Painting standard of bridge cement guardrail

When painting enamel, * * * needs to be painted twice, the first time is to apply primer, and then brush the top coat for the second time after it is completely dry. After the second brush, the surface paint should be even and smooth, without sagging, peeling, blistering and convexity.

Painting is also a good measure to protect bridges. After some bridges are completed, in order to protect them, make them put into use for a longer time, and make them safer and avoid any accidents, they must be painted. Therefore, the builder will spray paint the bridge several times after manufacturing, just to ensure that the bridge is more durable, stronger and safer.

I hope the answer will help you.