An overall view of the open window system at 70 figureThe outer wall is very simple and complete
In modern home-sealed windows, old window replacements, commodity-bedging packages, and re-fitting projects, the 70-out window opener system is the classic aluminium breakout window type with high value for money, maturity for landing and the widest audience. Distinguished from the disadvantages of indoor space occupied by internal windows and of facade furniture, the 70-series open window is designed to be open to the outside, without the interior wall space, with an open interior view, perfect for most of the sub-areas outside the outer wall, and is the dominant window type for low-level, multi-layered dwellings, commodity houses, commercial shops and office buildings。
The external open window system, which is centred on a 70 mm standard frame transect, uses multi-caustic breakout aluminium structures, state-coded thermal insulation process, external safety hardware, multisealed waterproof designs, taking into account multiple performances such as energy saving, soundproofing, water resistance, wind resistance, and safe durability. The full upgrade of the 65 series of basic window-type performance is more pro-people than the one-window price, the combined price is far ahead of that of the vast majority of household and commercial scenes, and the bulk-based bursting system window of the door and window industry. A comprehensive analysis of the structural parameters, core advantages, applicable scenes, installation standards of the 70 open windows to meet user search and view and project procurement reference needs。

Overview of the product core
The external open window system, which is a nationally standardized cut-off aluminium system door and window, is 70 mm in width for the whole materials, is squeezed into one form using 6063-t6 high-precision primary aluminium alloy, and refuses to recover aluminium, poor impurity aluminium, stable structure, high hardness and high oxidation resistance. The windows are designed to be stand-alone multiple cavities, insulated cavity, drained cavity, reinforced cavity insulation, combined with pa66 nylon insulation to block cold and hot bridges, and structurally to address common external window leaks, water seepage, soundproofness, deformation, etc。
The core opening advantage of this section of the window is an open flat structure, with window windows open outward and completely outside the window, with zero occupancy of the interior space, without covering the curtains, ceilings, closets, furniture, and with no window restrictions on the interior layout. The design specifications of the outer wall of the building are also aligned, with the uniform layout of the outer surfaces, which meet the requirements of a uniform retrofitting outside the sub-district, with a simple atmosphere and a modern style of very simple, light luxury, medium style, etc。
The system uses a system-based set of fittings throughout its life cycle, with models, insulation strips, sealed glues, hardware, horn codes, water drainage packages that match accurately and are not commonly spattered, with all processes being standardized, air-classified, watery, wind-resistant, temperature-preserving, meeting national building energy efficiency standards, with a useful life exceeding normal non-standard windows。

Ii. Core parameters for standardized products
[multiple cavity structure, heat insulation, wall thickness specifics of window opening details 2:70]
Box cross-section: standard 70mm system cross-section, multi-vital layer structure, structural load strength
Type wall thickness: national indicator 1. 8 mm plus thick pyrophoric breakout aluminium, solid engineering level, anti-formation anti-wind pressure
Open with one-way open-out, customizing fixed windows, combined windows, multiple styles of open windows
Insulation configuration: widening pa66gf25 national insulation bar, vertical thermoline design, efficient blocking of cold thermal transport
Seal process: double-track epdm tri-dollar acec sealed glue, single-turned sulphide process, unbroken corner points
Drainage system: direct drainage + rain cover design for open windows, open drainage, wind-shield irrigation, rain infiltration
Glass configuration: two-storey, five plus 12a plus five, with choice of low-e plating membrane, thicker, tribble glass
Hardware fittings: dedicated crash-proof chain outside the national sign, multiple lock-up of hardware, security device for detachment, sound sound secure
Surface process: powder spray, fluorocarbon spray, wood-printing, shaving-resistant, long-term non-depletion
Iii. Core product advantages for the windows open system
1. Outdoor unoccupied space and household utility
This is the central advantage of opening windows in the 70s. The opening of internal windows will take up indoor windowsill space, which will be prone to drapes, cabinets, bedtops, resulting in the normal placement of items on windowsills. The 70 open windows are open outside, the windows are completely unshielded, the windows are freely accessible, the layout is more flexible, especially for bedrooms, study rooms, children's rooms, small-house homes, the interior is completely clean and the house is better occupied。
At the same time, the outside window is open in such a way as to have a good effect on the flow of ventilation, the window is open in such a large area, the indoor air cycle is fast, the interior is dry and wet and the four seasons of ventilation are balanced。
2. Double sealed waterproofing, without fear of stormy rain
The worst pain of many old-fashioned outside windows is the rain that seeps in the water and leaks in the windows. The external window opening system optimizes the drainage sealing structure, using a two-way closed ring seal system with high-quality acetylene seals, which are flexible, resistant to aging, resistant to rigid deformation, close behind windows and close to window frames, and eliminate leaks, ash and seepage problems。
The exclusive external drainage vents are accompanied by rain-proof dust cover, which can be quickly excreted when it enters the drainage cavity, effectively blocking typhoons and stormy weathers from pouring out, with watery grades well above ordinary impurities to open windows, suitable for a rainy, windy climate in the south, and completely resolving the problem of water permeability in the outer walls and windows。
[figure 3:70 open window gold, seal, defecation details, crash chain, seal tape close-up]
![[figure 3:70 open window gold, seal, defecation details, crash chain, seal tape close-up] [figure 3:70 open window gold, seal, defecation details, crash chain, seal tape close-up]](https://tp.hskxtmc.com/uploads/20261025/1-2610250R143951.png)
3. Breakout of bridge insulation for energy conservation, 4 seasons of constant temperature
The open window uses a professional multi-clave breakout insulation structure with pa66-heated nylon insulation, which completely separates the cold-hot conductive route of aluminium alloyed materials and avoids the loss of indoor and winter indoor heating through window frames during the summer。
To effectively address the problem of “cold winter summer, window frames” in conventional aluminium alloy windows, significantly improving thermal insulation of doors and windows, reducing air conditioning, heating energy consumption, matching the energy-saving home-loading needs of modern buildings, long-term use of energy conservation and conservation, and effective home comfort。
4. Silent soundproofing, homeless environment
The opening of windows outside 70 houses has excellent soundproofing features for street, district and commercial perimeters. Medium- and steel-based glass with a double-lane seal structure effectively disrupts air transmission and suture noise, cutting off 30-38 minutes of noise from the outside and easily blocking traffic flow, human noise and noise。
Quietly closed indoors after closing windows, effectively addressing the high noise and dust levels of the adjoining houses and creating a quiet, clean and comfortable indoor environment for homes and offices。
5. Safe crash design, high-level low-level generic
The most important concern for outside windows is security, with the opening of windows outside paragraph 70 being accompanied by the opening of the safety chain and multiple locks of the security structure to prevent the fall of windows and high-altitude crashes. The hardware has been tested tens of thousands of times, solid, smooth and smooth, and will not be used safely at the upper and lower levels, such as windows that are loose, down, and cardon。
At the same time, the closure is strong, the security of the home is strong and the household safety factor is effectively raised, taking into account both protection and protection against theft。
6. Accomplishment of all types of buildings
The fact that the outside window lines are simple and straight, that the outer surface is flat and clean, that there are no additional embossed structures, that they conform to the uniform external surface restoration criteria of the sub-regions and do not affect the overall beauty of the building. A variety of colour techniques are available, such as sand as ash grinding, dark deep space, ivory white, logline, etc., perfect for different building styles such as commercial houses, self-built houses, office buildings, commercial shops, etc., and long-lasting renovations。

Iv. Applicable context
Home-filled housing scenes: new window seals in the subdistricts, replacement of old room windows, bedrooms, studyrooms, bathrooms, window openings outside the kitchen are customised for low-level, multi-layered, small-level households。
(c) commercial scenes for the assembly of works: a mass of windows and windows in apartment buildings, writing buildings, schools, hotels, residential buildings, shops, factory buildings, etc。
Special environmental scenarios: noise sections on the street, wet and rainy areas, various types of households that need to keep indoor space clean and windowsills fully utilized。
V. Standardized installation and quality assurance
High-quality door and window three-point product, seven-minute installation, and standardized system door and window construction process for the full opening of windows. Construction masters are able to access holes, calibrate wall verticals and sizes, and customize the programme to be open according to the household type; the installation process is based on fixed sheet reinforcement, high-density bubble filling, external wall resistance adhesive seals, multi-layer waterproofing, and elimination of lateral water seepage and laxity。
Once the installation is complete, the hardware is debugged, the locks are loose, the sealing level is checked to ensure that it is open and secure, the site is cleared and the routine maintenance method is advised. The whole product type is corrosive, anti-aging, non-conformable, full hardware fittings, long-term use of stable durables, and no worries。
"figure 4:70, multiple-house open windows, full-viewed bedrooms, study rooms, exterior walls."

Vi. Product summary
The 70 external window opening system is the classic high-value window type for the door and window industry, with 70 mm gold cross-sections with multiple cavity break-bridge structures that integrate water protection, sound insulation, heat insulation, safety, pigmentation and utility. Outdoor designs do not occupy indoor space, window stands are well used to address the pains of internal window openings, while external windows can be opened much more frequently than usual, and problems such as leaks, water seepage, high noise and energy inefficiency are addressed。
Whether home-grown renovations, old door and window renovations, or bulk-loading projects, 70 external window opening systems meet the demand for use at modest prices, stable performance, and a wide range of colours, are now the most widely recognized and standardized window breakout systems in the market。



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