The most comprehensive guide to replacing doors and windows is a must-read for home improvement owners!
Doors and windows are the face of the house, so the importance of door and window decoration can be seen. Owners who have bought a new house or are preparing to renovate an old house are concerned about the fact that there are quite a few doors and windows in the house. Which doors and windows must be replaced and which can be retained?
Part 1 Replacement preparation stage, planning first, no regrets
Door and window manufacturing is an industry with a relatively low threshold, and family workshop-style stores are everywhere in the streets and alleys. The price of high-quality doors and windows is not low. Before replacing doors and windows, owners should consider related issues, such as which doors and windows need to be replaced? What material should be replaced for doors and windows? How to choose various doors and windows, etc. The following editor will answer them one by one.
1. Determine the doors and windows that need to be replaced
The key to replacing doors and windows is whether the decoration fund is sufficient. If the money is enough, it is better to replace all or most of them, so the style is unified and more beautiful. If the money is not enough, you can replace some of them and make do with the others. For example, if the quality of the entrance security door is good, just replace the door lock. Other indoor doors and windows depend on the situation.
2. Understand the materials of doors and windows
The current materials of doors and windows mainly include wooden doors and windows, plastic steel doors and windows, aluminum alloy doors and windows, and broken bridge aluminum alloy doors and windows. The advantages and disadvantages and prices of doors and windows of different materials are different. Owners need to choose the most suitable door and window material based on their own needs and economic conditions.
Regardless of which material of doors and windows you finally decide to choose, you must carefully study the method of distinguishing the advantages and disadvantages of this material. It is recommended to go to a regular building materials market when purchasing doors and windows. Of course, small roadside door and window shops are also possible, but you must go to a door and window shop with a high reputation, a long operating time, and a good reputation.
3. General process of door and window replacement
Consult property: At present, many community properties stipulate that to maintain a unified appearance, the material, shape, and color of doors and windows cannot be changed privately. Therefore, when replacing the facade doors and windows, you need to first consult the property to see if they agree to install them. Door and window replacement generally needs to be done at the beginning of the decoration before the next step of decoration construction can be carried out.
Door and window manufacturers come to measure: After making a full understanding and preparation in the early stage, choose a suitable door and window manufacturer. Generally, door and window manufacturers will have technicians to conduct on-site measurements and inspections. After on-site measurements, technicians need to produce drawings and quotes. Then if the owner approves the plan proposed by the door and window manufacturer, the door and window manufacturer will process the product according to the plan, and the general product production period is 20-30 days. After the product is made, you can remove the old doors and windows and install new ones.
Part2 Removal of old doors and windows stage There are tricks to save money on decoration
As the saying goes, the old is broken and the new is welcomed. Only by removing the old can the new be filled. Before installing new doors and windows, the old doors and windows need to be removed first. The old doors and windows cannot be removed too early. Generally, it is best to install new doors and windows immediately after removing the old ones. The removed old doors and windows cannot be thrown away as garbage. They can also be depreciated to help the owner save money!
1. Selection of the removal party of old doors and windows
If the owner has experience, he can remove them by himself and then sell the old doors and windows to the scrap collector; or choose a special person who collects old doors and windows in the market, who is responsible for the removal and will also give some recycling fees for old doors and windows, but generally not very high; another is to let the door and window manufacturer to remove them, which is more reliable and safe. However, according to industry practice, the removed doors and windows are directly taken away with the top removal fee. However, whichever method is used, the removal cost of doors and windows can be deducted from the expenses.
2. Precautions for the removal of old doors and windows
2.1 Pay attention to personnel safety
The removal of doors and windows is a more laborious task. If it is a high-rise building, special attention should be paid to the safety of construction workers. When removing doors and windows, there should be a special safety personnel responsible for safety, and safety warning signs should be set up to ensure the safety of oneself and others.
2.2 Avoid damage to the wall structure
When removing doors and windows, it is necessary to avoid using a sledgehammer to remove them 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.
3. General process of door and window removal
Before the door and window removal work begins, the person in charge of door and window installation needs to conduct comprehensive safety and technical briefings for the installation workers. So that the installers can master the various precautions that should be paid attention to during the door and window removal construction.
3.1 Remove the door and window sash first
The door and window sash should be removed first with tools such as screwdrivers and hand hammers. During the removal process, one person should remove it and one person should be responsible for the stability of the door and window. After the door is removed, it should be placed gently and it is strictly forbidden to push it down from high altitude.
3.2 Remove the door and window frame
After the door and window sash is removed, the door and window frame can be removed. Generally, you need to use a blade to cut the sealant on the inside of the door and window frames. If the doors and windows are connected to the wall with expansion bolts, you can directly remove the expansion bolts with a screwdriver; if the expansion bolts are rusted, you can use an impact drill to break them; if they are connected with connecting plates, you can directly use an impact drill; if the window frame is difficult to remove, you need to use a hacksaw to saw the middle of the frame against the wall and remove it.
4. Clean and repair the door and window openings
When the doors and windows are disassembled, they may cause certain damage to the door and window openings. If they are not handled, it will be detrimental to the installation of new doors and windows. Therefore, after the doors and windows are disassembled, it is necessary to check whether the opening size is correct and whether it is horizontal and vertical and handle the openings that do not meet the requirements.
Part3 Installation of new doors and windows Pay attention to supervision and acceptance
After the old doors and windows are removed, the new doors and windows can be installed. When installing new doors and windows, you need to be more cautious and pay attention to supervision and acceptance to avoid various problems such as water and air leakage in the later use of doors and windows.
1. Door and window materials need to be inspected upon entry
Installation of new doors and windows
Door and window materials must be inspected and accepted upon entry. First, the appearance inspection to check whether they are damaged or broken; second, the size inspection to check the dimensions of the four sides of the frame, the squareness and warping of the sash, and to achieve quality pre-control before installation; third, to distinguish the authenticity, and determine the authenticity of the material according to different material identification methods to prevent fraud. In addition, fasteners, hardware, reinforced profiles, and metal linings should be checked to see if the surface has been treated with anti-corrosion.
2. Doors and windows should be placed carefully
After the door and window materials arrive at the construction site, they need to be placed carefully to avoid bumps and wear. Generally, doors and windows should not be directly in contact with the ground, and the bottom of the doors and windows should be padded with a non-metallic anti-slip pad with a thickness of not less than 30mm; at the same time, the door and window frames and sashes should be placed upright, with an angle of not less than 70 degrees, and anti-dumping measures should be taken. In addition, doors and windows of different specifications should not be stacked.
3. General process of door and window installation
3.1 Fixing bracket
Method 1: Fix with fixing plate
Method 2: Fix with expansion bolt
3.2 Apply foam glue
After adjusting the doors and windows, you need to apply foam glue to fill the gap between the door and window frames and the wall. After the foam glue solidifies (usually takes 2-3 hours, and it takes longer in winter), cut off the excess foam glue.
3.3 Install door and window sashes and other accessories
After fixing the door and window frames, the next step is to install the door and window sashes and other accessories. Be careful when installing.
3.4 Apply sealant
After applying the foam glue, evenly apply sealant around the door and window frames to prevent rainwater from seeping into the room through the installation gap between the doors and windows 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 apply foam glue to fill the gap. Then install the door and window sashes and other accessories, and finally apply sealant to prevent water seepage.
4. Door and window installation acceptance
When installing doors and windows, they also need to be carefully inspected to find and repair problems in time. Generally, the door and window acceptance is mainly from the following aspects.
4.1 Check the vertical water level of door and window frames
The verticality of door and window frames is best measured with a level ruler or a plumb line. The verticality error should be less than 2 mm when the door and window height is less than 2 meters; when the door and window height is greater than 2 meters, the error should be less than 3 mm; the horizontality of the door and window frames is best measured with a level ruler, or water can be poured into the lower slide of the door and window frames. If the water surface remains at a horizontal line, it means that the door and window frames are horizontal; otherwise, it means that the door and window frames are not installed horizontally; you can also use a long water pipe to measure whether the water level at both ends is horizontal.
4.2 Check the quality of glass installation
The glass should be flat, without spots or watermarks; the inner and outer surfaces of double-layer glass should be clean, no dust and moisture in the glass interlayer, and the partitions should not be lifted. The strip with sealing strip must be tightly attached to the glass. There should be no obvious gap at the joint between the strip and the profile. The gap at the joint should be less than or equal to 1 mm.
4.3 Check the tightness of the frame and the sash
The door and window frame and the sash should be tightly connected, and there should be no obvious gap at the joint of the sash sealing strip. When the door and window are closed, there should be no obvious gap between the sash and the frame, and the sealing strip on the sealing surface should be in a compressed state.