With the heating up of the second-hand housing market, second-hand housing renovation has become a hot spot in the market. The content of second-hand housing renovation generally includes basic water line renovation, wall renovation, ceiling treatment, floor renovation, renovation of doors and windows, and other basic projects, due to construction time For a long time, many second-hand houses are prone to problems in the process of demolition, which has caused some impact on construction. Relative to the new house decoration, second-hand housing decoration is undoubtedly increased in the design and construction of the difficulty. There are many differences in the structure of the old house and the new house. If the structure is relatively old, if people do not have enough knowledge of the house and check in after a hasty renovation, you will find a variety of problems, such as water leakage or Wall cracking and other issues, so the second-hand housing needs a lot of attention when it comes to renovation.
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1, old materials will be changed to environmental protection
In home furnishings, many of the materials used in some old houses have been replaced with environmentally friendly materials and should be replaced in the following circumstances. The original wall surface and the top surface of the basement are sand and gray walls that need to be removed to rework the base layer of the cement plaster. The aging of the old house circuit needs to be replaced. Due to the fact that modern life appliances are used more often and the replaced wires are required to comply with national standards, galvanized iron pipes need to be installed during construction. When laying wires, they must be routed according to the new design scheme. Generally, they are divided into lighting, low-position sockets, high-position sockets, and weak currents.
The original decoration of the old room is generally used hydrophilic plaster putty, need to be completely removed after the use of water-resistant putty. With the consent of the property, the outer doors and windows can be replaced. Now, plastic windows and aluminum alloy windows are generally used. The use of galvanized iron pipes and aluminum plastic pipes in the old house waterway has not been able to meet the needs of modern life. The galvanized iron pipes of the waterway are easily corroded and harmful to human health and have been banned by the State. Aluminum plastic pipe fittings are easy to fall off, and water seepage causes hidden problems in later use. Therefore, the use of PPR pipes is now more than necessary. After the new pipeline is completed, it is necessary to suppress the test.
2, floor surface thickness requirements
Floor retreading is to restore the old floor as new by sanding, scraping, painting, and waxing the floor surface. Compared with repurchasing the floor, the old floor is adapted to the indoor environment, with better stability and much lower renovation costs.
However, according to experts, not all floors can be refurbished. There is a layer of aluminum oxide wear-resistant layer on the surface of the laminate floor. The refurbishment of the floor will damage the wear-resistant layer and cause the aging of the floor to increase. Therefore, the laminate flooring cannot be refurbished. Only solid wood flooring, engineered wood flooring and bamboo flooring with a surface thickness of 4 mm can be refurbished. Because the surface of the floor after grinding several times, will be polished off 1-2 mm, if the floor surface is too thin, it will polish the middle layer, thus affecting the floor life.
3, random demolished structure leading to wall collapse
In the past, the house type structure of the house was often not very good, so some netizens were already planning to modify the structure of the house when they purchased the second-hand house, where they added an entrance, and opened a wall, etc., because many multi-storey houses in the city Is a brick-concrete structure, so the wall is the first load-bearing seismic components, followed by enclosure members. If the load-bearing wall is interrupted in order to enlarge the space, the load-bearing capacity and the anti-seismic capacity of the wall components will be weakened, leaving serious hidden dangers. Therefore, it may cause various troubles to demolish the structure at will, such as wall cracking, collapse, and circuit failure. problem.
　　
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