Paint cracking mainly stems from poor surface readiness. Over-thinning paint or applying it too thinly can also cause cracks. Applying paint too heavily can lead to “mud cracking,” where thick paint dries with a swollen, crumbly look.Insufficient drying time between coats can also contribute to these issues. However, age alone can cause cracking. Over time, paint becomes brittle and less able to handle temperature and moisture changes.Address these problems promptly to restore the surface and identify any underlying issues. Read on to understand common paint problems, how to fix them, and how to prevent them in the future.
What are the Common Causes of Cracking Paint?
Paint cracking happens when a dry paint layer splits. Flaking occurs when paint peels away from the wall. Painting experts say several factors cause these issues. To avoid paint problems when painting yourself, use high-quality paint on a well-prepped, dry surface. If you’re unsure, hire a trusted painting professional.
Use of Low-Quality Paint
Quality matters significantly in painting. Superior paint ensures optimal performance, both instantly and in the long run. This applies to interior and exterior projects. Consider adhesion,durability,and coverage. Inferior paint compromises adhesion, frequently causing cracks in the paint layer.
when it comes to painting, the saying “you get what you pay for” is definitely accurate. Cheaper paints frequently enough lack durability. They might peel, crack, or chip faster compared to premium options. Always research before selecting a paint. Product research, asking for recommendations, and reading reviews are beneficial. This helps you make smart choices and anticipate potential problems.
Exposure to environmental Factors
Paint applied to damp surfaces or exposed to high humidity often peels. Plywood is especially vulnerable,expanding and contracting with humidity,leading to cracks in the surface coating. Bubbling is a key cause of paint cracking and flaking, often resulting in complete shattering. excessive moisture, heat, or both trigger this bubbling. Ensure the wall is fully dry and cool before painting. Moist or heated walls prevent proper paint adhesion. Avoid painting in humid environments if possible. If unavoidable, choose a less humid time of year or use a dehumidifier.
Improper Preparation and submission
Paint failure often stems from this, notably with wood featuring prominent, flat grain. Furthermore, even a thin paint coat can crack and flake if applied to a dirty or improperly primed surface.
What to Do when the Paint Cracks?
If the paint is only flaking on the surface, use a scraper or wire brush to remove it. Next, sand the area, fill any imperfections, and apply a fresh coat of paint. Though, if the cracking extends to the base layer, complete removal is necessary. Scrape off all the old paint, or use a heat gun for thorough removal. Then, sand, prime, and repaint the surface. Considering the complexities and potential issues, engaging a professional for preparation and painting is often the most effective solution in 2025.