Today, Jiuzheng Building Materials Xiaobian tells everyone about the old doors and windows. As the saying goes, dilapidated and welcome new, remove the old talent to give a new filling position. Before the new doors and windows are installed, the old doors and windows need to be removed first. Old doors and windows can not be removed too early, generally it is best to install new doors and windows immediately after the old doors and windows are removed. However, the old doors and windows that have been removed can not be thrown away as garbage. It can also be depreciated to save the owner a sum of money!
First, the old door and window removal side selection
If the owner has his own experience, he can remove it himself and sell the old door and window to the waste collection; or choose the person who collects the old door and window in the market, who is responsible for the demolition, and also charges some old doors and windows, but generally not It will be very high; the other is to let the door and window manufacturers to dismantle, it is more reliable and safe, but according to industry practice, the removed doors and windows directly pull the roof removal fee. But which method, the cost of removing the doors and windows can be crossed out from the expenses.
Second, the old door and window removal precautions
1, pay attention to personnel safety
The removal of doors and windows is a difficult task. If it is a high-rise, it is necessary to pay special attention to the safety of construction workers. When removing doors and windows, special security personnel should be responsible for safety and safety signs should be set to ensure their safety and safety.
2, to avoid damage to the wall structure
When the doors and windows are removed, it is necessary to avoid the use of a sledgehammer to remove the mammoth 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.
Third, the general process of door and window removal
Before the door and window demolition work begins, the person in charge of the door and window installation needs to carry out comprehensive safety and technical disclosure to the installation workers. Enable the installer to grasp the various precautions that should be paid attention to during the construction of the door and window.
1, first remove the door and window fan
The door and window fans should first be removed with tools such as a screwdriver and a hammer. During the disassembly process, one person should be disassembled and one person is responsible for the stability of the doors and windows. After the door is removed, it should be handled gently. It is forbidden to push down at high altitude.
2, remove the door and window frame
After the door and window sash is removed, the door and window frame can be removed. Generally, it is necessary to first cut the sealant on the inside of the door and window frame with a blade. If the door and window are connected with the wall by using expansion bolts, the expansion bolt can be directly removed by a screwdriver; if the expansion bolt is rusty, it can be hammered. If it is connected by a connecting piece, use the impact drill directly; if the window frame is difficult to remove, use a hacksaw to saw and remove the frame against the wall.
3, clean up the repair door and window opening
When the doors and windows are disassembled, it may cause certain damage to the door and window openings. If it is not treated, it is not conducive to the installation of new doors and windows. Therefore, after the door and window are disassembled, it is necessary to check whether the size of the hole is correct, whether it is horizontal and vertical, and to treat the hole that does not meet the requirements.
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