had to shorten the cycle, which resulted in the floor to the owner after the release of the phenomenon of stress, resulting in deformation of the floor. Check the ground unevenness in the pavement before the floor, must have the concept of engineering, check the ground flatness,
in accordance with the national standard ground uneven range should be controlled below 5mm, but now the highest unevenness even reached 100mm, so The ground will seriously affect the quality of the floor pavement, in order to find the workers had to be padded under the 4-layer keel,
so the floor is flat, but the time is long, the keel is very easy to produce large area of friction caused by stepping on the floor The sound. Experts advise consumers, in the floor when the floor must check the smoothness of the ground, especially in the pre-decoration and cement process.
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