Introduction to the skills of door and window repl

Introduction to the skills of replacing doors and windows during secondary decoration

door and window manufacturing is an industry with relatively low threshold. Family workshop stores are everywhere in the streets. The price of high-quality doors and windows is not low. Before replacing doors and windows, owners should consider various related issues, such as which doors and windows need to be replaced? What kind of doors and windows should be replaced? How to choose various doors and windows, etc. Here are the answers for the decoration owners one by one

first, determine the doors and windows that need to be replaced

China is no exception

the focus of replacing doors and windows is whether the decoration fund is enough. If the money is enough, it is better to replace all or most of them, so that the style is unified and more beautiful. If the money is not enough, you can replace some and make do with others first. If the quality of the security door is good, just replace the door lock. Other indoor doors and windows depend on the situation

second, understand the materials of doors and windows

at present, the materials of doors and windows mainly include wood doors and windows, plastic steel doors and windows, aluminum alloy doors and windows, and Bridge broken aluminum alloy doors and windows. The advantages, disadvantages and prices of doors and windows of different materials are different. The owner needs to choose the appropriate door and window materials in combination with his own needs and economic situation

no matter which material you choose for doors and windows, you should carefully study the identification methods of the advantages and disadvantages of this material. It is suggested that you should go to the formal building materials market to buy doors and windows. The walls are hollow structures. Of course, it is not necessary to go to the roadside small door and window stores, but you must go to the door and window stores with high reputation, long operation time and good reputation

III. general process of door and window replacement

consulting property: at present, many community properties stipulate that in order to maintain a unified appearance, the material, shape and color of doors and windows cannot be changed without permission. Therefore, when replacing the facade doors and windows, you need to first consult the property to see whether you agree to the installation. The replacement of doors and windows generally needs to be done at the beginning of decoration, and then the next decoration construction can be carried out

door to door measurement by door and window manufacturers: after full understanding and preparation in the early stage, select the appropriate door and window manufacturers. Generally, the door and window manufacturers will have technicians to the site for field measurement and investigation. After on-site measurement, technicians need to issue drawings and make quotations. Then, if the owner approves the scheme proposed by him, the door and window manufacturer will process the products according to the scheme. Generally, the production period of the products is days. After the product is made, the old doors and windows can be removed and new doors and windows can be installed

part2 there is a clever way to save money in the decoration stage of dismantling old doors and windows.

as the saying goes, old ones are welcome, and the old ones can be removed to make room for the new ones. Before installing new doors and windows, the old doors and windows need to be removed first. Old doors and windows cannot be removed too early. Generally, new doors and windows are installed immediately after the old doors and windows are removed. The removed old doors and windows can't be thrown away as garbage. It can also be depreciated to help the owner save a sum of money

first, the demolition Party of old doors and windows chooses

if the owner has experience, he can dismantle them himself, and then sell the old doors and windows to waste collectors; Or choose a special person to collect old doors and windows in the market, who is not only responsible for dismantling, but also will give some recycling fees for old doors and windows, but it is generally not very high; In addition, it is more reliable and safe to let the door and window manufacturers dismantle it. However, according to the industry practice, the demolished doors and windows are directly pulled away from the roof demolition fee. However, in which method, the demolition cost of doors and windows can be crossed out from the expenditure

II. Precautions for the removal of old doors and windows

1. Pay attention to personnel safety

the removal of doors and windows is a difficult thing. If it is a high-rise building, special attention should be paid to the safety of construction personnel. When removing doors and windows, special safety personnel should be responsible for safety and set up safety warning signs to ensure their own safety and the safety of others

2. Avoid damage to the wall structure

when removing doors and windows, it is necessary to avoid smashing the removal with a sledgehammer to prevent damage to the wall structure. If the original building wall is damaged, it needs to be repaired, which will greatly increase the construction cost

III. general process of door and window removal

before the removal of doors and Windows starts, the person in charge of door and window installation needs to make a comprehensive safety and technical disclosure to the installation workers. So that the installation personnel can master various precautions that should be paid attention to in the demolition of doors and windows

1. Remove the door and window sashes first

remove the door and window sashes first with tools such as screwdriver and hammer. During the disassembly process, one person is responsible for the disassembly and one person is responsible for the stability of the door and window. After the door is removed, it should be handled with care, and it is strictly forbidden to push it down from high altitude

2. Remove the door and window frames

after the door and window leaves are removed, the door and window frames can be removed. Generally, the sealant inside the door and window frame needs to be cut with a blade first. If the doors and windows are connected with the wall with expansion bolts, the expansion bolts can be directly removed with a screwdriver; If the expansion bolt is rusty, it can be broken with an impact drill; If it is connected by connecting pieces, the impact drill can be directly used; If the window frame is difficult to remove, the middle of the frame near the wall needs to be sawed with a hacksaw to remove it

3. Cleaning and repairing door and window openings

door and window openings may be damaged when they are disassembled. If they are not treated, it is not conducive to the installation of new doors and windows. Therefore, after the removal of doors and windows, it is necessary to check whether the hole size is correct and whether it is horizontal and vertical, and deal with the holes that do not meet the requirements

part3 pay attention to supervision and acceptance at the stage of installing new doors and windows

after the old doors and windows are removed, the new doors and windows can be installed. When installing new doors and windows, it is more necessary to be cautious and pay attention to supervision and acceptance, so as to avoid various problems such as water leakage and air leakage in the later stage of the use of doors and windows

I. the entrance of door and window materials needs acceptance

the stage of installing new doors and windows

the entrance of door and window materials must be inspected and accepted. First, check the appearance to see if it is damaged or broken; Second, size acceptance, check the size of the four sides of the frame, check the squareness and warpage of the fan, and achieve quality pre control before installation; The third is to identify the authenticity. According to different material identification methods, determine the authenticity of the material to prevent cheating. In addition, check fasteners, hardware, reinforced profiles and metal lining plates to see whether the surface has been treated with anti-corrosion treatment

II Be careful when placing doors and windows

transportation of door and window materials "This technology is the research and development achievement of Parker company that took 10 years. After arriving at the construction site, it needs to be placed carefully to avoid collision and wear. Generally, doors and windows should not directly contact the ground, and the bottom of doors and windows should be padded with non-metallic anti-skid backing plates with a thickness of not less than 30mm; at the same time, door and window frames and leaves should be placed vertically, with an angle of not less than 70 degrees, and should have anti dumping measures. In addition, doors and windows of different specifications should not be stacked.

III. general process of door and window installation

1. Fixation Bracket

method 1: fix it with fixing piece

method 2: fix it with expansion bolt

2. After the door and window are adjusted, it is necessary to apply graphene material. It is also expected to optimize the performance of the battery. Styrofoam is used to fill the gap between the door and window frame and the wall. After the foam adhesive is cured (it usually takes hours, and it takes longer in winter), cut off the excess foam adhesive

3, install door and window sashes and other accessories

after fixing the door and window frames, then install door and window sashes and other accessories. Pay attention to the installation. Be careful

4. Apply sealant

after applying styrofoam, apply sealant evenly around the door and window frame to prevent rainwater from penetrating into the room from the installation gap between the door and window and the wall

the general process of door and window installation is to install the frame first, then check whether it is installed correctly, and then send foam to fill the gap. Then install door and window leaves and other accessories, and apply sealant to prevent water seepage

IV. installation and acceptance of doors and windows

when installing doors and windows, careful acceptance is also required, and problems are found and repaired in time. Generally, the acceptance of doors and windows is mainly from the following aspects

1. Check the vertical level of the door and window frame

the perpendicularity of the door and window frame can be measured with a level bar or a plumb bob. The height of the door and window is within 2 meters, and the Perpendicularity Error should be less than 2 mm; When the height of doors and windows is greater than 2 meters, the error should be less than 3 mm; The levelness of door and window frames can be measured with a level ruler, or water can be poured into the sliding way of door and window frames. If the water surface remains at a horizontal line, it indicates that the door and window frames are horizontal; Otherwise, it means that the door and window frames are not installed horizontally; It can also be measured with a long water pipe to see whether the water level at both ends is level

2. Check the installation quality of the glass

the glass should be flat, free of spots and water marks; The inner and outer surfaces of double-layer glass shall be clean, there shall be no dust and moisture in the glass interlayer, and the spacer strip shall not be tilted. The batten with sealing strip must be close to the glass. There is no obvious gap between the batten and the profile, and the gap at the joint should be less than or equal to 1mm

3. Check the tightness of frame and leaf

the combination between door and window frame and leaf should be tight, and there should be no obvious gap at the joint of leaf sealing strip. When the door and window are closed, there should be no obvious gap between the leaf and the frame, and the sealing strip on the sealing surface should be in a compressed state