Cold water pipe sweating Solving the problem

How to avoid condensation in ventilation

Frequent airing of the rooms will help to avoid condensation in the ventilation: the inflow of cold air reduces the humidity in the room. A limited number of indoor plants, cooking under closed lids, timely cleaning of ventilation ducts, wiping wet surfaces are a number of actions that will help get rid of excessive moisture. It is important to regularly check the ventilation structure, it is carried out in several stages:

1. The ventilation grille is removed.
2. A burning match is brought to the ventilation window.
3. The movement of the fire is being monitored. Missing traction indicates clogging of the channels.
4. The ventilation ducts are cleaned.
5. The grille is tightly and hermetically attached to its original place.

So, in order to get rid of condensate in the ventilation pipe, it is necessary to identify the cause of its occurrence (there is no thermal insulation, the ventilation ducts are clogged, the sealing is broken, etc.). Usually high humidity is eliminated after thermal insulation of ventilation pipes. To do this, use polystyrene foam, polypropylene foam, polyethylene foam insulation, mineral wool, roll insulation, polyurethane foam shell.

HOW TO GET RID OF CONDENSATE IN VENTILATION? How to remove condensate from plastic pipes of the hood?

What to do to solve the problem

Today, special cases made of foamed PE - energy flex - are in great demand. This material is very elastic, so there will be no problems with mounting on pipes. This is an excellent protection against temperature "inconsistencies".

You can remove condensate from the pipeline in the following ways:

1. Ventilation system. We need to check the ventilation. If you find dirt and dust, you need to carefully rinse everything. After that, buy a special fan, which must be installed instead of the ventilation grill. In specialized stores there are fans from different manufacturers. They can be of different power, cost and design.
2. New tank. In the bathroom, the problem of condensate can be solved by placing a double tank. Inside this model there is an additional plastic container, which is filled with cold water. External walls do not cool quickly, so condensation does not form. Among the shortcomings is the high price of the product, which is usually sold only in conjunction with the toilet.
3. Natural ventilation. If there is no high-quality ventilation system in the toilet or bathroom, you can organize life in the apartment so that everyone who washes leaves the door unlocked when leaving the bathroom.
4. Thermal insulation of the pipeline. It is possible to remove mini-drops on the piping system by thickening the walls. To eliminate the temperature difference between the air and the pipeline, the pipe must be wrapped.

In stores you can buy special heaters. They are resistant to fire, are characterized by high thermal insulation qualities, they are easy to work with, they are airtight and inexpensive.

Condensation on the cold water pipe in the toilet

The bathroom is a place with high humidity. The doors to this room are closed for most of the day, which leads to the accumulation of dampness and condensation on pipes, walls, and ceilings. According to the reviews of many owners of private houses, the problem can be solved very simply. At night, do not tightly close the door to the toilet and ventilate it. Often these steps are enough.

If ventilation of the toilet does not lead to significant improvements, it is worth checking the ventilation efficiency. You can do this with matches. To do this, light and extinguish a few matches near the ventilation grate. If the smoke from them is directed towards the ventilation grill and is removed from the room, then the hood is working well.If it accumulates under the ceiling and is not removed from the sanitary room, the ventilation is inefficient.

In a toilet, condensation forms on the pipes if the toilet cistern leaks. Cold water flows continuously and due to the temperature difference between water and air in the room, condensate continues to form. To fix the problem, you need to repair the tank, which will positively affect the condition of all plumbing.

The pipes in the toilet will be wet even if the neighbors on the floor above have a water leak. Moisture goes down through the pipes and the leak looks like condensate. According to residents of apartment buildings, even a minor leak can be masked, and it can be difficult to identify a broken tap from neighbors. If in doubt, it is better to call a plumber and consult with a specialist.

Masters advise to insulate pipes using modern materials

Condensation on the pipe with cold water in the toilet: what to do?

Experienced craftsmen know many reasons why condensation appears on pipes. Some of them are not so easy to fix. What to do with moisture on plumbing and how to eliminate it? Here are some effective and proven tips:

If condensate appears in a private house, you should make sure that the piping system is done correctly

When are rude things allowed? installation errors plumbing, this often leads to problems in the future.
It is important to make sure that the thermal insulation of the pipes is of sufficient quality. If the water supply of a private house is organized in an open way and at the same time the thermal insulation is poor, condensation is an inevitable phenomenon.

Faulty faucets are the most common reason why pipes are wet. When the faucet is running, cold water is constantly accumulating in the plumbing and condensation is continuously formed. Often small puddles form in the toilet or bathroom. It is important to repair the faucet as soon as possible. This will not only save money from the family budget, but also help get rid of condensate.

Scheme of insulation of a pipe with cold water

Masters advise to insulate pipes using modern materials. This reliably protects against the formation of condensate on the plumbing. For insulation, it is recommended to use expanded polystyrene, glass wool, polyurethane foam. By minimizing the temperature difference between the pipe and the surrounding air, the root of the problem can be eliminated. The main thing is to choose the right thickness of insulation and install it. If the insulating material does not adhere tightly to the pipes, and the tightness is low, condensation problems will arise again.

It is important to mount the insulation as tightly as possible. Then the material should be securely fixed

Video on how to get rid of condensate on cold water pipes

https://youtube.com/watch?v=FJIyxhlr4Oo

Would you like to know how to get rid of condensate on cold water pipes? This problem often worries the owners of high-rise buildings and private houses. Plumbing, abundantly covered with condensate, fails faster. It is much more profitable to identify the possible cause immediately, and eliminate it. This will not only extend the life of the pipes, but also save the sanitary room from dampness.

How to get rid of condensation on pipes in the house

The appearance of condensate on pipes is a frequent phenomenon that can be observed in city apartments and in private houses. The intensity of the appearance of water droplets on plumbing may vary. Plumbers claim that the service life of metal products is significantly reduced, so you should not ignore the disadvantage. According to the reviews of the owners of private houses, the formation of condensate on pipes is observed in such cases:

• the ventilation system in the room does not work well;
• pipes are located in a room with high humidity;
• pipes are not properly insulated.

It is not difficult to check whether condensate accumulates on the pipes in the house.It is enough to run your hand over the plumbing, and the degree of its moisture will become apparent. It is not easy to identify and eliminate the cause of this, and, most likely, you will have to try several methods to eliminate the condensate.

The first step is to check if the exhaust system is working properly. Stagnation of air in the bathroom is the most likely reason why the pipes are wet. If laundry is dried in the bathroom, and at the same time the ventilation channel is clogged, moisture will certainly come out on the pipe. In this case, you need to clean the ventilation system or install a forced ventilation system.

Modern exhaust systems are equipped with a sensor that reacts to the accumulation of dampness in the room. The motor turns on automatically and will turn off by itself as soon as the room becomes dry. You can get by with the cheapest hood. It is enough to install a simple electric motor in the ventilation duct, and turn it on as needed. The device costs about 20-30 dollars, and copes with the task of draining the bathroom perfectly.

The appearance of condensate on pipes is a frequent phenomenon that can be observed in city apartments and in private houses.

Common insulation mistakes

The appearance of condensate in the ventilation pipe requires urgent action, but the process of eliminating the problem must be carried out efficiently and accurately. If, after the insulation of the ventilation duct, the reconstruction, the supply ventilation installation, condensate continues to form, the problem may be caused by several factors:

1. Part of the pipe, which is located in the wall or ceiling, remained uninsulated.
2. The outer part of the duct is not insulated.
3. There is no thermal insulation of the valves of the supply ventilation system.
4. The heat-insulating material has a small thickness.
5. Large gaps remained at the joints of the insulation.

Thermal insulation of the water supply

How to eliminate condensate on pipes through which cold water flows, using a slight thickening of the walls? Water accumulates when there is a difference between the temperature of the pipe and the temperature of the surrounding air. And to eliminate condensate, you can insulate the pipe. Now in stores you can buy modern and high-quality heaters that have such characteristics as fire safety, high thermal insulation, ease of working with the material, tightness, favorable cost.

For example, energy flex is in great demand on the market - these are special cases based on polyethylene foam. It is quite flexible material, which facilitates installation and makes working with it simple and pleasant. A large number of closed pores will precisely protect the pipe from external temperature, which is much higher.

Causes of condensation

Residents of apartment buildings often encounter such a phenomenon as a “sweating pipe” with cold water. The causes of occurrence may be different. The nature of the appearance of water droplets on the pipes in the bathroom and in the toilet is slightly different. In a combined bathroom, the main reasons are:

Often the cause of condensation in the bathroom is poor ventilation.

• insufficient ventilation of the room;
• continuous toilet cistern set;
• malfunction of the mixer (passes the valve that shuts off cold water);
• a large difference in the temperature of water and ambient air in the room;
• high humidity or leakage from neighbors from above.

The bathroom should be well ventilated, air circulation allows you to remove unwanted moisture. With the continuous operation of the filling system of the tank, moisture condenses not only on the riser, but also on the wiring. A faucet dripping all the time causes a similar problem.

Faucet failure can also cause high humidity in the bathroom.

Each of the reasons can independently cause “fogging” of the riser or cold water distribution pipes, but, as a rule, the cause is precisely the combination of several points.

The roof is not well insulated

Quite often, the formation of condensate in the roof is associated with its poor insulation. Usually the problem is caused by the insulating material being too thin and moisture infiltrating the area of ​​the ceilings. However, the layer may have sufficient thickness, but its quality leaves much to be desired. In this case, at sub-zero temperatures outside, warm air will leave the room. At the point of collision of a warm and cold stream, drops of water will settle, which will first fall into the attic, then it can penetrate into the house, damaging the ceilings or walls.

To solve the problem, you need to understand how the heat leaves the room. If the insulation layer is of good quality, but too thin, it needs to be reinforced. It is not necessary to re-insulate the entire structure, it is enough to wait for the winter and observe in which places the material or the metal base of the roof becomes wet.

If it snows in your area, inspect it carefully. In the place where the heat leaves, it will be soft, it will begin to melt. A more complicated way, which does not depend on the time of year, is to use a thermal imager. This is a special device that will help determine the exact location, but the services of a specialist or the purchase of the equipment itself are quite expensive.

Causes of appearance on the pipes in the toilet

Condensation forms on water pipes due to the difference in temperature between the surface of the pipeline and the air in the room. And if there is no ventilation in the room, or it does not work well, then mini-drops are necessarily formed. Pipes also sweat due to high humidity. Water actively settles on risers and pipes that conduct cold water. Each room has its own reasons for the formation of drops. Wet pipes in the bathroom become due to poor ventilation.

Condensation on pipes may appear due to high humidity

To understand that condensation appears on the pipes in the house, you can do the following:

• At night, leave the doors to the toilet unlocked;
• If you find wet pipes in the morning, something needs to be done to fix problems with the ventilation system.

Systematic leakage of water from the tank also provokes condensation. If water is constantly leaking in a small stream into the toilet bowl, then the tank will be replenished with the coldest water.

This problem is easy to solve by checking the health of the toilet and repairing the release valve and the faucet at the tank.

Condensation also forms if the pipe leaks.

We get rid of the problem with the help of special devices

The easiest option is to purchase overlays made of foamed heat-insulating material. They look like soft pipes with a cut along. The insulation is put on the pipe like a cover and glued

It is very important not to make a mistake with the size. If you purchase an overlay of a larger diameter, then there will be no effect, just like with a smaller size (you cannot glue this one)

Insulation lining for cold water pipes

A more expensive, but very effective way is to apply heat-insulating paint. To insulate the cold water riser, it is necessary to apply 4-6 layers of the substance, allowing each layer to dry completely

When working with paint, it is important to ensure forced ventilation of the room. To do this, you can use a conventional fan

Heat insulating paint

For greater effect, you can combine the two previous methods. Make sure that the coating is completely dry before putting on the painted pipe insulation. It is also allowed to apply a layer of paint on top of the heat-insulating nozzle, but only after it is well fixed.

Another means for insulation is a larger plastic pipe, put on the main one. The formed air space is filled with polyurethane foam.

Each of these methods is very effective, but if you did not count on your funds to purchase expensive coatings, you are better off using the old proven method - to create thermal insulation yourself.

What harm does condensation do?

Condensation on the roof seriously harms a variety of heaters, such as mineral wool. From moisture, it not only turns into lumps, but also loses its properties. Wet cotton wool will not last more than two years, although in dry conditions it will not have to be changed after 20 years.

Roof repairs are expensive. Due to moisture, load-bearing structures may suffer, for example, logs and the roof will sag, begin to leak or collapse. That is why it is necessary to deal with condensate immediately after its detection, without postponing the solution of the problem for later.

If there is little moisture, it can cause fungus that eats into the boards, causing them to rot in a few years. If condensation does not go anywhere, it can form large puddles that can flow through the ceiling. Moisture can penetrate the insulation and ruin it. The house will become damp, it can become much colder, especially this problem is inherent in rooms with a metal roof.

Causes of problems

Before starting a difficult struggle with the phenomenon, you need to understand why condensation forms under the roof. The main reasons may be the following factors:

• Ceiling ceilings are poorly insulated, the roof is leaky, has large gaps.
• The insulation was not equipped or it was done incorrectly.
• The space under the roof or attic does not have sufficient ventilation, and there is nowhere for moisture to evaporate.
• Thermal insulation materials have been installed incorrectly or are completely missing.
• Poor-quality materials were used or the technology was seriously violated during the installation of the roof.

Enough of one of the listed reasons for condensation to appear under the roof

Therefore, it is important to calculate the cause and eliminate it, otherwise it will not work to solve the problem.

Roof ventilation device

Causes of condensation

Fogging occurs due to the lack of heating, when steam begins to condense on the surface of the window. There are several reasons why there is condensation on windows:

1. The difference in temperature inside the living space and outside, and the high moisture content of the air inside the room. These causes of condensation on windows are the most noticeable.
2. Moisture release from poor quality finishing materials such as paint or plaster during renovations.
3. Unscrupulous installation of window slopes, when the tightness of the structure is violated. As a result, a noticeable decrease in temperature indicators and fogging of windows. Often this problem appears when self-installation slopes.
4. Installation of wide window sills, which form obstacles for the ingress of warm air from the heating system to the window opening. When the ambient temperature is low, condensation collects on the window.
5. Installation of a double-glazed window with one chamber. Such designs are inferior in terms of thermal insulation properties to two-chamber counterparts.

Causes of condensation in the ventilation system

Moisture that forms on the inner surface of the ventilation pipe is called condensate. Old private houses are not equipped with well-thought-out ventilation that could effectively remove carbon dioxide, unpleasant odors and regulate the level of humidity in the rooms. Often, condensate in the exhaust system forms after replacing wooden windows with plastic ones: the fresh air flow that penetrated through the window cracks stops flowing. The natural regulation of the air mass stops, and moisture begins to accumulate inside the room.

Often, owners of new private houses also face the problem of condensate formation. Condensation in ventilation occurs due to a number of factors:

• no thermal insulation of air ducts;
• thermal insulation of air ducts is made using low-quality material;
• the sealing of the ventilation ducts is broken;
• assembly of the ventilation system was carried out with non-compliance with the rules;
• increased humidity in the room;
• clogged ventilation pipes;
• there are damages and defects in the building structure of the house (damp basement, cold floor, ventilated foundation);
• faulty plumbing;
• climatic features of the region of residence;
• there is a regular source of evaporation (wet clothes are dried, food is cooked).

Condensate on the boiler heat exchanger

Condensate - weak solutions of acids of low concentration, interacting with the metal walls of the boiler.

During these reactions, the walls of the boiler are slowly corroded. Drops of condensate are deposited on the walls of the heat exchanger. Until they dry, soot sticks to them and, under the influence of high temperature, is sintered into a strong heat-shielding crust.

This crust significantly reduces the efficiency of the boiler, because the heated gases cannot transfer heat to the metal heat exchanger. It is extremely difficult to clean the crust from the walls of the combustion chamber, especially if the boiler has a developed and shaped heat exchange system. To avoid such a raid, it is necessary to carry out maintenance work on the boiler once a month to remove tar and tar.

This is done with a metal ruff and spatula. If the crust stuck firmly, then you need to melt the boiler and add a special powder to the furnace, which increases the combustion temperature. Under the influence of high temperatures, the tar burns out and turns into easily removed ash. It is not recommended to carry out such a procedure on your own.

Cleaning a solid fuel boiler with a spatula

This should be done by a specialist. Otherwise, the temperature of the coolant may rise above 100 degrees, which will inevitably lead to failure of the piping if it is made of plastic pipes.
Condensation inside the boiler is formed at the moment of ignition. This process lasts until the walls of the boiler warm up and the water begins to turn into steam, thereby passing the “dew point”.

Condensate falls in the form of water droplets on all surfaces of the boiler, both internal and external. If the walls of the boiler are poorly protected against corrosion, this can lead to rusting of the metal and the appearance of through holes.

Video: Cleaning a solid fuel boiler

https://youtube.com/watch?v=fyAP-cKtdO8

Why does condensation appear

The list of the main reasons for which condensation occurs:

• Very often, the cause lies in the leakage of water in a pipe, or several pipes. It is not necessary that a pipe is leaking in your apartment, a leak can be, for example, from neighbors from above. A common situation is a toilet cistern leak. To understand exactly whether this is the reason, you need at night, when no one uses water, the taps are not turned on, listen to the sounds and understand if you can hear the water flowing through the sewer drain.
• The second problem is mainly faced by the owners of apartments in new houses. The reason is poor-quality work of the hood. The relationship of new buildings with exhaust ventilation is that it does not work if the metal-plastic windows are closed. To check the operation of the hood, you need to close all windows and attach a sheet of paper to the ventilation. If it does not move, then it is clear that the air is not circulating. In such situations, the installed fan does not help either.
• The third common reason is any breakdown of the plumbing fixture and poor performance of the exhaust system. That is, the hood can work, but so weakly that condensate still appears on PVC pipes.

Negative effect of condensate

Condensation in the house causes many inconveniences to many.It will be useful to know what are the causes of this phenomenon and how to get rid of it.

Condensation causes the following problems:

1. Accumulating and uniting, water droplets end up on the floor surface and form large puddles there, which can even leak into neighboring apartments.
2. Finishing the floor from this may suffer so that after a couple of years the coating will have to be changed.
3. Harmless droplets greatly reduce the life of the plumbing system, because it is an aggressive environment for a metal surface. Pipes become rusty, bent and, after a certain period, require major repairs.

The presence of condensate greatly damages the pipes

Also, drops on the pipes in the toilet, bathroom or on the riser can provoke a terrible smell of dampness. Because of this, fungus and mold appear. Bacteria also multiply more rapidly in such conditions and cause disease.

Ways to protect against condensation

Another pipe and sealant will help to remove condensate on the cold water pipeline. If you can’t get a unique insulating material, you can take a plastic pipe with a slightly larger diameter and sealant.

This method will protect against condensation and last quite a long time, will not interfere if repairs are required.

Attention! Instead of a plastic pipe, many use a corrugated metal pipe. Sealant can also be poured inside

Sealant will help get rid of condensate on pipes

There are several other ways to protect against condensation:

1. Rags. Another solution is to use rags (bandages or any cotton fabric) and epoxy putty. Before work on the insulation of the pipeline, it must be well cleaned of rust with sandpaper, and then degreased with a special agent and treated with a corrosion converter. Then you need to apply the first layer of putty, which is immediately “bandaged” with matter. When this coating becomes hard, another layer of epoxy must be applied.
2. Isollat ​​and other similar materials. In the issue of insulation of the cold water pipeline, the universal heat-insulating material Isollat ​​perfectly helps. This is a thermal paint in the form of a water-based emulsion. After drying, the composition hardens and becomes a polymer with excellent thermal insulation properties. It is not difficult to paint the pipeline with Isollat. It is necessary to thoroughly clean the “sandpaper” and degrease the surface of the pipeline. Spread one layer of insulating compound and wait until it dries. Next, you need to take a silicone varnish for the finish coat and give the pipeline a gloss.
3. Moisture absorbers. In modern hypermarkets, you can find excellent household appliances - moisture absorbers. They can handle condensation without any problems. The design of the absorbers is simple: an absorbent substance is placed in a plastic box. It will not only help remove annoying drops on the pipeline, but also get rid of excessive moisture in the house.
4. A split system will also help eliminate water drops on the pipeline network in the house. This is a more expensive option, but some people use it too. Installation of equipment with climate control will create a favorable microclimate in the room. The market offers a wide range of air conditioners, both economy and premium. Installation of equipment must be carried out by professionals.

What to do when the condensate on the water supply keeps constantly? When you notice drops of water on the pipes of an apartment building, do not ignore them in the hope that everything will fix itself. This problem needs to be fought. Try to use one of the methods described above, and the negative consequences will be avoided.

Danger of condensation

Installing a sealed double-glazed window not only provides comfort and warmth inside the room, but also deprives fresh air from entering the home. For this reason, the owner independently worsens the microclimate of the room.

Condensation on plastic windows is evidence of an unfavorable atmosphere in the apartment. High air humidity promotes the appearance of various types of bacteria, mold and fungal growths.

According to SNIP 2.04.05-91 in the living space, the temperature should vary within 20-22 ° C, and the moisture content should not exceed 30-45%. These conditions are optimal for a comfortable stay of a person in the room and there is no risk of windows fogging up. Therefore, condensation on the windows is the first sign of a violation of the microclimate of the room.