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

Dirt that got stuck during construction...


It's unavoidable in the process...


Before delivery,


Cleans rust stains on the newly installed concrete surface.




This time, the main focus is on both end faces of the box culvert and the traces of backfilled H-beams.



Before construction



There is rust stains all over.
We will also take this opportunity to clean up the remains of the buried H-beams.


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



Use a flat polishing grindstone#36 to roughly polishing away the thick rust stains.





For areas with poor finish, use "Repair Resin #45" to remove pin holes.



Then spray "C Repair Color" over the entire surface 3-4 times.



Add a pattern using Tone Color and add joint lines to complete the piece.




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 turned out beautifully and without any discomfort.


Everyone was very pleased and it was good that we worked hard in the heat.