Roadseal sealant (for manhole mending)
● Manhole cover repairing construction
The existing manhole repairing method was applied to poor quality manhole repair, putting one more cover over old manhole to prevent the automobile accident or other dangers caused by breakage of manhole.
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By using high molecular asphalt sealant to cover up the surface after manhole repair, endurance will be upgraded, and shock absorption will be maximized to minimize the problems after repairing.