Everyone knows that door and window profiles are important main materials for doors and windows (besides glass and hardware). The profile determines the wind pressure resistance safety of doors and windows. The wider and ultra-high door and window openings are. , such as terrace doors and large flat-floor balconies with wide views. Such a large area and the wind volume in high-rise buildings are unimaginable. Therefore, the design and use of door and window profiles must take wind pressure safety into consideration, and take care of frequent use for decades.

GUTAN2020 fourth-generation screen-integrated broken-bridge aluminum casement window

Here we mainly talk about the broken-bridge aluminum profiles used in more than 80 years of aluminum alloy doors and windows on the market. Broken bridge aluminum profiles are aluminum profile combinations that use polymer materials (usually PA66 instead of PVC) to separate and connect aluminum alloys to reduce overall heat conduction (including sound wave conduction). The broken bridge aluminum profile divides the early full-body aluminum alloy profile into three sections (outdoor aluminum alloy polymer insulation strips and indoor aluminum alloy). It uses polymer partitions to achieve energy-saving and heat insulation performance, and at the same time, the indoor and outdoor aluminum alloys can be colored Different, thus achieving the decorative effect of different interior color personalities.

So from the structural characteristics of broken bridge aluminum alloy profiles, we can rationally and comprehensively see the advantages and disadvantages of the profiles, including safety, heat and sound insulation, surface aesthetics, and long-term weather resistance. Comprehensive judgment on several aspects of sex.

The first point to consider when it comes to profile safety: structural depth data

As long as you enter the Broken Bridge Aluminum Doors and Windows store, you will see a large number of 60, 75, 80, 90, 108, 118, The product name starts with 130, 160, 190, etc. These data are industry-conventional model specification labels, indicating the overall thickness of the frame scheme of this product. Simply put, the larger the data, the thicker the window (it may have better performance/more functions, but not necessarily).

Generally speaking, for the same inward-opening and inward-tilting window, 75 is larger than 60, which may be more energy-saving, safer and better; it is also an outward-opening window with integrated screen, and 120 is larger than 108, which may be more solid and more solid. Easy to use is better. But this is by no means certain. Design science is very important. For example, some 130-inch windows with integrated screens are not as good as 110-inch windows. What is the reason? This depends on the profile wall thickness data and cavity design.

Look at the second point for profile safety: wall thickness data

The wall thickness of aluminum profiles determines the stability, weight and material cost of door and window frames, and is an important variable in the cost of door and window projects. The wall thickness of door and window profiles usually has national safety standards. In the past few years, the state stipulated that the wall thickness of the window main body frame material of engineering doors and windows is 1.4mm, and the door wall thickness is 2.0mm. It is reported that new national regulations in 2021 will strengthen safety. The profile wall thickness is 1.8mm for windows and 2.2mm for doors. The relevant building facades show that the country attaches great importance to safety (especially the safety of high-rise residential buildings).

Especially now, the high-rise balcony window packaging market is booming. There are many high-altitude windows over 6 meters wide and over 2 meters high. In addition, many owners like floor-to-ceiling large fixed windows with wide views. The wall thickness of these door and window profiles (including structural depth) will inevitably put forward higher requirements. In the large-scale balcony group purchase project of Longhu Jiuli Qingchuan, the most commonly used ancient sandalwood doors and windows are 2.0 wall thickness 120 type screen integrated broken bridge casement windows (including outer casement windows and inner opening inward tilting windows), this Guangdong Xingfa broken bridge Aluminum is used in the balcony window solution that is over 8 meters wide and 2.4 meters high, making it more atmospheric, safe, durable and secure.

For profile safety and sound insulation, look at the third point: the number of cavities

Some windows look very strong on the outside, but when you tap lightly, they feel empty and empty. Because the profile wall thickness is thin and the cavity is simple, multiple independent cavities are not designed to improve sound insulation and strength. Many merchants like to use such profiles with large structural depth and thick appearance to attract safety-conscious customers. In fact, if the wall thickness is too thin and the cavity is too simple, there may be greater safety risks. For example, if it is equipped with large overweight glass (which will destroy the profile) Slowly compressed and deformed) causing serious safety hazards. If the profile has many cavities, PA66 insulation strips are of reliable quality and are relatively safer even if the profile wall is thinner. The profile design has many cavities, which will increase the weight and cost of the profile, but the energy saving, especially the sound insulation, of the profile will be significantly different.

For profile safety and heat insulation, look at the fourth point: polymer insulation strips

PA66 heat insulation strips use mechanical technology combined with composite means to connect the indoor and outdoor parts of the aluminum profile. , forming an overall thermal insulation profile, so that the thermal insulation strips and the aluminum alloy can jointly bear the load caused by the glass's own weight, wind pressure and temperature stress. Therefore, the quality of insulation strips directly affects the safety and durability of doors and windows. A good brand of thermal insulation strips, the quality of new nylon PA66 raw materials and the design of the thermal insulation strip cavity are important guarantees for the performance of doors and windows. Cheap and inferior PVC materials should be avoided. The raw material cost of waste nylon 66 is low, the processing temperature range is large, the breakage of the polymer chain results in a wide molecular weight distribution range, and the terminal leads to its physical and mechanical properties (such as tensile strength, impact strength, high resistance Low temperature performance, aging resistance, etc.) are unstable. PA66 thermal insulation strips are structural parts and connectors of thermally insulated aluminum profiles, and their quality determines the safety and long-lasting reliability of thermally insulated aluminum doors, windows and curtain walls.

Look at the fifth point for profile texture and weather resistance: surface technology

The surface technology of aluminum alloy profiles is an important part of the value of the profile. Large-scale standardized profile manufacturers mostly use a combination of industry aluminum ingot prices plus surface processing fees when quoting external prices. The profile surface technology is different, and the price of the profile and the cost of doors and windows vary greatly. The more mainstream surfaces on the market include powder coatings (powder coatings mainly include glossy and frosted surfaces, and are also divided into solid colors and texture transfers), fluorocarbon (fluorocarbon paint), electrophoresis and new ones in recent years. Porcelain swimming material. The surface color, texture, and texture of the profile can be freely chosen because everyone has different aesthetic preferences. Different surface varieties and different merchants have different pricing. Generally speaking, the better the texture (feel and touch with your hands), the more uniform the color of the surface, the thicker the paint film on the surface, the more expensive the profile, the more durable and beautiful it is, the paint does not peel off or fade, and the more corrosion-resistant and weather-resistant it is.

In the past few years, Guangdong door and window brands, led by Foshan, have jointly built a reputation of "Guangzhou Materials", and have achieved remarkable results in promoting local aluminum and door and window brands across the country. We must recognize the achievements and status of China's major aluminum province, especially a group of large-scale export-oriented enterprises and brands led by Guangdong Xingfa, Asia Aluminum, Jiamei, etc. Their profile production standards are based on huge investment in equipment, Based on strong R&D, professional technology and international standards, there are many enterprises of this scale. Communication and competition between them have promoted the continuous progress of the industry and gained considerable international market and status. Our Gutan doors and windows aluminum alloy series have long-term cooperation with Guangdong Aluminum (especially Xingfa Aluminum).

But it is worth mentioning that the thousands of aluminum profile manufacturers and brands in Guangdong can all be described as "a mixed bag" and "uneven". The word "Guangzhou material" can be said Easy, but consumers really have to take a closer look at profile quality. Whether aluminum profiles are made from Guangdong or local materials (in fact, each region has several brands that are exempt from national inspections, produce raw aluminum ingot extrusions, and have advanced surface technology), when we talk about door and window profiles, we must look at them pragmatically. , seeing is believing, listening is understanding. A good summary of broken bridge aluminum profiles is: solid and safe, energy-saving and sound-insulating, beautiful in texture, and durable and weather-resistant. To prevent being deceived by sellers, in addition to asking the profile brand manufacturer, you should also look at the profile specifications and depth, wall thickness, number of cavities, insulation strip composition or brand, surface craft type, surface color uniformity and paint film thickness like an expert.

GUTAN ancient sandalwood doors and windows 2019 broken bridge aluminum doors and windows to seal the balcony

When we buy doors and windows, regardless of the area and quantity, it is actually a whole project, and the door and window profiles can only be counted as one of the materials. an important component of. Door and window design, material configuration and combination of the three main materials, manufacturing and processing technology, and wall installation quality will all three-dimensionally affect the overall effect and quality of doors and windows. Choosing a door and window project is not as simple as buying a sofa and appliances perceptually. It involves the safety and waterproofing of the exterior facade, indoor sound insulation, heat insulation, mosquito protection, protection and aesthetic style, all of which require rational decision-making by the owner.