The coating of epoxy floor paint is the most basic step in the construction of epoxy floor paint. The bottom coating is between the base of the floor and the epoxy floor coating, which can enhance the adhesion between the epoxy floor coating and the ground. So, many people will ask how much is the appropriate amount of epoxy floor primer? In fact, the amount of epoxy floor primer is affected by many factors, let's understand.
1. Ground Strength
The most important factor affecting the use of epoxy floor primer is the bond strength of the construction base and then the overall strength. The construction of epoxy floor paint generally requires that the strength of concrete floor is greater than C25, and the amount of primer used in better ground is generally 0.05-0.2 kg/m2. If the ground strength is too low, the ground is loose and easy to sand, the amount of epoxy floor primer used will change according to the actual environment and the situation.
In addition, the quality of the epoxy flooring is poor if the strength of the flooring construction base is low, but the proper amount of epoxy flooring primer is not coated to increase the cohesive strength of the flooring base. If there are forklift trucks and other weights on the floor, the epoxy floor may be collapsed and cracked together with the epoxy floor base.
Therefore, in the construction of epoxy floor, it is necessary to ensure the proper amount of primer coating. If the overall strength of the ground is too low, epoxy mortar coating can be selected according to the load-bearing and strength requirements, or the ground can be reconstructed if conditions permit. The details can be consulted with the floor company, so as to reduce unnecessary cost losses.
2. Degree of Ground Wear
New and old ground, of course, wear and tear degree is different. The damage degree of the old ground is also different according to the use time and various load-bearing use degree. Sometimes there will be large-area pits and cracks on the ground. Therefore, the ground must be repaired before the construction of epoxy primer. It is necessary to repair cracks and pits and to control the smoothness of the ground.
When the strength and certification of a relatively new ground are better, the general dosage should be controlled in the range of 0.05-0.2kg/m2, and the old ground should be well controlled by professional builders according to the actual situation.
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