Causes and solutions for blistering and peeling walls

After a period of use, many houses experience blistering and peeling walls. So what are the causes? How to deal with blistering and peeling walls? Uskolor’s surface expert will help you answer and provide effective solutions, as well as measures to prevent this situation through the following article.

• Causes of blistering and peeling walls

Before learning how to deal with blistering walls, we need to understand the causes of this phenomenon. Understanding the risks of wall deterioration helps homeowners carry out the standard wall painting process from the beginning to ensure the quality of the paint film.

There are many causes of blistering walls, but the 3 main and common causes include:

High wall humidity

Higher than normal humidity in the wall will lead to water vapor from the wall spreading, expanding the paint film. The paint will disintegrate and peel off in pieces. Especially in areas that are frequently exposed to water and high humidity such as bathrooms, toilets, baseboards, kitchens, etc.

High temperature

Another common cause is high temperature. Vietnam’s climate is in the humid tropical monsoon climate zone. High temperature affects the walls of the house for a long time, especially the exterior paint layer, causing the paint film to become dry and brittle, causing blistering.

In addition, in the cooking area, which is often exposed to large amounts of heat, the wall is also prone to peeling and blistering.

Substandard painting techniques

Substandard wall painting can come from two causes. Firstly, the painter does not apply primer and waterproof paint according to the manufacturer’s recommendations. Putty and primer play a role in protecting the surface from moisture. If the ratio is not correct or poor quality putty and primer are chosen, it will cause blistering and many other problems.

Secondly, the construction team does not meet the standard wall painting techniques. In the case that the wall does not ensure clean and humid standard but still paints, it will reduce the adhesion of the paint film to the wall, therefore the paint is prone to blistering and peeling.

• Solutions for dealing with blistering and peeling walls

After understanding the causes of blistering walls, Uskolor Surface Expert suggests some ways to deal with blistering and peeling walls as follows:

• For mild blistering

You need to find the cause of the blistering wall (water seepage, water leakage, etc.) and completely eliminate these problems. After handling the cause and the wall surface is completely dry, proceed to paint over the old wall.

• For severe blistering and peeling walls.

You need to remove all the peeling mortar, widen it by 10 cm, then apply a layer of oil mortar to increase the adhesion between the new plaster and the tiles. When using new mortar for plastering, clean sand must be sifted before plastering. Wait for the wall to dry completely for 4-6 weeks, then apply wall putty, alkali-resistant primer, waterproof paint and finally decorative paint.

In humid locations, you should use specialized paint that can withstand high humidity. 

• Measures to prevent blistering and peeling walls

• Only paint the wall when the rough wall is dry, humidity is below 16%
• Thoroughly treat areas with leaks and water stagnation
• Do not paint the wall when the temperature is too high, or the wall is too humid
• Only apply the next coat when the old paint film is completely dry
• Choose paint lines from reputable brands, with high adhesion and specialization

 

Some high-end specialized scientific exterior paints, with outstanding wall protection ability of Uskolor

X9 Uskolor high-end super-gloss exterior paint

X9 Uskolor high-end super-gloss exterior paint is the result of cooperation between the company’s leading experts in collaboration with a team of professors and doctors from the Vietnam Institute of Chemistry of Natural Compounds to develop together.

Accordingly, the paint surface is equipped with an additional layer of Crizal Rock to increase the hardness of the surface, helping the surface to be both shiny, easy to clean, and scratch-resistant. The original Styrene Acrylic adhesive layer is mixed with Calcium Carbonate, BaSO4, and additives to create a durable shield that prevents water from seeping in from the outside environment. The automatic Colour Lock technology and Crystallized Primer technology work to fix the colour molecules, helping the paint maintain its colour over time.

The superior Heat-Reflective feature from the NC Nitrocellulose synthesis process of the primer and topcoat will release liquid Nitrogen when reflecting UV rays, helping to reduce the wall temperature by up to 5°C.

Uskolor X8 Exterior Gloss Paint

Uskolor X8 Exterior Gloss Paint is a specialized exterior paint line, capable of effectively preventing the paint film from fading over time. Modern Anti-UV technology is applied with the ability to resist photochemical oxidation and ultraviolet rays (UV) 3 times better than conventional paint lines. At the same time, the highly elastic paint film of USKOLOR X8 will form an alkali-resistant membrane, prevent mold and anti-aging of the surface, protecting the perfect beauty of the project.

Uskolor X11 multi-purpose waterproof paint

Uskolor X11 multi-purpose waterproof paint is a specialized waterproof paint product, using a special super-elastic glue formula to create a 3 times elastic membrane. This flexible elasticity helps the paint film adapt to the expansion of the paint surface when the ambient temperature changes, preventing the penetration and impact of water on the wall surface below. USKOLOR X11 can be used for vertical walls, floors, even bathroom floors, and pool walls to completely prevent the formation of bacteria and mold.

 

Above is some information about the causes and how to handle blistering and peeling walls. Hopefully, this article will help homeowners have useful knowledge to prevent and renovate their walls before construction incidents.

If you have any problems with your walls, leave your information to receive detailed advice from Uskolor Surface Expert!