Home decoration, plumbing installation process and FAQs

Construction process:
First, the reasons for the transformation:
Create a personalized water environment based on the population and water use habits of each family. There are more tricks and each one is different.
Second, the common method:
1. Change the pipe from the pipe to the pipe and bury it in the pipe.
2, install hot water pipes. Households that use gas water heaters lead the pipelines to the bathroom; homes that use electric water heaters place water heaters in the bathroom and kitchen, and then pick up hot water pipes nearby. Note: The PPR pipe is divided into hot and cold water pipes, the corresponding pipe wall and pressure resistance are different, the hot water pipe wall thickness
3, change the position of the valve water meter, water pipe valve to change the low, - or even wrap up, which brings some hidden dangers in the future maintenance and work, it is recommended: the total water valve in a better open position. Such as the table, the pipe behind the valve to do low processing; washing machine to move the floor or faucet lead the balcony to wash the mop, watering; water meter high to change the low, --- that rely on the wall to save space, but after putting the cabinet is very Difficult to overhaul and view, the correct way is: by the cabinet, a low vertical wall installation.
4, install purification equipment. Reserve purification equipment branch interface until the end of the renovation , cabinets installed in place, please water purifiers, softener manufacturers come to install water purification equipment. It is generally installed in the space under the sink, so the kitchen partition where the sink is located should be large enough, such as 80 cm wide.
5. Change the heating pipe and move the radiator to the position where the furniture is conveniently placed, such as under the window sill.
6, solar (hot water) transformation for the top tenants, set aside the need for additional solar water heaters, the first step in the pipeline interface, you discuss the specific direction of the water route to the second step, with a hammer to fix the wall clip to the third step, The first and the heaviest step is to use a special hot melt machine to perform the hot melt connection to the pipe. After the connection is completed, a pressure test pump is used to pressure the entire pipeline. The fifth step is to clean up the waste left on the site. . So as not to affect the work below


Third, the water pipe to:

The construction code for water reform is "walking and walking, not walking horizontally."
It is recommended that the water pipe be safest. The main reason is that most of the waterway reforms go through dark pipes, while the water is characterized by low water flow. If the pipeline goes underground, it is difficult to find water leakage in time. Only if the water is diffused into the Jinshan or the floor is deformed and leaked downstairs, water leakage will be discovered, and it is difficult to detect leaks due to buried pipes. At this time, the huge losses are even more irreversible. They have even seriously affected friendly neighborhood relations; if the water pipes are at the top, the cost of water reform may be higher, but as a long-term investment, it is worthwhile.
When the water pipe is at the top, even if it leaks, it can be discovered in time and is easy to overhaul. The loss is also small.

Because there are many buried pipes and wires under the planed ground, it would be very troublesome to destroy the original underground pipes! If you go to the ground, in the course of later renovation, if the electric drill breaks the pipes, it will affect safety!
When the water pipe leads to the bathroom and meets the place where you need water, go down the vertical slot to a suitable height and reserve a shower, basin, washing machine, etc. The advantage of doing this is that when the decoration is completed After tiling, you can judge the direction of the water pipe according to the position of the outlet. All the water pipes are vertically upward at the outlet, so as to prevent the water pipe from being damaged for any reason and leaking and easy maintenance.
It is not easy to find the waterway because the water is flowing down. The water leaking places do not necessarily flow out first. Only when the water leaks downstairs or into the flood plain, water leakage will be discovered. However, due to the dark pipe, it cannot be immediately Find the leaking place, so the loss will be quite large; take the top, the kitchen bathroom can be covered with aluminum buckle ceiling, in the entrance through the entrance section we are walking along the corner, you can use the plaster line, does not affect the appearance .
1. When you communicate with our constructors, you will begin construction after the water is changed. First draw a line of ink to outline the route you need to take the tube (you can see from the road map that it is horizontal and vertical, this time if you have different opinions or changes, you can also discuss with the worker's master). These preparatory work is about an hour or so.
2, after playing a good line is to open the dark trough, with a special tool cutting machine to cut the groove surface by line, and then use electric hammer slot, in addition need to be reminded that some residential areas are more thicker bearing wall steel, can not be Cut off the steel bar (affecting the quality of the house), only open shallow (need to thicken the cement when tiling) or take the open pipe, or bypass other walls.
3, after the completion of the trough, is to install the pipeline, where the technology is hot melt, that is to say with a hot melt machine to join the pipe joint part through the hot melt into one, aluminum plastic pipe, galvanized pipe and other joints are threaded or ferrule For a few years, the joints are liable to leak. When the lead pipe is at the top, because it is a bright pipe, it will be fixed with a pipe clamp to facilitate the next process.
4, set aside the outlet, if your home toilet, bathtub and other specifications are more special. Then you must explain clearly to our workers, because we are building by convention. Some owners may consider adding water to some items in the later period when they change their water. Then we will reserve 1, 2 outlets according to your requirements.
5. After the construction is completed, the most important step is acceptance. That is, through the pressure test, the pressure is 8 kg. After 30 minutes, if there is no leakage, the water reform is completed successfully.
6. After the acceptance of the owner, it is satisfactory to pay the full amount, we calculate according to the actual number of meters.

Fourth, the installation proposal:
1. It is best to find a professional company to install PP-R pipe, no matter how luxurious and upscale your decoration, if you are not willing to use money in this area, it is not worth it. Frequent crushing or blockage of pipelines will result in tens, hundreds, even incalculable consequences for the prices of the water pipes themselves.
2. The boost test must be performed after installation. Pressurization tests are generally performed at 1.5 times the water pressure, and there should be no leakage during the test.
3. A simple test method without pressurization is not completely feasible.
1) Close the water main valve. (ie the water switch in front of the water meter)
2) Open the faucet inside the room for 20 minutes to ensure that no water is dripped and then close all taps.
3) Turn off the water inlet switch of the device, such as a toilet tank and a washing machine.
4) Open the main valve of the water pipe.
5) Check whether the water meter is moving 20 minutes after opening the main valve, including slow walking.
If there is movement, it is leaking. If you don't move around, it may be okay.
(If there is a problem with the water meter or micro-permeation of the water pipe, it may be difficult to determine.) Therefore, it is recommended that a hydrostatic test be conducted after the completion of the construction. Generally, 8 kg of pressure will be applied for 20-30 minutes. (It's best to see for yourself)


V. Several suggestions after installing the waterway:
1. The piping should be fixed - it should be fixed with a professional pipe clamp, and do not use hook nails to prevent damaging the water pipe and reducing the service life of the water pipe.
2. The hot and cold water pipes are installed after the installation is completed to prevent the hot water pipes from being damaged by the late construction and failed to be discovered in time.
3, install the play to test the flow of each water, to prevent blocking the installation - resulting in reduced water flow
4, the wall should pay attention to maintain the spacing of the outlet and the wall vertical and high and low
5, the pipeline should pay attention to protection to prevent damage to foreign objects by heavy objects (especially in the lower temperature season)
6. Don't smear the modified asphalt and other non-environmental waterproof materials directly on the pipeline—caused to seriously pollute the water source!
7, Do not remember to install the faucet immediately after installation. Be sure to open the plug first to release the water inside, to avoid dirt blocking the faucet, causing unnecessary trouble!

Sixth, the construction should pay attention to the problem:
1. The pipeline shall be avoided from being installed under the floor or embedded in the ground. The arrangement of the combination of the overhead and the embedded wall shall be adopted.

the reason:
1), to avoid the subsequent decoration of the hand to damage the pipeline.

2) Avoid damaging the pipeline under the long-term effect of the pipeline system force.

3) In time, discover the leakage of the pipeline and minimize the loss.

4), easy to rectify or repair.
2. It is not advisable to bundle the pipes into a loop for transportation convenience.

the reason:
1) There is a possibility of damaging the pipeline.
2) When the water pipe is installed, it cannot be flat and straight, it is difficult to position, and it is not beautiful.
3, not for the sake of saving materials, and the original pipe for local changes and use of different brands of materials connected.
the reason:
1) The raw materials used by different brands may be different, and the molecular structure is not the same. It is prone to the phenomenon of incomplete fusion of hot melt, leaving the hidden danger of seepage!

Seven, PPR pressure test to explain in detail:
Pipeline pressure measurement is one of the commonly used methods for determining the reliability of water pipe connections. It is generally performed by the installation company, the owner, and the project leader.
How to operate? In practice, it is found that there are common problems with the owner. The following chart will tell you the answer.
Tool preparation:
The following figure is a common and relatively simple pressure testing tool, its size is 30cm square, but it is still very effective. The tool includes jacks, pressure gauges, water tanks, and connecting hoses, where the pressure device used is designed to test the pressure strength in the water pipe.

1, the principle of pressure measurement:
Connect the pressure measuring equipment to the pipeline. Determine whether the pipeline is depressurized by measuring the pressure change in the pipeline. If the pressure is relieved, the water leakage is a problem. The water pipe connection is problematic.
2, pressure measurement method:
The method of use is to connect the hot and cold water pipes together by using the hot and cold water pipes to form a circle and form a pipe. The pressure tester can be connected to any water outlet and the pressure indicator at this time can be zero pressure.
When all the water pipelines are fully welded, they can be pressure tested. Before pressure testing, all plugs should be plugged and the valves of the inlet manifold should be closed.
During the pressure measurement, shake the jack of the jack until the pointer of the pressure gauge points to about 0.9-1.0, that is to say, the current pressure is 3 times of the normal pressure to maintain the pressure for a certain time. The difference is that the pipe pressure measurement time is not the same, PPR, aluminum plastic PPR, steel plastic PPR welding pipe is 30 minutes (can only be more than can not be less). Aluminum plastic pipe is the kind of copper joint, and its time is 4 hours (half working day). Galvanized pipe is 4 hours and half a working day.

3, the results to determine:
In the pressure test, one by one to check the joints, the inner silk joints, plugging can not have water seepage, and some people say that the plug seepage water is okay, it is deceptive, plug seepage directly affect the pressure tester hands, hands constantly The drop can anyone know if the place is inspected carefully.
The pressure tester does not have the slightest drop in the specified time or the decrease is less than 0.1, which means that the water pipe is good, and it also shows that the pressure tester is working normally.
There are a lot of people who just took the tester to the place and tried it out in 5 minutes. That was really deceptive. In addition, it must be remembered that there should be no water leakage at the interface of each plug and faucet.

Eight, water reform acceptance notes:
Water and fire have long been known to the public and there is no doubt about the importance of water circuit renovation in decoration. Similarly, it seems to me that walking along the water line is as important as the issue of home improvement and environmental protection. Here are some tips for you: (Hidden project acceptance must see clearly)
1, the general use of water pipes in the market is PPR pipe, aluminum plastic pipe, galvanized pipe and so on. The home improvement waterway (water supply pipe) is best to use PPR pipe, because it is connected by heat welding, no water leakage, and the service life is up to 50 years.
2, the waterway reform generally distinguish between cold and hot water pipes.
3, waterway alignment slot should ensure that the buried pipe in the wall, the ground, after the decoration should not be exposed. Slotting should be careful as long as it can be buried in the pipe, do not damage the structural layer.
4, hot and cold water pipe outlet is generally left hot right cool, hot and cold water outlet is generally 15CM. Hot and cold water exports must be parallel.
5. Pipeline pressure experiment should be done after the completion of waterway reformation. The experimental pressure should not be less than 0.6MPa.
6, after the waterway reform is best to have a waterway map, in order to avoid accidentally hit the water pipe in the subsequent decoration!
7, the most important thing is the water reform team, I suggest you carefully choose professional water reform, electric reform company!

Nine, bathroom waterways need to pay attention to several issues:
1) For the shower and shower faucet to leave the hot and cold water interface, when installing the water pipe, you must adjust the angle, it is best to buy the shower in advance, try to install it. Pay particular attention to simply screwing the shower on the tiles before putting them on, and then remove them after installing the tiles and installing them at the end. To prevent the tiles from being fixed when the tiles have been installed, and because of the angle problem, it is not possible to install the tiles again.
2) The water inlet port for the toilet must be adapted to the height of the toilet tank from the floor. If it is left high, it may conflict when the toilet is installed last.
3) Do not install cement in the toilet seat. It is said that it will not be maintained in the future.
4) Wash basin, if you install pedestal, pay attention to the distance of hot and cold water outlet should not be too wide, or to install a pedestal, the width of the pedestal column does not cover hot and cold water pipes, from the front of the pedestal basin, You can see water pipes on both sides.
5) Pressure test (especially cloth dark line) should be conducted after waterway reformation, otherwise sleeping is not stable.
6) Washing machine faucet reserved, mop pool faucet reserved.

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