What s going on with rust on the walls of a new house?

Just shovel the powder water on it and brush it again.

It may be rainwater seeping in, and there are many rainy days in the rainy season, and rainwater enters the room through the cracks in the wall, causing dampness around the windows, and mold will appear after a long time. There is also the external wall insulation is not enough, if the insulation layer of the wall is not done well, it is easy to appear that the wall is cold, and the water vapor in the house becomes water droplets, and the wall is easy to be damp and moldy.

There are many scenarios:

1. During the decoration, the wall paint was brushed before the wall was dry, and the moisture was locked inside, and finally blistered and moldy.

2. The ground is damp, and it is not found during the decoration, and the ground is not waterproof, resulting in moisture along the wall to the wall.

3. Water seeps into the wall next door, resulting in mold.

In this case, the moldy wall skin can only be removed, the wall surface is dried, and the wall paint is repainted.

Depending on the moldy wall, the cause of mold will occur.

Wood, wallpaper and wall cloth for wall interior decoration, there is.

Organic materials such as organic coatings often have mildew in use, which is essentially caused by the parasitism and reproduction of fungi. Fungi.

There are many species, but any kind of fungus needs to survive and reproduce.

Moisture, air and temperature conditions are required. In winter, the indoor ventilation condition is poor and the indoor temperature is high, resulting in water vapor condensation caused by the temperature difference between indoor and outdoor areas, resulting in water absorption and dampness of the wall, and damp and mildew of the interior surface. Therefore, exterior wall plastering and wall masonry quality are important factors affecting the heat and humidity of the interior surface of the wall.

How to decorate damp and moldy interior walls? Through our practice, we can brush the impermeable liquid on the wall to form a colorless and transparent waterproof film layer, which can not only prevent the invasion of foreign moisture, but also prevent indoor water vapor from entering the wall, keep the wall dry, and then can.

to decorate the walls too. If the wall has been damp and mildew, you can choose a colorful interior wall paint with good waterproof performance, and the specific construction methods are as follows:

Clean up the moldy part of the wall decoration materials, if the mildew is serious, it should be further cleaned to the bottom layer, and then let the damp wall have a drying process of 1-2 months, then plastering and leveling, and then brush a layer of waterproof slurry on the wall to prevent moisture. Secondly, use gypsum putty to repair and scrape, and after drying, smooth it with sandpaper, repeat twice and clean it. Next, you can apply finishes such as paint and stucco on dry and clean walls.

The reason for being too damp, pay attention to ventilation.

The putty manuscript is not dry and is brushed with latex paint, so it is recommended to ventilate it.

It should be opened to see if there is a problem with the line pouring layer, and then determine the reinforcement plan. You can let the quality supervision station come to the door to verify whether it is a quality problem.

This situation will occur in humid weather, and the reasons for indoor dampness are: the external cause is too much humidity, the internal because the wall paint is mixed with too much pigment or sundries, and the paint barrel, brush, roller and other tools are not clean. In addition, the wall is not cleaned when painting the wall is also one of the reasons, the wall is prone to mildew as soon as it is damp.

This situation needs to be dealt with in time: the first and most important thing is to keep the room well ventilated and reduce the indoor moisture. If the dampness on the wall is not too severe, you can deal with it yourself, you can usually wipe the wall with disinfectant alcohol, which can remove mold and avoid getting worse, and you must pay attention to wearing gloves when using disinfectant alcohol.

If the wall is seriously damp, you need to find a professional to repaint the wall, and it is recommended to try to choose a waterproof interior wall paint in the selection of materials: let the damp wall be thoroughly dried before brushing the wall.

Then the wall should be white and gray, and if it is damp, it will be easy to fluff and look like mold. It's better to be more humid here. It is not the responsibility of the materials and the workers.

When decorating, the wall is not clean, so this situation will occur, can only be pulled like this, or redecorate, it is also impossible, it is best to find the construction unit to call him to redecorate, there is a warranty period

Find the area where the rust is oozing, cut the cross-shaped hole with a wallpaper knife (utility knife), and spray it with self-spraying paint (white) sold at an auto parts store. Try to make the paint surface thinner. Wait until the rust stains are completely covered before repairing and pasting the wallpaper.

Rust can be tried with alcohol, industrial alcohol is not available.

Generally speaking, there are no water stains, but mildew is mainly caused by dampness in the home, and your home will not be leaky, if it is leaky,It will be concentrated in one area, there are two conditions for the growth of mold, dampness and mold in the home, so if the mold is removed, there will be no source of reproduction, of course, it will be better if the dampness is solved at the same time.

The most fundamental reason for the mold on the wall to be cleaned is that the wall is too wet, which in turn produces mold. What to do if the wall is moldy? The old wall must be treated with a wall substrate before renovation, and the chalking should be eradicated if it is serious.

If the original wall is too smooth, brushed with paint, and latex paint must be removed and polished. Remove the skin and floating dust that are not firmly bonded, so as to facilitate the bonding of the new paint and the wall.

The base material is indispensable, and the base base material is indispensable. The function of wall primer is to resist alkali and moisture, seal the substrate, protect the topcoat, and improve the texture and hiding power of the topcoat。Especially for the renovation of old houses, the wall must be primed, and the wall is easy to blister and mold when painted directly, and the color of the wall is easy to change after a long period of sunshine.

Considering environmental protection issues, Nuomitu suggests that everyone must choose water-based coatings, and harmful substances such as formaldehyde and benzene in paint are the number one killers of interior decoration. If you want to renovate an old house, you can choose glutinous rice map plant paint, and glutinous rice map base material replaces the primer, giving the old wall renovation environmental protection from the inside and out.

One bottom and two sides are enough, and the old wall is renovated according to the requirements, and one bottom and two sides are enough. If you are using the spraying process, in order to make the wall more saturated, it does not matter 1-2 times. That is, 3 degrees of greasy grinding, one bottom and two sides.

Glutinous rice uses a base instead of putty powder, and the renovation of old houses also follows the principle of one bottom and two sides. What to do if the wall is moldy? When renovating old walls, if the owner chooses the flat coating process, he can follow this principle to avoid spending more money.

The mildew is because it is too wet, and you should check whether the waterproofing of the bathroom is done.

It's because you've been doing it for a long time and your house is too damp, so it's going to be like this.

It may be that the house is damp, so these conditions will occur, and if it is dry, it will not be.

Maybe it's because it's humid at home. If it is wet, it is more likely to mold.

This is caused by some irrational aspects of home decoration during the long period of residence.

This can happen when the house is damp, and it may be that the ventilation in the house is not good.

It should be too damp, could it be because of a leak somewhere else?

This is the case when the house is damp, and it is better to rebuild it.

I guess it's leaking inside, so it's best to rebuild it.