Winter is being renovated by the owners know? There are six major categories of construction materials because of environmental protection or safety issues are no longer suitable for use in home renovation! However, many decoration teams are still trying to use cheap, this will give you love with home decoration A lot of hidden dangers! Below, teach you to use tricks to identify the elimination of building materials.
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First, resin rock wool
Appearance: pipe insulation or insulation wall.
Prohibited reasons: poor insulation effect, large energy consumption in the production process, and great harm to workers' health during construction.
Alternative materials: polyurethane insulation pipe, rock wool insulation pipe and glass wool insulation pipe. Home use more mineral wool, that is, glass wool insulation pipe, insulation effect is good.
Tip: This material will still be used by the guerrillas and can be seen through the look: resin rock wool looks rough and has earthy colors; glass wool has yellow color and exquisite workmanship.
Second, incandescent lamps, halogen lamps
Prohibited reason: This kind of illuminating light source that emits light by heating tungsten wire has high energy consumption, short life span, high temperature, low light efficiency and poor safety.
Alternative materials: energy-saving lamps, LED lamps and other green lighting products. Xi'an Decoration Company Donghao Decoration
Third, non-alkali glass fiber mesh cloth
Appearance: Before painting, apply to the wall to prevent cracking.
Prohibited reason: The mortar layer is an alkaline material, and this kind of cloth has poor alkali resistance and is easily damaged. It cannot meet the crack resistance requirements of the mortar layer.
Alternative materials: glass fiber mesh cloth that meets alkali resistance requirements, and frequently used in home improvement are white cloth, kraft paper, etc.
Some small companies or guerrillas will still use non-alkaline fiberglass mesh cloth, the owners can feel and judge by hand touch, this cloth is very soft, after the open, the exposed glass filaments shine.
Fourth, cold galvanized steel pipe, non-galvanized steel pipe appears: water supply system piping
Prohibited reasons: The pipeline is easy to rust, affecting the quality of drinking water, easily damaged heat metering and temperature control equipment.
Alternative materials: hot-dip galvanized steel pipe, copper pipe, stainless steel pipe, new plastic pipe.
Home improvement uses hot galvanized steel pipe, PPR pipe, PE pipe or copper pipe. Be wary of some decoration teams using cold galvanized pipe counterfeit hot galvanized pipes. In general, the cold galvanized tube coating has a poor gloss and is relatively thin; while the hot galvanized tube has a sleek coating that looks thick and feels like a touch.
Fifth, simple double glass doors and windows, ordinary push-pull aluminum alloy window
Appearance: In bungalows, suburban rooms or small kitchens.
Prohibited reason: This type of window has poor airtightness, waterproofness, heat preservation and heat insulation and cannot meet current building energy efficiency design standards.
Alternative materials: Use of insulating glass, insulated aluminum alloy profiles, multi-cavity structural plastics and other profiles to meet the energy-saving standards of doors and windows.
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