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Coating the ground-based and require treatment

Ground surface:
1, require cement-based solid surface, solid, can not afford to shell, and put an end to mortar shell from the phenomenon, the best layer of concrete and mortar leveling layer cast together; if the first layer of concrete mixes, called the mortar layer thickness of not less than 4cm, forklift Road Asked some of the more thick.
2, the request can not sand the surface hardness, not the phenomenon of cement powder. Asked A, high-quality cement. B, was a new layer of cement mortar to the full maintenance.
3, cement-based flat surface without uneven, Ma cellular surface, cement lumps.
4, requested formation of ground not more than coating thickness requirements (3 meters with a ruler-on);
5, dry surface, the water content of less than
6, no dry ground to maintain oil pollution, bear in mind the concrete floor of the maintenance period after the entry of construction first 5 days, the water can not wash or mop to drag. 6, the surface of the floor in the PH value of 6.0 to 8.0;
7, no oil pollution on the ground, others paint, latex paint, such as bubble gum residue; 8, the slope should be consistent with the design requirements to allow for the slope deviation of 2% and not more than 30mm.

Construction of the base surface: Check with the preparation
    Both old and new, base construction are on the floor. Detailed examination and analysis to determine how to deal with the construction of the base surface is extremely important.
    Construction and surface-coating between the adhesive must be lasting, which requires construction on the floor before the system must ensure that the surface-dry, clean and strong, there is no residue and other pollutants.

Compressive strength measurement:
    Industrial strength of the floor should not be less than 25N/mm2 (3500psi), to meet some of the load-bearing requirements, may need a higher intensity, recommended to do a number of points Miriam rebound in the survey, or the best core sample Blocks To carry out its compressive strength measured.

Bonding strength determine:
    Concrete-face in its surface is usually within a few millimeters thick slurry is formed by low-intensity level. Reaction to contract, changes in temperature or repeated loading, and the resulting stress can lead to lower bond strength. Bond strength should not be less than the minimum 1.5N/mm2 (210psi).

Wet-noodle:
    Measurement of surface-wet, because the cement-based surface only in their degree of humidity is not more than 6% when the extent of the coating to be constructed, so the degree of humidity measurement is of particular importance. Up to determine the degree of humidity is the best way to "rubber pad test." (At least 1m × 1m polyethylene film with sticky tape on the surface of the concrete) to get at least 24 hours before opening. This will determine the number of condensate.

Environment and climate:
    Ignore the climate on the floor of the factors that can lead to serious defects, such as adhesive strength enough, watermarks, hollow, irregular surface hardening and inadequate. Therefore, the following data in the construction must be measured several times a day:
    Ambient temperature (temperature)
    Construction of the surface-temperature
    Dew Point

To prepare and clean up:
    By grease, oil or organic / inorganic acid / or concrete surface caused by the pollution, if not completely removed, will have an impact on the floor after the completion of any of the performance bond. It is necessary to use mechanical methods to clear the surface until the solid layer, and through the determination of bond strength to be checked.

Ground handling:
    Surface coating technology is the key to dealing with the face-painting, which has a bearing on whether the coating layer firmly attached to the ground, light coating layer is formed, the company attaches great importance to the base of the handle.

1, in order to achieve the perfect coating results, I recommended that: I have not leveling the ground site of the cement companies to participate in the leveling of the leveling layer to deal with. Construction to find peace in the initial setting of cement when it's my professional machinery on the ground floor removed for processing. On this basis, made by the epoxy coating layer on the surface of the effect will be more smooth, bright, will also increase the service life.
2, to be dried layer of cement (approximately 28 days), grinding machine on the ground to deal with an overall polished to the surface of formation, cement all the pores open.
3, the cement on the ground there is oil pollution (oil, oil), the first agent to deal with the profits of gold spray water on the red surface of the wet, scrub repeated until no oil so far.
4, the floor too alkaline (PH> 8), the first payment of profits in dealing with agents and then rinse with clear water;
5, the wet ground, through the water. Dry, light as the sun, drying winds Re Fengji, burning to reach dry construction requirements.
6, the old paint on the ground (such as carborundum on the ground, the old paint on the ground), the first gold profits for the Eradication of the old paint machine, and then to the bad cement, Emery on the ground at the same time deal with Mao to fight on the ground. After the ground to deal with this, not solid cement and carborundum of the old surface was removed and the formation of coarse face, so as to enhance the adhesion of the new coating, the coating to increase the service life of the square.