Repair of lightweight embankment wall material

Cement board installed on the wall.
Because of the possibility of future slippage due to defects (misalignment/cracks) caused by age-related deterioration,
Repaired with new wall material and urethane. The back of the new wall material was also refilled with urethane to return it to its original, gap-free condition.

In-situ foamed urethane lightweight embankment method (R-PUR method) is
This is a civil engineering method in which foam is formed on site into a shape that matches the topography and structure, depending on the required volume.
It expands approximately 30 times per minute, making it easy to work with, economical, and speedy to install.

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R-PUR method
https://www.inoac-juukan.co.jp/product/product000900.html