The acceptance of concealed works of home decorati

2022-07-22
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Concealed works in home decoration refer to pipeline works and structural works concealed inside the decorative surface. Pipeline engineering includes electrical circuit, water supply and drainage, gas pipeline, air conditioning system, etc; Structural engineering refers to the internal structure used to fix and support the load of the house

the acceptance of concealed works of home decoration includes waterway, circuit, waterproofing, balcony heightening, ceiling, guarantee, etc., which shall be participated in by the customer, project supervisor and construction director. The construction can be continued only after the acceptance is qualified and signed

it is worth noting that at present, the quality problems of concealed works in home decoration are widespread, and many hidden dangers are left due to inconvenient maintenance. Therefore, it is necessary to understand its structure and materials. Concealed works of home decoration mainly include the following six aspects:

first, electrical pipeline engineering: general power lines are divided into hard wires, flexible wires, sheathed wires, etc., which are divided into 1 mm2 wires, 1.5 mm2 wires, 2.5 mm2 wires according to the thickness of copper cores. For the sake of safety and easy maintenance, the power line should be sleeved. In addition, there are commonly used audio lines, signal lines, etc. Sockets are divided into 10a, 15a, There are also many kinds of brands and many counterfeits. Inferior sockets are easy to cause accidents. It is recommended to buy them in regular electrical appliance stores. Electrical circuit engineering requires standardized construction, and workers should work with certificates to ensure safety and eliminate hidden dangers

II. Water supply and drainage works: galvanized pipes will be phased out because they are easy to rust, accumulate dirt, do not keep warm, and freeze crack will occur. At present, plastic aluminum composite pipe, plastic steel pipe and PPR pipe are used most. These pipes have good plasticity and toughness, and the insulation does not crack or accumulate dirt. Special copper joints or thermoplastic joints are used, with quality assurance and less energy consumption

III. retaining wall base: the retaining wall board has flat type and concave convex type. The method is to brush a layer of cold primer oil on the wall first, then install 30mm*40mm wood keel, nail multi-layer board or Blockboard on this basis, and finally nail veneer plywood. In order to prevent mildew, a series of pores with a diameter of 6mm are opened on the upper part of the parapet

IV. base course of door and window cover: first arrange keels, then nail Blockboard or density board, and nail wood lines with veneer plywood on the surface. Notice that the density board should be soaked in water to avoid expansion in the future

v. ceiling base: ceiling materials include gypsum board, gray board, plywood, aluminum alloy gusset, plastic gusset, ground glass, painted glass, etc. the keel is divided into wood keel and light steel keel. Ceiling cracks often occur, such as caulking with elastic putty and sticking nylon bandages, which can improve this situation

VI. floor base: there are two methods for solid wood floor base: one is to brush cold primer oil on the cement floor, lay wooden keel, and finally nail the floor; Another method is to lay a layer of blockboard or rough floor on the keel, and then nail the floor. In this way, the floor is evenly stressed and the structure is firm. The installation of composite floor is convenient, and there are two methods for the base: one is to make a leveling layer first, then lay PVC cushion, and then lay composite floor; The other is to lay wooden keel and rough floor on the cement leveling layer, and two composite floors

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