“Easy-to-hit guns and dark arrows are hard to prevent.†The concealed projects hidden in the home furnishings have always been the most unpredictable and most worrying aspect of pretending to be the most unexploited part. The reporter also learned from the Chengdu Decoration Association that in recent years, complaints about the quality of concealed works accounted for a large proportion of complaints about decoration. If pretenders are aware of the "privacy" of such home furnishings, they can grasp the real situation during the construction period and can eliminate the hidden dangers before the concealment works are closed. Therefore, the newspaper specially interviewed experts from the Chengdu Architectural Decoration Association and senior project managers of Chengdu brand decoration such as New Space Decoration, Huada Decoration, and Meijia Tang. They thoroughly analyzed the concealed works in the home improvement and proposed hidden works. Where special attention needs to be paid.
Circuit modification
In the hydropower reform, the consumers should pay attention to the material of the wires and pipes. This is where some home improvement companies find themselves. The difference between different materials can reach 50%. The wires commonly used for home decoration are copper wires of 2.5 mm2 or 4 mm2. Check the quality of the wire is good or bad, mainly to see whether the trademark printed on the wire, specifications, voltage, while looking at the cross section of the copper wire core, excellent product copper color bright, soft color. In addition, taking a wire head repeatedly bending by hand, hand feel is soft, plastic or rubber feel elastic and wire insulation without cracks are superior products.
When laying the circuit, the wires must be color-separated and need to be threaded. Do not bury the wires directly on the ground or wall. This will leave security risks. After the electric lines are laid, the length of the stay line in each box shall not exceed 20 cm, and the length of the lamp stream line shall be determined according to the height of the ceiling, generally exceeding 10 cm from the ceiling.
Key words
Covert Project:
The part that is covered by the next procedure is that there is no concept of “hidden project†in the national standard, and the term “hidden project†is just a common professional opinion in the home improvement industry. It usually refers to the part of an operation that has already been completed during the construction process. It is about to be covered and closed by the next step, so it cannot be inspected after completion, that is, the structural engineering hidden inside the interior of the decoration. It includes the circuit pipeline project. , water supply and drainage works, wooden base, ground waterproof engineering, primary and secondary keel construction and wall interface treatment of suspended ceilings. The vast majority of home improvement companies only refer to hydropower reform and ceiling keel construction as hidden projects.
The concealment project is the most crucial link in the decoration, and it is also the process that has the most processes and the longest construction time. It also has successive constructions, and this sequence is the basic sequence of the entire home improvement construction (as shown below).
Hydropower reconstruction (circuit pipeline project, water supply and drainage project can be carried out at the same time) → ground floor treatment + ground waterproofing project → primary and secondary keel construction of suspended ceiling → woodworking project (including woodworking cabinet basement, wooden door basement) → wall interface primary treatment.
Water supply and drainage construction
Do not break the original plumbing line when drilling holes. The laying of the water pipes need to select the quality of PP-R pipe, true PP-R pipe should be divided into "polypropylene hot and cold water pipes" or "hot and cold water with PP-R pipe" two. The pipeline shall be installed horizontally and vertically, and the pipeline shall be unobstructed. The plumbing, pipe and valves shall be securely installed and in the correct position. After the plumbing pipe is applied, the plumbing pipe must be pressure tested. After the pipe is qualified, the next process is performed to prevent the pipe from leaking and causing damage. The arrangement of hot and cold water pipes is "left hot right cold, hot hot cold," and the hot and cold water pipe spacing is greater than 30mm.
Ceiling keel
Wooden ceilings are generally used for ceilings. The primary and secondary wood keels can not use inferior wood, and the width and thickness of the main keel must be greater than the secondary keel. For fire protection needs, wood keel should be brushed 1 or 2 times to protect the fire retardant paint. In the home improvement, it is often used to save money or drawing attention. This is often overlooked. Individual construction teams often use other materials as fire retardant coatings. To supervise their construction, the price of a barrel of fireproof paint is generally around 100 yuan.
Ground treatment
Ground floor treatment mainly depends on whether the cement leveling layer on the ground is qualified or not. First, the unevenness of the original room should be smoothed with cement mortar. In addition, the kitchen and bathroom should have slopes.
Ground waterproofing is necessary and easily overlooked. In addition, the waterproofing of the wall is also required. Generally, the waterproof height of the wall needs to reach 1.8 meters. Currently used waterproof material is polyurethane coating, water leakage or plugging spirit. After the waterproof treatment is completed, a water storage experiment should be conducted to see if there is any water leakage within 24 hours.
Wall base treatment
The substrate is not cleaned before painting, which can cause the later brushed paint to peel off. The primary treatment of the wall is mainly for the poor wall or second-hand house wall decoration, before the wall is painted, remove the original wall covering clean, leaving no oil, then use 805 plastic to make a roll-over Handle and reinforce the wall. Then it is to putty on the wall, putty put together to ensure that the wall is dense, solid, to achieve no skin, no powder, no crack effect.
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