drain method, this method uses a plastic as the drain material. Being an industrial product, plastic is consistent in quality, lightweight and easy to handle, making it easy for installation.
There is also a biomass drain material that utilizes unsaleable stale rice as its core material. After consolidation is complete the strength declines, making it advantageous for subsequent work.
We also offer a power boost drain method designed for hard ground penetration that uses a special pressured drive device.