Recently, this newspaper reported on the knowledge about the purchase and installation of plastic-steel windows, which has aroused the concern of many consumers. They have called this newspaper to report that they have encountered untrustworthy businesses, which not only bring economic waste, but also affect their lives. The newspaper summed up representative cases, and interviewed the insiders to reveal some hidden problems in the plastic-steel window market. I hope that you should not be deceived when replacing plastic-steel windows.
Different prices of profiles are obviously different
Three months ago, Ms. Zhou replaced all the plastic-steel windows in her home and spent 12,000 yuan. Recently, she found that the plastic steel window of the same profile, she chose to be more than 300 yuan per square meter of other people's home, the total price difference of several thousand. Ms. Zhou can't understand, the appearance and use of the same plastic steel window, why is the price so much worse?
Experts dispel doubts: According to Jin Hong, manager of Changchun Dawang Door & Window Manufacturing Co., Ltd., the plastic-steel window is the same as many home-made building materials. For example, the floor is basically the same in appearance, but the essence is a lot different, there is reinforcement, there is pure solid wood. The same is true for plastic-steel windows. Once installed, it is difficult to see what is different in appearance. It is difficult to distinguish the quality.
The quality of the plastic steel window has been used for several years, and even less than a year, the window frame and window sash will be deformed to varying degrees, which will seriously affect the warmth and sound insulation. This situation can only be replaced, which is very troublesome. The quality of the plastic steel window, the inside of the profile is generally steel lining, consumers can choose to take the magnet to identify and discriminate; on the protective film, the protective film of the brand plastic steel profile is hot pressed, there will be no small bubbles, The quality is generally hand-applied. Under normal circumstances, it is obvious that small bubbles can be seen; the anti-counterfeit label can also be discerned. The anti-counterfeit label of the brand profile is very clear, and the water-proof color can not be faded, while the anti-counterfeit label of the general profile is blurred and black. Rubbing with water will fade, and some will even disappear. Of course, the price of brand profiles will be much higher than the average, and some even reach nearly 1,000 yuan a square meter. As the case of Ms. Zhou said, it may be worthwhile to verify whether the quality meets its price through the above points.
Installation process affects the effect of plastic steel window
Mr. Liu reflected that his house was equipped with three-layer plastic-steel windows of 650 yuan/m2 when installing plastic-steel windows, but after living for more than two years, there were many cracks around the window frame, and the air leakage was more obvious. Long hair is also very serious. The property said that because it is a window that is replaced by itself, it is not responsible for repairs, and the window manufacturers say that long hair is not their window. This makes Mr. Liu very helpless.
Experts dispel doubts: According to Wu Tao, manager of Oriental Home Planning Department, compared with other door and window materials, the insulation effect and noise reduction function of plastic steel doors and windows are more than 30% higher, if combined with double-layer insulating glass or three-layer hollow Glass, the effect will be better. Plastic steel doors and windows superior thermal insulation, sound insulation, aging resistance, erosion resistance and airtightness, not only from plastic steel profiles, but also from the construction of steel doors and windows, processing technology, hardware accessories and glass, sealing strips.
For the plastic steel window installation process, some manufacturers pay insufficient attention to it. For example, after the installation, the sealant at the outer wall and the window frame is not carefully applied, resulting in air leakage and long hair. Some manufacturers even use cement mortar as a sealing material. If it is a cement mortar with waterproof performance, if it is ordinary cement mortar, it will not have the effect of windproof and waterproof. In addition, the main part of the plastic-steel window is airtightness, and the most prone to the phenomenon of not being tight is the inclination of the window. If the process is not good, cracking and fracture will occur after receiving a certain strength and pressure, so the steel is installed. Pay special attention to the angle of the window when you are in the window.
Hardware replacement costs are quite low
Ms. Zhao’s plastic steel window has been used for one year. There are problems with different degrees of hardware. Contact the manufacturer for replacement. Not only does the replacement cost, but the price is very expensive. And because it is a small job, the manufacturers are not willing to come to the door to serve, and dragged on, dragging Ms. Zhao is very troublesome.
Experts dispel doubts: According to Manager Li of a large plastic-steel window enterprise in Changxin Street, many consumers pay attention to the appearance of doors and windows, often overlooking the service life of their hardware and accessories. Due to the different opening methods of plastic steel doors and windows, the hardware accessories are also different, and the different opening methods also make the sealing of doors and windows greatly different. In general, if the hardware accessories are selected from imported brands, the service life can be greatly improved and the frequency of replacement can be reduced. In order to reduce costs, small manufacturers may reduce the amount of hardware used, or use a single set of accessories.
In addition, other accessories such as glass, sealing strips, etc. will also affect the quality of the plastic steel window. The rubber strip is the key to heat insulation and sealing of plastic steel windows. The products of professional manufacturers have high aging resistance, erosion resistance and strength, while some inferior products can not withstand high temperature and ultraviolet radiation, and are easy to change color and age.
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