Picking doors as important rings for decoration requires comprehensive consideration of materials, performance, workmanship and usage scenarios. The following is a shopping guide for novice novice, combining professional skills and suggestions to help you make reasonable choices:
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### **1. Material selection: Determine the type according to needs**
1. **Door and window frame material**
– **Alloy Alloy**: It has corrosion resistance, high performance, but average heat and sound insulation, suitable for scenes with limited budget and low performance requirements.
– **Blocking Aluminum**: Add heat insulation strips to the aluminum alloy foundation to balance heat insulation and durability, suitable for medium and high-level residential buildings that have certain requirements for temperature maintenance.
– **Plastic steel**: The best temperature and sound insulation effect are suitable for cold areas or high-demand houses, but long-term use may age and deform.
2. ** Materials**
– **Enterprise door**: It is safer to choose C-level lock core; if the door provided by the developer is of grade A/B, the door can be retained but the lock core can be replaced.
– **Indoor door**:
– **Tire wood door**: sound insulation is good, but the price is high;
– **Tire wood fitting door**: high price ratio, please pay attention to whether the internal filling is a bridge hole force panel (sound insulation, strong impact resistance);
– **Beech paper door core**: sound insulation is good but the strength is low, suitable for situations with extremely low budget.
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### **2. Performance indicators: wind resistance, sound insulation and sealing**
1. **Style resistance**:
– High-level residential buildings need to be noted, and the profile thickness is the key (such as the wall thickness of the main stress rod of the aluminum alloy window ≥1.4mm, door ≥2.0mm).
– High strength materials such as pine aluminum alloys are more suitable for resistance to strong wind.
2. **Sound insulation and temperature maintenance**:
– **Glass selection**:
– **Clamp glass**: The best sound insulation effect is suitable for streets or noisy environments;
– **Insulated glass**: Defend high frequency noise (such as human voice), suitable for indoor partitions;
– **Vacuum glass**: Good sound insulation but requires air leakage, suitable for outdoor windows.
– **Seal design**: Check whether the sealing strip is flat and has no grooves, and there is no clear gap between the fan and the frame when closed.
3. **Watert tightness and air tightness**:
– Flat open windows have better sealing than push-pull type, and flat open type is recommended for outdoor windows;
– Double-layer or three-layer hollow glass with drying agent can effectively prevent moisture.
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### **3. Process and details: Quality inspection points **
1. **Surface and workmanship**:
– Observe the surface of the door and window without any traces or color difference, and there is no glue water overflowing at the contacts;
– The touch is smooth and the hardware is firm and not loose.
2. **Hardware Accessories**:
– Hardware such as chains and handhelds directly affect the life of use. It is best to choose well-known brands (such as Hoppe and Noto in Germany);
– The sliding door window needs to be tested for sliding sliding.
3. **Installation art**:
– The measurement hole size must be accurate to avoid installation failures due to errors;
– The sealing glue is filled in place, and there must be a pad (such as rubber strips) between the glass and the profile.
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### **4. Practical suggestions for avoiding pits**
1. **Budget allocation**:
– Distribute budget reasonably and avoid blindly pursuing low prices (such as the core of bee-papers is prone to damage) or excessive consumption (the wooden door may not be suitable for all households).
2. **Brand and after-sales**:
– Choose brands with correct standards and inspection reports, and take priority in considering service providers that provide quality insurance for more than 5 years.
3. **Scenic scenes are suitable**:
– The rainy areas in the south pay attention to water tightness, while the cold areas in the north pay attention to warmth;
– The residents in the street are preferred to put glass + flat window combinations.
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### **Total**
Door selection requires comprehensive considerations in terms of material, performance, and craftsmanship, and make choices based on your own budget and living environment. It is recommended to check the sample in practice, test the flexibility and sealing, and retain the express quality warranty terms of the contract. If the measurement or installation is inconclusive, you can contact professional staff to avoid later rework.
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