How do you work with winter hardener flooring?
Near the end of the year, the daily weather in the north has been as low as below zero, the construction of concrete curing agent flooring is also affected by the temperature. Usually, curing agent floor construction using curing agent need to water, the temperature is below 0 degrees, the curing agent activity is not strong, and used to dilute the water will freeze, almost impossible to construction. So in this special case, the construction of curing agent flooring should do? What do I need to pay attention to?
Toward the end of the year, the daily weather in the north has been as low as below zero, and concretecuring agentThe construction of flooring is also affected by temperature. Usually, curing agent floor construction using curing agent need to water, the temperature is below 0 degrees, the curing agent activity is not strong, and used to dilute the water will freeze, almost impossible to construction. So in this special case, curing agent floor construction should do? What do I need to pay attention to?
concretecuring agentAgent floor construction will be affected by the temperature, because the temperature will affect the chemical reaction between the curing agent and concrete, when the temperature is lower than 0 degrees, the activity of the curing agent will be reduced. And the water used for dilution will freeze, when the temperature is higher than 40 degrees will affect the curing time, it is recommended to control the construction temperature in the construction of 5-35 degrees.
When the temperature is too lowcuring agentFloor construction program
1、in 0 degrees above 5 degrees below the temperature of the concrete curing agent floor construction, curing agent to stay in the concrete floor for at least two hours and become sticky. Then rinse and remove with water normally, also can use vacuum cleaner to remove the residual curing agent on the surface.
2、curing agentAfter two hours of application, if the concrete floor has not thickened, use a vacuum cleaner or squeegee to scrape off the excess curing agent residue. However, do not rinse with water, as it will bring out the curing agent that has penetrated into the concrete floor and affect the chemical reaction between the curing agent and the concrete.
3、if the construction project budget cost is sufficient, you can consider adding antifreeze when diluting curing agent. To solve the temperature is too low, the diluted curing agent to do curing treatment when frozen.
Winter Concretecuring agentPrecautions during flooring construction
1, winter foundation construction, pay attention to anti-freezing, to ensure that the temperature of the construction site is above 5 degrees. Indoor construction should be appropriate to use the heater or other heating equipment to improve the indoor temperature. If the temperature is too low, the mortar or concrete is frozen, the volume expansion, so that the ground inside the void ratio becomes larger, the formation of loose particles. The hardness and strength of the foundation is seriously reduced, and the dust and sand phenomenon is easy to appear in the later use.
2, when the construction site temperature is in or higher than 5 degrees, in line with the curing agent floor construction temperature, should use faster reaction speed of the curing agent. For example, powder, winter construction about 3-4 hours to complete the curing reaction, can effectively avoid the construction interval is too long to lead to the temperature difference between the decline in the magnitude of the big, which led to the floor on the frozen, affecting the quality of construction.
3, in winter low temperature curing agent floor construction, it is recommended to use spraying and rolling way to apply curing agent. This can make the curing agent ground distribution more uniform, later chemical reaction more fully.