Like as anything else, as to pavements also it is better if no repair is necessary.
However, it is inevitable to be damaged due to aging and there are many causes which require repairs.
The most frequent causes are aging. However, there are various causes such as that the strength ofearth part under the pavement is weak, that the strength differs place by place due to mined pipes, that compaction by rollers is difficult place like such as peripherals of manhole and etc.

We WatanabeSato are prepared to supply repairing materials for those cases. As for detail, please select and see in the index to the left.

CL-Mix (patching material)	In cases substantial area of repair is necessary, CL-Mix is recommended material. At light traffic roads, CL-Mix can be used as pavement itself.
‚v-taper	In cases repairing by ordinary materials like such as faultings generate around manhole orapproaches to bridges, W-taper is the recommended material.

Please be aware of that in reality the repairs using these materials are for emergency like use. Sooner or later, these repaired places will need rehabilitation in accordance with the cause of damages. (We distinguish repair from rehabilitation in which the causes of repair is to be mended and improved.)