When the weather is wet, is it more severe on the upper floor or on the lower floor?

Indoor moisture resurgence mainly occurs on the ground floor of the dwelling. Generally, there are two reasons: one is that the humid air with high temperature (relative humidity above 90%) is easy to produce condensation on the ground when it encounters a low temperature and smooth ground that does not absorb water (generally when the temperature is about 2).

Most of these cases occur during the rainy season, when there is a lot of rain, high temperatures, and high humidity. Once the weather clears up and dries, the resurgence of moisture can be eliminated. The second is that the water in the foundation soil under the ground cushion rises through capillary action, and the vapor water penetrates upward, which makes the ground material wet and exacerbates the deterioration of the humidity situation of the whole room.

This tends to happen all year round and is difficult to deal with. In addition, there are reasons such as poor outdoor drainage and poor ventilation of the room. In most parts of the south, the surface layer is mostly clay and sub-clay.

The water level of the capillary pores can rise up to 2 meters in clay soils and up to 1 meter in sub-clays. When using building materials with poor compactness to make indoor flooring, it will enhance the capillary effect, and the phenomenon of ground moisture return is more serious.

The lower floors are more severe. I feel this very much. At that time, the walls of the house were like sweating profusely. There were droplets of water everywhere. The door was still dripping. Asking other people's houses on the fourth and fifth floors is not so serious.

The bottom floor is the most serious, and when it comes to the rainy season in the south of the Yangtze River, the walls are watered.

The higher the floor, the more humid it is, which is a misunderstanding, and the real thing does not say that the higher the floor, the more humid it is.

Dampness is a natural phenomenon, when the air moisture content is large, it will condense into water droplets, resulting in dampness on the ground and walls, generally speaking, the first and second floors of the house and basement are most affected during the return to Nantian, the lower floor is less than the 4th floor of the house, may be hindered by other buildings next to the Hood, resulting in relatively little sunlight into the house, relatively poor ventilation conditions, and then make the interior relatively humid. In addition to these floors, the upper floors are not affected much.

Damp and moisture-proof methods at home

1. Close the windows in the morning and evening, the outdoor humidity is high in the morning and evening, especially in the south, close the windows in the morning and evening, and try to open the windows for ventilation on sunny days.

2. Observe whether there is moisture on the inner wall in time, and take corresponding measures if there is condensation on the wall. It can be cleaned with a dry cloth, or you can use a dehumidifier to suck out the moisture inside to avoid serious moisture on the wall.

3. Dehumidifier dehumidification, there are many kinds of dehumidifiers sold on the market, the more common ones are moisture-absorbing and perspiration boxes, dehumidification bags, etc., as long as they are hung at home, they can absorb indoor moisture.

4. Bamboo charcoal dehumidification. Bamboo charcoal has a good hygroscopic effect, you can put some bamboo charcoal in the cloth bag and put it in every corner of the house, this tour can have a dehumidifying effect, but after using it for a period of time, remember to replace the bamboo charcoal.

If there is only a little bit of damp cold, a very simple way is to suspend some desiccant with strong adsorption in the basement, the most common is activated carbon activated carbon, and you can also sprinkle some desiccant on the road surface in some corners that are very easy to get wet and cold, and you can sprinkle the camphor ball and activated toner powder there to remove moisture, but be sure to replace the desiccant every once in a while.

If the basement is more damp and cold, the following methods can be adopted: install floor heating in the basement Installing floor heating in the basement is one of the solutions for how to prevent moisture in the basement, the effect of floor heating is to make the basement room temperature rise, so that the house is kept dry and not wet and cold, it must be noted that the temperature is too high and the room is too dry.

The basement is a very wet and cold area, so it is necessary to pay attention to many aspects when decorating, and use glazed bricks as much as possible. Wallpaper and other moisture-proof home decoration materials with good practical effect, and at the same time the ceiling of the basement. Wooden floors. Walls need to be moisture-proof.

Improving natural ventilationImproving indoor ventilation is particularly helpful in preventing moisture and can reasonably reduce the amount of moisture in the room. Ventilation and cooling equipment can be modified in suitable places, such as non-driving exhaust fans, which are also a relatively passive exhaust equipment, so the actual effect of exhaust is very limited. It is also possible to install strong exhaust equipment, such as industrial exhaust fans and axial fans, which may have to exhaust the air ducts.

In addition, exhaust fans can also be installed if there are windows and doors, which can save a certain cost.

When the application of household appliances encounters the rainy season, the outdoor environment humidity is relatively large, so it is not suitable to carry out long-term air circulation, and exhaust fans can be used. **Indoor dehumidification is carried out by air conditioners or dehumidifiers. In addition to the application of various household appliances to carry out dehumidification, the application of desiccant can also place some small objects with moisture-proof and dehumidification effects, such as desiccant.

Activated carbon and other moisture-proof in the room.

It must be noted that dehumidifying objects such as desiccant have a certain period of service life and need to be replaced frequently. Basement pavement moisture-proof, pavement moisture-proof is also a part of the basement moisture-proof problem that cannot be ignored. To put it simply, it is to improve the waterproofing of the floor in the basement floor structure.

Simple basement moisture-proof, only need to cover the ground with waterproof material or immediately spray moisture-proof liquid to achieve the purpose of basement moisture-proof. Save time and reduce costs.

In high-rise residential buildings, the basement is relatively humid, we should sprinkle some desiccant in the corner of the basement, make a waterproof, install air conditioner inside, put some shelves, and put some activated carbon can help dehumidify.

Put a little desiccant, usually ventilate more, press a hair dryer, don't put something more moist, you can spray some moisture-removing detergent.

You can lay heating pipes in the basement, you can send underfloor heating, so that it will not get wet in the future.

1. Caused by high water vapor content in the air.

During the rainy season or when the wind blows southerly, the air humidity is high, and the moisture in the air condenses into water droplets on the walls and floors, resulting in a very humid room.

2. Caused by leakage of water pipes.

If the house is not renovated well, the water pipe joint will leak, or the water pipe will be drilled by an electric drill, etc., which will cause the water pipe to leak. Water pipes are usually buried in the wall and floor, and the pipes have water seepage, which will make the wall and floor very wet over time.

3. Other reasons.

If the waterproofing of the upstairs is not done well, or if there is a leak in the upstairs water pipe, or if the exterior wall is not waterproofed properly, etc., it will cause the interior to be very damp and so on.

Why are high-rise residential buildings prone to resurgence?

1. In fact, high-rise residential buildings are the least likely to have the problem of moisture return, but if the exterior wall is waterproof and moisture-proof, especially in the rainy season, the air humidity itself is relatively large, at this time, opening the window for ventilation will cause moisture to enter the room, and the higher floors will also be affected by moisture.

2. There is also a problem of decoration, such as improper selection of putty scraping on the wall, or when decorating, the putty layer is not dry enough to brush paint, latex paint, and tiles, which will lead to dampness of the wall and the problem of reverse moisture. There is also a high-rise residential exterior wall does not do a good job of waterproof measures, decoration, balcony waterproof is not up to standard, water pipe leakage, regardless of the season, there will be damp phenomenon.

How to avoid the resurgence of filial piety?

1. Avoid resurgence, in the rainy season, be sure to close the doors and windows to avoid moisture entering. When the weather is fine, open the windows to keep the room dry and ventilate to bring the moisture away.

2. If you want to treat the symptoms, it is relatively simple. Redo the interior decoration, choose some mildew-proof and moisture-proof materials, and re-decorate the interior walls and floors, so as to effectively prevent moisture from invading the walls. There is also the ground to choose some moisture-proof tiles, moisture-proof boards, moisture-proof wallpaper, are very popular on the market.

3. If it rains in the corridor of the high-rise, especially the problem of water accumulation, it will cause the indoor to be affected. You can use the property to solve the problem of rain in the corridor, such as waterproofing the wall.

Many people think that only the lower floors will be wet, and the higher floors will not, in fact, this is not the case, the high floors will also have damp places, but it is not that the higher the floor, the more humid, generally the lower the floor, the more humid. Below, let's take a look at the relevant introduction of Quding.com!

First, the high floor is not damp

No, high floors can get damp for the following reasons:

1. Caused by high water vapor content in the air.

During the rainy season or on southerly days, the air humidity is high, and the moisture in the air condenses into water droplets on walls, floors, etc., making the room very humid.

2. Caused by water pipe leakage.

If the house is not well decorated, the water pipe joint is leaking, or the water pipe is broken by an electric drill, etc., it will cause the water pipe to leak. Water pipes are usually buried in walls and floors, and the pipes have water seepage, which will make the walls and floors very wet over time.

3. Other reasons.

If the upstairs waterproofing is not done well, or the upstairs water pipe is leaking, or the exterior wall is not waterproofed well, the leakage will cause the room to be very damp and so on.

2. Why the higher the floor, the more humid it is

In general, the lower the floor, the wetter it is. If a high-rise building of a certain height is in a moist air flow layer under special conditions, it may be humid in this range. But it's not common.

Generally speaking, the houses and basements on the first and second floors were the most affected during the return to Nantian. Houses on lower floors below four floors may be shaded by other nearby buildings, resulting in relatively little sunlight and ventilation entering the house. Poor, which in turn makes the room more humid.

Except for these floors, the impact on the upper floors is actually not much different.

Back to the south of the day often happens.

The season alternates between February and March, usually ending in April. "Back to Nantian" generally lasts 3 to 5 days. Under normal circumstances, if there is cold air replenishment, it will disappear immediately when returning to the south.

If it is warm all the time, it will last for 3-5 days, and if it is a little longer, it can be more than half a month.

3. Which layers will not be damp in the south of the day

Generally speaking, the houses and basements on the first and second floors were the most affected during the return to Nantian. Houses on lower floors below four floors may be shaded by other nearby buildings, resulting in relatively little sunlight and poor ventilation into the house, which in turn makes the rooms more humid. Except for these floors, the impact on the upper floors is actually not much different.

On cloudy days, the air on the upper floors is very humid, and as the wind blows into the room, it condenses into small droplets on the cold floor and walls, causing the floor to be damp.

How to prevent the resurgence of moisture on rainy days with floor tiles:

1. Dehumidify with air conditioner. Most air conditioners now have this feature. Activating the dehumidification function of the air conditioner can effectively solve the problem of dampness in the room during rainy hours, and can also form all-round protection for "moisture-afraid" household appliances such as TVs and computers.

2. If the outside air is too humid, remember to close the door and window; If the room is too humid, to ensure that the room is ventilated, you can use air conditioners and fans to dehumidify.

3. If there is "sweat" on the floor tiles and walls, it is recommended to buy a dehumidifier to dehumidify.

4. In long-term humid areas, you can use charcoal in the room or bamboo charcoal under the indoor floor, which has a good effect on the balance of room humidity and the prevention and control of dust and air purification.

5. Do not keep anything indoors (flowers, birds, fish, insects, all kinds of pets), especially fish and various plants (including cacti). Put some quicklime (mixed with some sand) in a damp dead corner.