The renovation of a second-hand house is different from the renovation of a new house, and requires the necessary demolition work according to your needs and the current state of the house. It should be noted that, before the demolition, it is necessary to make a detailed renovation plan, to avoid drying one step to think of one step appears too many additions, resulting in insufficient budget. But in any case, the second-hand house renovation of these places is to pay special attention to.
Water renovation
Must replace the original water pipeline in the second-hand house often has many unreasonable layout, in the renovation must be the original water line to carry out a thorough inspection, to see whether it is rust, aging. If the original pipeline is used has been eliminated galvanized pipe, in the construction of all of them must be replaced with copper pipe, aluminum-plastic composite pipe or PP-R pipe. For example, before the renovation of the bathroom should be blocked before the floor drain, put about 5 centimeters deep water for testing, if the leakage must be redone waterproofing work; at the same time, it is important to note that the construction can not be left after the dead ends.
Circuitry renovation
Non-renovation of the second-hand houses are commonly found in the distribution of simple circuits, aging wires, illegal wiring and other phenomena, can not adapt to the needs of modern families of electricity, so in the renovation of the must be completely remodeled, re-wiring. If the original line is found to use aluminum wire, it must be replaced by all 2.5 mm2 copper wire cross-section. For the installation of air conditioning and other high-power electrical appliances, the line should be set up a separate 4 square millimeters cross-section of the line, and must be buried in the use of PVC insulated wire pipe. In addition, the new national standards, the number of fixed sockets in residential homes should not be less than 12, but there are still a lot of second-hand houses original number of sockets does not meet this standard, if a large number of mobile sockets, when the current load increases, the mobile sockets will be due to poor contact with the high temperature of the anomalies, for electrocution and electrical fire accidents buried hidden danger
"Hidden engineering"
Walls, floors, ceilings remodeling
In the renovation, the second-hand walls, floors, ceilings of the renovation is the most likely to be ignored, the expert advice is best to ask the professionals to conduct a site survey of the house to see whether there are obvious cracks, whether the level, whether the shedding and sand. If these conditions exist, it is necessary to carry out repair treatment, including shoveling wall oil, chalked wall paint, etc., water mud mortar to repair the grass-roots level, cracks, holes. Then you can choose the diatomite with strong plasticity and superior environmental protection function for wall decoration. Diatomite can be positioned according to the overall atmosphere and style of the home, to provide users with satisfactory colors and patterns, but also in the user to move in, with its own unique features to the user to create a suitable humidity oxygen healthy home environment. In the construction should pay attention to the site air clean, good dust protection, tools to ensure that there is no debris.
Door and window renovation
Update carefully consider the aging of doors and windows is also a prominent problem in the second-hand houses, but if the material is strong, and you also like its style, generally speaking, as long as the repainting can be a new look, but if the following problems occur, it is necessary to remove and redo the main problem to see whether the wooden doors and windows peeling, deformation The main problem is to see whether the wooden doors and windows peeling, deformation, if there is, then the characteristics of the wood itself changes, must be replaced with a new one. In addition, steel windows and doors surface paint peeling, body rust or cracking, in addition to insecurity, it is also difficult to restore the original state, in order not to affect the use of the effect, expert advice should also be removed and redo.
Tile remodeling
In the removal of old tiles resurfacing, need to pay attention to three points: 1. Smash wall tiles and floor tiles, to avoid debris clogging of the sewer; 2. deal with waterproofing, waterways as little as possible with elbows, to avoid running water or blockage; 3. try to minimize the use of wood panels, most wood products contain formaldehyde, affecting the health of the other wood will be Because the weather is humid deformation, and wood products handmade cost is also higher.