How to Fix Bubbling Wall Paint

Wall paint blistering usually appears as a bulge or bubble on the paint surface. This condition can be caused by moisture, water seepage, an unclean surface, or an improper painting process.

If left untreated, the blistered area can expand and eventually peel off. Here is how to fix it:

1. Identify the Source of the Problem
Before repairing the paint, determine the cause of the blistering. Check the wall for seepage, pipe leaks, or excessive moisture.

If water is the cause, the source of the problem must be fixed first. Repainting without addressing the leak can cause the problem to recur.

2. Scrape Off the Blistered Paint
Use a putty knife or a suitable tool to scrape away the paint that has blistered and is no longer adhering firmly.

Scrape until you reach a solid, stable surface. Do not simply puncture the blister and cover it with new paint.

3. Clean the Wall Surface
Once the damaged paint is removed, clean the surface to get rid of dust, paint flakes, and dirt.

If there are cracks or damaged sections on the wall, repair them before repainting.

4. Ensure the Wall is Completely Dry
Do not paint immediately after fixing the wall issue. Ensure the surface is sufficiently dry.

This is especially important if there was previous seepage or a leak. A wall that remains damp can cause problems with the new paint layer.

5. Use a Primer or Sealer
Once the surface is ready, apply a suitable primer or sealer if recommended for the wall's condition.

This layer helps prepare the surface for the topcoat and ensures controlled paint absorption.

6. Choose the Right Paint
Select paint based on the surface type and location. Interior and exterior paints have different characteristics.

For areas with high humidity or frequent exposure to specific environmental conditions, choose a product recommended for those conditions. 7. Apply Paint According to Instructions
Follow the instructions on the packaging regarding dilution, number of coats, application method, and drying time.

Avoid applying the paint too thickly in a single coat. Allow sufficient time for each coat to dry before proceeding to the next one.

Causes of Wall Paint Blistering
Some common causes include:

The wall was still damp when painted.

There is water seepage or a leak.

The surface was not properly cleaned.

The old paint was no longer adhering firmly.

The primer or sealer used was unsuitable.

Painting was done under unfavorable environmental conditions.

The paint layer was applied too thickly.

Conclusion
Simply repainting is not enough to fix blistered wall paint. The source of moisture or the underlying wall issue must be addressed first; then, the damaged paint should be scraped off and the surface prepared before repainting.

By ensuring a clean and dry surface, using suitable products, and employing correct application techniques, the risk of paint blistering again can be minimized.

Need Paint for Your Project?
PT Intisumber Bajasakti supplies a wide range of construction materials, including paint, to support building work and projects.

📞 Phone: 021-66675999
🌐 Website: www.intisumberbajasakti.com
✉️ Email: info@intisumberbajasakti.com

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