Project features：

1. Permeable concrete, using stones and cement on site and adding permeable concrete adhesive, can be used after fully mixing, making construction simple and fast;; 

2. A thicker permeable layer can have better drainage performance, good integrity, and long service life.

Construction process：

Construction process：

a. During the construction of the concrete foundation ground, it is necessary to clean the surface to ensure that the strength is above C20, cut the expansion joint, and wet the base surface before paving the permeable concrete;

b.and wet the base surface before paving the permeable concrete;

Paving：

a. Conduct setting out and formwork erection on site according to the design

B. Fully mix raw materials such as stones, cement, SPR-67101D permeable concrete adhesive type I/SPR-67102D permeable concrete adhesive type II, and water on site;

C. Pave, scrape, trim, and compact permeable concrete materials;

d.After 48 hours of curing, cut the expansion joint;

Finish：Spray SPR-62204P PU color finish paint (dipropylene polyurethane)/SPR-68105P water-based permeable finish paint/SPR-62109P water-based polyurethane special finish material as required.