What kind of quality problems will appear on the epoxy floor of the parking garage
First of all, epoxy floor paint epoxy compound can be solidified to form a low shrinkage of plastic, and then epoxy floor paint is widely used in the ground;It marks the formal birth of epoxy floor, and has become the floor market of high frequency use products.
Due to the limited service life, epoxy floor paint is gradually being replaced by polyurethane floor paint on the market.In the course of such high frequency of use, it is inevitable that many renovations or repairs will be carried out.So what kind of quality problems will appear in the epoxy floor of the parking garage?
The most common and main one is delamination (i.e. the loss of adhesion of the base or epoxy primer, and the epoxy coating falling off under the action of external forces).Summarize the four control points to prevent the layering of epoxy floor paint in parking garage: personnel, process, plain floor and material.Whether it is the quality control before construction, or the floor decoration, the life of the floor can be really lasting, long.
I. Personnel: master construction technology and control the time of each construction process.
The choice of professional construction personnel will highlight and affect the quality of the finished floor in the construction process.The coating will be applied evenly and only after the primer and each job can the next process be started so that problems such as delamination can be avoided.
II. Process: According to the characteristics of floor materials and the requirements of the owner on the floor performance, a reasonable construction process shall be customized. Project supervision shall monitor the construction of personnel according to the process requirements to avoid the coating construction being too thick.
Three, plain ground: ensure that the foundation has been made of moisture-proof layer, monitor the water content of the plain ground, air humidity and the temperature of the area, the plain ground for appropriate but uneven grinding, and clean.Poor or smooth foundation surface treatment is the fatal injury of epoxy floor spalling.The new ground needs to be maintained for 28 days to keep the interior dry, while the old ground must be cleaned of oil, wax, water and chemicals on the foundation surface.
Four, materials: the film forming characteristics of epoxy floor paint itself (the wrong choice of poor materials to control the cost), construction amount and mix ratio control, etc.
The adhesion property of epoxy floor paint is far inferior to that of polyurethane.After film formation, the surface of the material will become smooth, which will reduce the adhesion between the primer and the coating in the mortar or the top coat.Moreover, it is to avoid insufficient amount of bottom coating.
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