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Paint cracking on wall – Causes, Prevention and Solutions

Updated: Jul 25, 2023

Paint cracking on walls can occur for a variety of reasons, including poor surface preparation, incorrect paint application, or environmental factors. Here are some causes, prevention, and solutions for paint cracking:


1. Poor surface preparation: If the surface is not clean, dry, and smooth before painting, it can cause the paint to crack.

2. Incorrect paint application: Using too thick or too thin paint, applying too many coats, or not allowing enough time for each coat to dry can cause cracking.

3. Environmental factors: Exposure to extreme temperatures or humidity can cause the paint to expand and contract, leading to cracking.

4. Age and wear: Over time, the paint on the wall can become brittle and start to crack.


1. Proper surface preparation: Make sure the wall is clean, dry, and free of any loose or flaky paint before applying a new coat.

2. Use quality paint: Invest in good quality paint that is appropriate for the surface and conditions in your room.

3. Apply paint correctly: Follow the manufacturer's instructions and apply the paint in thin, even coats. Allow each coat to dry completely before applying the next one.

4. Control the environment: Maintain a stable temperature and humidity level in the room to prevent the paint from expanding and contracting.


1. Remove the old paint: If the cracking is severe, the old paint may need to be removed before applying a new coat.

2. Sand the surface: Use sandpaper to smooth out any rough areas or bumps on the wall before applying a new coat of paint.

3. Apply a primer: Applying a primer before painting can help the new coat of paint adhere better to the surface and prevent cracking.

4. Use a flexible paint: Consider using a paint with flexible properties to help it withstand environmental factors and prevent cracking.

In summary, to prevent paint cracking on walls, it's essential to properly prepare the surface, use quality paint, apply paint correctly, and control the environment. If paint cracking does occur, solutions include removing old paint, sanding the surface, using a primer, and using a flexible paint.

When you're searching for painting and decorating services, look no further than our experienced company based in Worthing, West Sussex. At High-End Painting & Decorating our experienced, friendly team of skilled painters and decorators are committed to deliver professional, reliable and high quality interior & exterior painting and decorating services, no matter the scale.


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