The hidden works in home decoration refer to the pipeline engineering and structural engineering concealed inside the decorative surface. Pipeline engineering includes electrical circuit, water supply and drainage, gas pipeline, and air conditioning system; structural engineering refers to the internal structure used to fix and support the load of the house. Although once fabulous beasts and high-tech factions exposed the structure of the pipeline as beautiful, this method is not suitable for the decoration of ordinary people.
It is worth noting that the quality of concealed works is widespread, and due to inconvenience in maintenance, many hidden dangers remain. Therefore, it is necessary to understand its structure and materials. The hidden works of home decoration mainly include six aspects:
(1) Water supply and drainage works. As the galvanized pipe is apt to rust, foul, not keep warm, and will be frozen, it will be phased out. At present, the most used are plastic aluminum composite pipes, plastic steel pipes, and ppr pipes. These tubes have good plasticity and toughness, and the insulation does not crack or foul. Special fittings or thermoplastic joints are used to ensure quality and energy consumption.
(2) Electrical pipeline engineering. General power cord is divided into hard wire, soft wire, sheathed wire, etc., according to the thickness of the copper core is divided into 1 square millimeter line, 1.5 square millimeter line, 2.5 square millimeter line ... ... for safety reasons, more convenient maintenance, power cord should be Bushings. In addition there are audio lines, signal lines and so on. The outlets are divided into 10a and 15a. There are also many brands and many counterfeits. Poor outlets are prone to accidents, and it is recommended to purchase them in a regular electrical appliance store. Electrical wiring projects require construction specifications to ensure safety and eliminate hidden dangers.
(3) floor base. There are two approaches to the base of solid wood flooring: one is laying wooden keels on the cement floor and finally nailing the floor; the other method is to lay a layer of blockboard on the keel first, or a wool floor, and then nail the floor, using this method The floor is evenly distributed and the structure is firm. The composite floor is easy to install and there are also two methods for the base: one is to make the leveling layer first, then lay the pvc cushion, and then lay the composite floor; the other is on the cement leveling layer, laying the wooden keel and the wool floor, and the two-storey composite floor.
(4) retaining wall base. Wall panels are flat and bumpy. The practice is to install a 30mm x 40mm wooden keel on the wall, and then ply the multilayer or blockboard on the basis of this, and finally nail the veneer plywood. In order to prevent mildew, a series of air holes with a diameter of 6 mm were opened on the panel wall.
(5) Door and window cover base layer. First arrange the keel, then nail the fine wood board, the surface with a plywood nailed nails to avoid future expansion.
(6) Ceiling basement. Ceiling materials are gypsum board, gray board, splint, aluminum alloy buckle board, plastic buckle board, frosted glass, stained glass, etc., keel wood keel and light steel keel. Cracking of ceilings often occurs, such as the use of elastic putty joints, and the application of nylon straps can improve this situation.
After the completion of the concealment project, it shall be checked and accepted to ensure that no hidden troubles are left. Only after passing the inspection can the follow-up construction be conducted. Otherwise, if problems are discovered in the future, they need to be reworked, which will not only affect the quality but also delay the construction period. Both the owner and the contractor will suffer losses.
It is worth noting that the quality of concealed works is widespread, and due to inconvenience in maintenance, many hidden dangers remain. Therefore, it is necessary to understand its structure and materials. The hidden works of home decoration mainly include six aspects:
(1) Water supply and drainage works. As the galvanized pipe is apt to rust, foul, not keep warm, and will be frozen, it will be phased out. At present, the most used are plastic aluminum composite pipes, plastic steel pipes, and ppr pipes. These tubes have good plasticity and toughness, and the insulation does not crack or foul. Special fittings or thermoplastic joints are used to ensure quality and energy consumption.
(2) Electrical pipeline engineering. General power cord is divided into hard wire, soft wire, sheathed wire, etc., according to the thickness of the copper core is divided into 1 square millimeter line, 1.5 square millimeter line, 2.5 square millimeter line ... ... for safety reasons, more convenient maintenance, power cord should be Bushings. In addition there are audio lines, signal lines and so on. The outlets are divided into 10a and 15a. There are also many brands and many counterfeits. Poor outlets are prone to accidents, and it is recommended to purchase them in a regular electrical appliance store. Electrical wiring projects require construction specifications to ensure safety and eliminate hidden dangers.
(3) floor base. There are two approaches to the base of solid wood flooring: one is laying wooden keels on the cement floor and finally nailing the floor; the other method is to lay a layer of blockboard on the keel first, or a wool floor, and then nail the floor, using this method The floor is evenly distributed and the structure is firm. The composite floor is easy to install and there are also two methods for the base: one is to make the leveling layer first, then lay the pvc cushion, and then lay the composite floor; the other is on the cement leveling layer, laying the wooden keel and the wool floor, and the two-storey composite floor.
(4) retaining wall base. Wall panels are flat and bumpy. The practice is to install a 30mm x 40mm wooden keel on the wall, and then ply the multilayer or blockboard on the basis of this, and finally nail the veneer plywood. In order to prevent mildew, a series of air holes with a diameter of 6 mm were opened on the panel wall.
(5) Door and window cover base layer. First arrange the keel, then nail the fine wood board, the surface with a plywood nailed nails to avoid future expansion.
(6) Ceiling basement. Ceiling materials are gypsum board, gray board, splint, aluminum alloy buckle board, plastic buckle board, frosted glass, stained glass, etc., keel wood keel and light steel keel. Cracking of ceilings often occurs, such as the use of elastic putty joints, and the application of nylon straps can improve this situation.
After the completion of the concealment project, it shall be checked and accepted to ensure that no hidden troubles are left. Only after passing the inspection can the follow-up construction be conducted. Otherwise, if problems are discovered in the future, they need to be reworked, which will not only affect the quality but also delay the construction period. Both the owner and the contractor will suffer losses.
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