Fivans: Cement self-leveling construction to find a detailed description

China Paint Online News Information: First,
cement floor requires clean, dry and smooth.
As follows:
1, cement mortar and the ground can not be empty shell;
2, cement mortar surface can not have sand particles, mortar surface to keep clean;
3, cement surface must be flat, requires two meters range of height difference less than 4mm;
4, the ground must be dry, moisture content with special test equipment measurement not more than 17 degrees;
5, the strength of the grass cement shall not be less than 25Mpa.
II, pre-construction preparation:
in fivandi Pingbao self-leveling cement construction, must use a grinder to polish the ground, grinding off the ground impurities, dust and sand particles, the local height of more flat ground. Remove the dust after grinding and vacuum it with a vacuum cleaner. After cleaning the ground, before the self-leveling cement must be treated with surface treatment agent, according to the requirements of the manufacturer to dilute the treatment agent, with non-haired wool roll in the direction of first horizontal and then vertical ground treatment agent evenly applied to the ground. Make sure to apply evenly without gaps. After coating the treatment agent according to different manufacturers of product performance, wait a certain time to carry out the above self-leveling cement construction. Cement surface treatment agent can increase the bonding force between self-leveling cement and the ground, prevent self-leveling cement shelling and cracking, it is recommended that the ground treatment agent be brushed twice., the construction environment
work area allows for a little ventilation, but doors and windows should be closed to avoid air flow during and after construction. Indoor and ground temperatures should be higher than 10 degrees Celsius during and within one week of construction. The relative humidity of concrete on the ground should be less than 85%.4, self-leveling construction:
ready a large enough bucket, in strict accordance with the self-leveling manufacturer's water ash ratio to add water, with an electric mixer to the Fifansdi Pingbao self-leveling thoroughly stirred. Stir twice, usually for about 3 minutes at the first time, pause for 5 minutes in the middle, then stir for about 30 seconds. Stir thoroughly and do not have lumps or dry powder. Stirred self-leveling cement shall be fluid. Stir well and use the self-leveling for as little as half an hour. Pour the self-leveling cement on the ground, use the target with teeth to open the self-leveling target, according to the required thickness target to different sizes of the area. After its natural leveling, roll side-by-side with a toothed roller to release the gas and prevent foaming. Special attention should be paid to the flattening of the self-leveling cement joint. According to the different temperature, humidity and ventilation of the phenomenon, self-leveling cement needs 4-24 hours before it can be thoroughly dried, before the next step of construction can not be carried out.Five, fine grinding treatment
the perfect Fivans brand flat cement self-leveling construction can not be separated from the grinding machine, since the leveling construction is completed, the cement self-leveling surface may also have small pores, particles and floating dust, doorways and corridors may also have high and low differences, these conditions need a grinder to do further fine treatment. After grinding, vacuum the dust with a vacuum cleaner., quality control
1, by measuring the pull strength of hardened materials can determine whether the construction is correct.
2, because the self-leveling material can not withstand the deformation of the grass-roots material, so if the telescopic seam of the grass-roots material is blocked by the self-leveling must be removed.
3, pumping operation, the average width of the construction surface can not be greater than 6 meters;
7, water and chemical resistance performance
hardened material water resistance, completely wet after the strength is reduced, but after drying strength will be fully restored, Fivans self-leveling cement resistance to chemical corrosion is similar to dense concrete. For long-term direct contact with chemical materials, self-leveling ground recommendations to consult the manufacturer's technical department.
8, packaging and storage
packaging: 25 kg/bag; Storage/transport: 6 months under dry, cool, sealed conditions (no more than 7 layers of stacking to prevent lumps); shelf life: 6 months.
, note
1, remember to add water to the dry and hard slurry and then use.
2, self-leveling construction should be carried out after the bottom is dried into a film.
3, before the floor is fully dry and hardened, the site should be closed.