Secondly, the acceptance criteria for ceramic tile laying are introduced as follows:
1, pay attention to whether the floor tiles need to be tiled or paved in the same direction.
2. Check the flatness of floor tiles with 2m level, the error shall not exceed 0.5mm, the height difference between adjacent tiles shall not exceed 0.5mm, and the gap flatness shall be 3mm. When laying floor tiles, other types of work shall not be polluted or trampled artificially. Floor tiles shall be cleaned, cleaned and maintained 24 hours after completion.
3, floor tile empty drum phenomenon control within 3%, the empty drum on the main channel must be reworked, 3% refers to a single corner empty drum, the whole block shall not be empty drum.
4. After the floor tile is laid, check for errors, hollowing, color difference, etc. , covered with cardboard or plywood, old carpets, etc. , and between the plate seam with wide paper tape, to prevent debris from entering.
5. In general, the levelness of the floor tile is allowed to have an error of 2mm, the gaps of the floor tile must be consistent, and the diagonal corners of the floor tile should be flat (an error of 0.3mm is allowed). In addition to the diagonal corners of the tiles, the kitchen and bathroom tiles should be flat, horizontal (allowable error 1mm) and vertical (allowable error 2mm). Floor drains should be considered first for the floor tiles in bathrooms and balconies.