Several time matters of grinding a terrazzo

Facing the weathering and abrasion of terrazzo, the most common and convenient method at home and abroad is to clean the dirt on the surface of the stone and apply a layer of wax. This method can play a certain protective role on the new terrazzo surface and delay the speed of natural weathering and abrasion.

After a few years, the surface of the terrazzo has been weathered, and the renovation of the terrazzo can be resumed by simply grinding the ground at the price of 25/1 and 30/1 of the construction cost. The reason why cleaning and waxing is not a real stone floor treatment is that there is no real technical key to terrazzo treatment.

The reason why the terrazzo is as bright and clear is mainly because a layer of glassy film is formed on the surface of the terrazzo after machining. This kind of ground needs to be completely solidified before wet grinding and polishing. Generally, the ambient temperature is 25 degrees and the humidity is 60% in a well-ventilated weather for 4 days. If the temperature is too high, the ground needs to be sprinkled for maintenance.

How long does it need to wait to start grinding after the pouring?
Trachoma is caused by air bubbles. The key is to eliminate air bubbles. First, eliminate air bubbles and improve workability. For example, mortar is useful. In addition, do not reduce the total amount of cement. Second, strengthen mixing. When the strength is reached, it can be ground. Strengthen maintenance base on the temperature situation.

How often should terrazzo be polished?
For cast-in-place terrazzo, if the standard 32.5 grade cement is used, the temperature is between 25 and 35 degrees, and the watering and maintenance should be started within 24 hours after 16 hours of filling (this can be adjusted according to the construction site conditions), and not less than once, it can be ground after 72 to 84 hours after filling the material (it depends on your actual construction site, generally about 70% to 80% of the cement is solidified).

How many days does the terrazzo filler need to solidify before grinding?
Under normal temperature, the requirement is 28 days. The temperature is not less than 7 days.

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How long does it take for the terrazzo floor to pass normally?

Generally, on concrete pavement, some light vehicles can pass after 12 hours, but for the sake of road safety, it can pass after two days. Concrete pavement refers to the pavement with cement concrete slab as the surface layer. It refers to the cement concrete slab as a surface layer, there is a pavement structure consisting of a base layer and a cushion layer, which is also called a rigid pavement. The main reason for the joint damage to the joint problem is that the quality of the filler at the joint is not good enough, which leads to the material under the long-term action of the external environment. Aging, or the filler cannot be recovered normally due to the thermal expansion of the board surface, or there is no filler at the joint at all, and there are too many debris such as sediment, which damages the joint. The joint is broken, the filler is damaged, and the sediment, the intrusion of sundries blocks the expansion of the pavement or the intrusion of rainwater; the pavement is deformed by the backlog of passing vehicles, causing the infiltration of rainwater to form mud and the phenomenon that the expansion joints are not penetrated.

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