In the construction of epoxy floor paint, the most common foundation ground is concrete cement ground, stone ground and old epoxy floor. The treatment of foundation ground has a great impact on the construction effect and service life of epoxy floor paint. The following epoxy floor paint manufacturers will share with you the common ground treatment methods of floor paint construction.
I. Concrete Cement Floor
1. Firstly, epoxy resin and quartz sand are used to repair and leveling the uneven area of concrete cement foundation ground. After dry, the floating part is polished by a grinder, and the prominent part is obvious. After cleaning, the primer construction can be done. (With good smoothness, the foundation floor can be directly polished and cleaned without bumps).
2. For coarser cracks, repairing materials can be used to repair them directly. For finer cracks, electric cutting machine should be used to cut the cracks about 1 cm wide along the cracks, and then epoxy mortar and fiberglass cloth should be used to strengthen the repair.
3. The strength of the foundation floor is above C25. If it can not afford sand or powder, it can be directly polished by a grinder and cleaned to lay epoxy floor coating.
4. There is sand or silting on the surface of the foundation: sand blasting or other mechanical treatment is used to remove the floating layer and loose matter, so that the surface is hard, rough and even. Then, acid wash the floor with oxalic acid, then rinse the cement surface with clean water repeatedly and thoroughly. Check the grinding results carefully and re-grind if necessary.
5. The phenomenon of sand or flour on the surface of foundation is very serious. It is suggested that 3-125 PX cement leveling layer be laid again and epoxy floor coating be made.
II. Stone Floor
Granite, marble and terrazzo all belong to stone floor. In order to improve the adhesion of floor paint, it is necessary to make full grinding before construction to improve the roughness of the ground. Stone floors are generally waxed maintenance, wax is easy to cause the problem of coating adhesion, so it is recommended to use wax removal water and other cleaning. If there are joints, damages, pits and other defects on the surface, putty should be used to leveling before construction.
III. Old Epoxy Floor
The old epoxy floor that has been used only needs to be repaired in damaged areas. If there are wax layer, oil pollution, chemical corrosive medium and old coating, the corresponding treatment method is needed.
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