What is Efflorescence and How to Fix it in Exterior Walls

What is efflorescence?

Efflorescence is caused by migration of water-soluble salts from cement surface that is not fully dried before painting.

It looks like

If you want to fix this surface problem, then follow below step:

Step 1: Surface Preparation

• Remove all surface contaminants either by brushing, washing, scrubbing or high pressure water jet.
• Allow the surface to dry completely before painting.

Step 2: Apply Sealer

Sealer provides breathable film which has excellent efflorescence resistance.

Recommended Product: Nippon 8000 Advance Sealer

Step 3: Apply Top Coat

Top coat provides tougher protection against harsh weather.

Recommended Product: Nippon Paint Weatherbond

If you’re facing other surface issues like Peeling or Hairline Cracks then check out Nippon Paint Surface Problem Solutions.

Try this solution at home, recommended to get it done by painting professionals.