How to inspect doors and windows from the appearance alone?

Visual inspection of doors and windows.

1. Surface inspection of doors and windows.

First of all, a good door and window are smooth and immaculate from the naked eye, anyway, it is the feeling of not daring to touch it very hard. At the same time, we must check whether the hardware accessories of the doors and windows are complete and intact, whether the position of the door and window frames and door openings is suitable after the installation is completed, and whether the hardware accessories are rusty. Whether there are scratches, deformations, breakages, etc. on the window frame.

If the above situation does not occur, it proves that the installation quality is quite good.

2. Door and window glass inspection.

After checking the appearance of doors and windows without any problems, the next step is to check whether it is the glass specifications selected by yourself. The second is to push the door and window glass with your hand to see if it is installed stably, and it must be free of looseness. At the same time, whether there are a series of quality problems such as cracks, scratches, impurities, etc., if found, it should be fed back and replaced in time.

3. Inspection of rubber strips on doors and windows.

Door and window adhesive strip is one of the important parts of the appearance inspection of doors and windows, because if the sealing strip is not installed well, it will lead to non-sound insulation, air leakage, rain leakage and other situations in doors and windows. Therefore, under normal circumstances, the contact surface between the sealing strip and the glass and the glass notch should be flat, and there should be no curling, de-groove, etc. At the same time, the sealing strip must be tightly attached to the glass from the door and window net, and there can be no obvious gaps, and the joint gap should be 1mm, so as to pass!

Doors and windows are the passage connecting the room and the outside world, and the quality of its installation is very important, and the acceptance work after installation cannot be ignored. Doors and windows are very important in our daily life, so for the decoration of Xiaobai, how to accept the doors and windows after decoration? I am worried that I will be very troublesome if I don't pay attention to it when I accept it, and I will find out the problem in the futureThe old carpenter Luban doors and windows take a look at how to accept the doors and windows after the decoration!

Visual inspection of doors and windows.

The quality of the surface of the door and window is directly related to the whole effect after installation, not only for use but also for aesthetics. Whether there is obvious uneven color on the surface of doors and windows, whether there are scratches on the surface of doors and windows, whether there is deformation of the door and window frame, etc.

Hardware accessories inspection

Hardware fittings are a very important part of the quality of the whole door and window, hardware fittings are bad and directly affect the service life of doors and windows, you can check whether the hardware is the use of the hardware brand required by the contract, and then observe whether the installation is qualified.

Door and window seals inspection

Sealing strip is an important part of doors and windows, and the sealing strip should be checked for cracks, fracture and aging during the acceptance of doors and windows. There is also the contact between the sealing strip and the glass and the glass notch should be smooth, not curled, out of the groove, the strip with the sealing strip must be fully attached to the glass, and there should be no obvious gap between the bead and the profile.

Check that the border is vertically flat

Check the verticality range of the door and window frame with a vertical measuring ruler, and the allowable deviation of the positive and lateral verticality of the general door and window frame is 25 mm. The horizontal allowable deviation of the door and window transverse frame is two millimeters, the allowable deviation of the elevation of the transverse frame of the door and window is five millimeters, and the vertical deviation of the door and window is five millimeters.

Tight density check of connections

When the door and window are accepted, check whether the frame of the door and window is tightly connected with the wall, and can be used as an auxiliary tool to help check with the help of reflectors and telescopic tubes. If the sealing degree of doors and windows and walls is not high, this not only affects the airtightness of doors and windows, but also when it rains, rainwater can easily seep into the room from here and destroy the interior decoration.

Door and window usage check

The use inspection of doors and windows is the last step of the installation and acceptance of doors and windows, check whether the opening and closing of doors and windows are abnormal, and whether the opening of doors and windows locks is normal and available. You can shake the doors and windows back and forth with your hands to see if there are any problems such as abnormal noise, open and close the doors and windows with different strengths, see how the force of the doors and windows is, and see how the sealing is after closing the doors and windows.

Door and window decoration, "three points of products, seven points of installation" This sentence should not be unfamiliar. The installation of doors and windows, different construction methods, will not only restrict the performance of doors and windows, but also have an important impact on the overall decoration, but also related to the daily living safety experience. From the delivery of door and window products to the home, to the installation on the wall, and then to the acceptance, this is the installation process in the decoration of doors and windows, and it is also an essential step.

The methods of acceptance of doors and windows are mainly as follows: 1The window frame can be measured with a level, or you can push the sash close to the window frame to see if the gap between the two is the same size. If it is the same size, it proves that the window frame is straight.

First, how to choose the customization of doors and windows.

1. The type of window.

1) Casement window: the traditional window type is very widely used, and the casement window is also divided into internal and external opening; The advantage of opening inside is that it is easy to clean, and the disadvantage is that it occupies a space when it is opened, and it is easy to seep water in rainy days; The advantage of opening is very waterproof and does not take up space when opened, but it is difficult to be easily damaged in the face of strong wind and rain, so the requirements for hardware must be high.

2) Sliding window: divided into up and down and left and right two kinds of sliding mode, characterized by not taking up space, beautiful appearance, affordable, good sealing, the use of high-grade slide rails, only need a gentle push, very flexible. In addition, the force of the window is uniform and it is not easy to be damaged.

3) Shooting window: It has the same shape as the casement window, but the hinge installation position is different, and it is placed at the top, so this kind of smaller windows such as kitchens and bathrooms are more affordable.

4) Flip casement window: This type of window is used very frequently in Germany, and its production technology is also very high. It is very well sealed, ventilated, and has a good anti-theft function.

2. Knowledge of door and window purchase.

1) Material.

The glass material is ordinary, hollow, multi-layer hollow, PVB laminated and vacuum glass, among which the vacuum glass is the best sound insulation, so the bay window generally chooses vacuum glass, while the hollow and PVB laminated glass can only be isolated from high frequency and small noise, and the sound insulation effect of multi-layer insulating glass is the worst, but the safety is high and not easy to break.

2) Process.

The process mainly depends on the quality of the doors and windows, the accuracy of the size, the angular strength, and whether its hardware accessories are reasonable.

3) Tightness.

Tightness is the degree of sealing between the glass and the frame, including the sealing after closing, the sealing of windows and walls. In addition, depending on the quality of the sealing strip, the sealing strip is divided into two types: wool and rubber sealing strip.

4) Window brand.

In the choice of brand, to see the brand reputation and popularity, but also to consider its quality and appearance, do not covet cheap products, must choose a guaranteed, formal production of products, so that there are problems in the later stage can be more convenient maintenance.

Second, how to accept customized doors and windows.

1. When closing, the sash and frame of the plastic steel window must be divided into tin-free; The sliding plastic steel window should be smooth and smooth, the sound and color should be soft, and no dust should fall off.

2. It is necessary to install a screen window, and it is recommended to use mesh sand for the screen window, which is more practical and not easy to rust or damage the steel wire.

3. Finally, it is necessary to check that there should be a rain gutter on both sides of the window, and each window should have wool strips, and the owner should pay attention to these parts when accepting.

Summary. The acceptance of doors and windows is tested by the National Quality Supervision and Inspection Center for Aluminum Profiles and Door and Window Products. The National Quality Supervision and Inspection Center for Aluminum Profiles and Door and Window Products is an accredited laboratory of the National Accreditation Service for Chinese Laboratories (CNAS), a laboratory for the inspection of aluminum alloy building profile production licenses, and a contracted laboratory for the certification body of Fangyuan Certification Center.

The acceptance of doors and windows is tested by the National Quality Supervision and Inspection Center for Aluminum Profiles and Door and Window Products. The National Quality Supervision and Inspection Center for Aluminum Profiles and Door and Window Products is an accredited laboratory of the National Accreditation Committee of the National Accreditation Committee (CNAS) of Pengqiyu China Laboratory, as well as a contracted laboratory for the product inspection of aluminum alloy building profile production license and the certification body of Fangyuan Certification Center, and has also obtained mutual recognition of foreign laboratory product inspection such as SGS, Intertek and Tsai Rheinland.

The National Quality Supervision and Inspection Center for Aluminum Profiles and Door and Window Products (Guangdong) is mainly engaged in the inspection and inspection of aluminum alloy profiles, doors, windows, hardware accessories and other products and parts, and the testing items include: chemical composition analysis, microstructure analysis (including microstructure, metallographic analysis), mechanical which auspicious energy testing (including tensile, hardness, impact, fatigue, etc.), surface and coating performance testing (including salt spray early slowing limbs, aging, etc.), non-destructive testing, material failure analysis, thermal insulation profiles and doors and windows performance testing. The center can undertake a variety of supervision and spot check inspection, inspection commissioned by all walks of life, as well as domestic and foreign certification inspection and arbitration inspection, etc., but also undertake or participate in the formulation and revision of national standards, industry standards, and the translation and transformation of foreign standards, undertake the research and development of new testing technologies and methods, and provide technical guidance and personnel training to local testing institutions and enterprises of similar products.

Window sash door leaf inspection.

First of all, we should check the appearance to see whether there is obvious color difference in the gloss and surface tremor of the doors and windows, and at the same time, measure whether the diagonal lines of the doors and windows are consistent with a ruler, and look closely at whether there are scratches on the surface of the doors and windows. Then check whether the contact surface between the sealant and the glass and the glass notch is smooth, and there can be no problems such as curling edges and de-groove gaps.

Door and window borders inspection.

In fact, the quality of the door and window frame also directly affects the durability of the whole window. 1. The vertical flatness of the door and window frame is checked, we need to borrow the infrared level to check the verticality range, under normal circumstances, the allowable deviation on both sides of the front and side is normally, and the horizontal deviation of the door and window transverse frame is allowed to hail next to 2mm, the allowable deviation of the elevation of the door and window transverse frame is 5mm, and the allowable deviation of the vertical deviation of the door and window is 5mm, and it is also necessary to see whether the wall and the frame sealant are enough.

Hardware accessories inspection

First of all, check whether the installation position of the door and window lock is correct, check whether the installation on both sides of the lock corresponds, and whether there is any misalignment. Shake the door and window locks with your hand to see if they are loose. Check the flexibility of the door lock, whether it can smoothly carry out the action of anti-lock and unlocking; Then check the window, close the window lock, push the moving window with your hand, and check if the window can be locked without moving.

After these are checked, the details of the source hole acorn doors and windows should be all accepted, and the rest is the feeling of using the windows yourself.

1. The verticality of the window frame.

Measure with a level, or push the sash closer to the frame to see if the gap between the two is the same size above and below. If it is the same size, it proves that the window frame is straight, and vice versa, it is not straight.

2. Inspection of steel lining.

Doors and windows should withstand wind pressure, high ties, rain and snow, as well as the switching force and their own gravity in use. We can use the magnet to put on the form during the acceptance to see if it can be adsorbed, if it is guessed, it proves that the manufacturer has installed a steel lining in the profile cavity. As for the thickness of the steel lining, you can tap it with an electric hammer when the installer fixes the window frame to feel whether it is laborious to penetrate.

3. The gap between the window frame and the wall.

According to the construction requirements, there should be at least 1 cm gap between the window frame and the wall to facilitate the filling of construction adhesive. The main purpose of filling styrofoam is to solve the problem that the window frame cannot be freely deformed by temperature culture.

4. Inspection of hardware.

Check whether you are using the hardware brand required when signing the contract, and whether it is light and feels good when you use it.

5. Glass. The surface of the glass with good quality has no spots and no water lines, and the insulating glass should be checked to see whether the middle of the glass is clear and clean.

6. The authenticity of the profile.

Look at the protective film on the surface of the profile, see if there is an anti-counterfeiting logo on the groove wall of the profile, call the manufacturer on the protective film, and compare it to know the authenticity.

1. The variety, type, specification, size, performance, opening direction, installation position, connection method and profile wall thickness of aluminum alloy doors and windows of metal windows should meet the design requirements. The anti-corrosion treatment, filling and sealing treatment of metal doors and windows should meet the design requirements.

Test Method: Observation; Measure check; Check the product qualification certificate, performance test report, entry acceptance record and re-inspection report; Check the acceptance records of concealed works.

2. The metal window sash must be installed firmly, and should be opened and closed flexibly, closed tightly, and there should be no inverted warping. Sliding sash windows must have anti-falling measures.

Test Method: Observation; Turn checks on and off; Wrench check.

3. The sliding door, window sash and switching force of broken bridge aluminum doors and windows should not be greater than 100N.

Inspection method: check with a spring scale.

4. The rubber sealing strip or felt sealing strip of the metal window sash should be installed in good condition and should not be taken out of the groove.

Test Method: Observation; Turn checks on and off;