Before the construction of epoxy flooring, waterproofing layer must be done well, which is a necessary procedure for epoxy flooring. And in the bottom of the waterproof layer, if the construction environment is still relatively humid area, the best choice is to use waterproof materials. Only in this way can we really achieve the waterproof effect of epoxy floor. With the increase of the number of private cars, the construction of underground garage has become a focus of the community government. The main reason for the above problems is that the waterproof layer of epoxy floor is not well done during construction. Many parking lots are below the second floor of the underground, which is wet and waterproof layer is not well done, which will lead to various problems of epoxy floor. 那么如何做好防水层?
So how to make a good waterproof layer?
First of all, before the construction of waterproof layer, the base should be treated well, and the moisture content of the base should be controlled below 4%. If the ground is clear water or very wet, some measures can be taken to deal with it, such as using sunlight to irradiate the ground and using blower to speed up the drying of the ground.
Secondly, after dealing with the base surface and meeting the drying standard, the construction of waterproof layer began. There are generally two ways:
1. Laying thin film and fine sand
Before laying plastic film, it is necessary to evenly lay a layer of fine sand on the surface of backfill soil, then lay impermeable felt and plastic film, and finally pour concrete layer. It is required that at least 10CM overlap be found at the junction of the two plastic films in order to effectively prevent water infiltration.
2. Coating with waterproof paint
Coating waterproof paint is also a common method in floor construction. Before the construction of epoxy floor paint, a layer of waterproof paint should be coated on the cement base surface at the bottom to form a waterproof isolation layer. Next, a protective layer of cement mortar is laid. Finally, the epoxy floor paint is applied on the protective layer of cement mortar.
Notes: After the construction of waterproof layer, we need to wait 14 days before the next process can be carried out.
Finally, drivers who often enter and leave underground parking lots can see that most of the parking lots are paved with epoxy flooring, but with the increase of load-bearing, epoxy flooring will easily blister, peel and other damage after a period of time, seriously affecting its beauty and use.
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