Clean the concrete surface! rust stains etc. attached during construction, etc ... 2019/09/22

Dirt on the construction ...


It can't be helped in the process, but ...


Attached before delivery,


Cleans rust stains on the newly installed concrete surface.




This time, both ends of the box culvert + the backfill mark of H steel are the main.



Before construction



There is rust stain on the whole. Also, the traces of filling H steel will be processed in the meantime.


Front rust dirt Box Culvert



Before H steel processing



Front rust stain



Front left side rust stain




Dirt on the right side of the back




H Steel processing trace Before construction



Roughly polishing and remove the dark rust stains using " Flat polishing grindstone # 36 " .





Use "Repair Resin # 45" to crush pin holes in areas where the substrate is bad.



After that, spray "C Repair Color " 3 to 4 times on the whole,



pattern with Tone Color and add joint lines to complete.




After construction on the left side of the back


Back side Right side After construction


After construction on the left side of the front


Front right side after construction


After H steel treatment trace construction


It was finished beautifully without any discomfort.


I am glad that everyone was very pleased and did my best in the hot weather.