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Restoration of worn hot-dip galvanized surfacesApplication：Substation
Red rust easily occurs on worn galvanized surfaces.
To prolong the life of steel used for this substation, restoration is required.
This is the introduction of how to restore worn galvanized surfaces with ROVAL.

Product Used

ROVAL
ROVAL
Preparatory check
1

Measure the film thickness before application.

2In case of red rust Remove all the red rust with power tools like a disc sander.

Surface condition
White rust occurs on the surface, but red rust does not.

Surface preparation
3

Remove white rust and contamination with hand tools

Application
4

Do not spread too thinly.

Film thickness
5

Measure the dry film thickness.

Complete
6

After restoration

Degree of wear and time to restore of galvanized surfaces
Level1
Level2
Level3
Level4

Other cases

Traffic sign gates

Before

Before

After

After

Sound block walls

Before

Before

After

After

Guard rails

Before

Before

After

After

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