hollowing causes and preventive measures

Tile hollowing is largely caused by improper construction, when the paving tiles, mortar cement mortar thin adhesive layer, Stones cement paste has dried, the back plate is not Ex pollutants are likely other reasons cause tile hollowing. Therefore, prevention of hollowing occur in the construction needs to be done, the adhesive layer of mortar to dry to landing spread prevail. Stones cement paste of water-cement ratio of 1:2 (volume ratio) is strictly prohibited flour with cement paving. Conservation period should frame plate, prohibit the walking surface.
 tile scissor pallet truck rate standard
Brick hollowing phenomenon controlled within 3%, mainly on the channel can not appear hollowing; while hollowing wall tiles need to be controlled within 5%.
tile hollowing process
If the single tiles hollowing exceeds the standard, you can ask the brick paving workers pry resurfacing. Method is to remove the hollowing tiles, available sucker suck, straight hanging out, and then according to specifications paving.
And if more than 1/3 of the pavement area there hollowing, you need to take the entire surface of tile all Qiaodiao resurfacing. In general, this damage caused by the construction side, should be borne by the construction side of the broken tile materials and labor costs