The "90 Series" is a common specification identifier in system windows, typically referring to a window frame profile width of the 90-millimeter class.The core feature of Qinhan System Windows and Doors' 90 Series single-opening aluminum alloy windows is the use of 6063-T5 aluminum alloy profiles with good mechanical properties. They also offer common configurations such as a 1.4-millimeter wall thickness and 5mm+22A+5mm insulated glass (where 22A refers to a 22-millimeter air gap), which form the basis for their thermal insulation, soundproofing, and air-tightness performance.
This type of window primarily addresses the following procurement needs:
- Residential Project Window ConfigurationSuitable for conventional projects like apartments and residences, providing basic thermal insulation and soundproofing for spaces such as living rooms and bedrooms to meet general requirements.
- Bulk Procurement for Engineering ProjectsIts standardized profiles and specifications facilitate unified design and bulk ordering in projects like office buildings, schools, and hotels, helping to control the overall budget.
- Channel Selection ConsiderationsAs a versatile, standard-specification basic window type, it is easy for dealers to recommend to end customers, with the balance between performance and price being its core selling point.
In summary, the 90 Series single-opening window provides a reliable basic solution for budget-sensitive procurement needs in standardized opening projects.
Before purchasing the 90 Series single-opening window, a precise understanding of the on-site conditions is fundamental to ensuring smooth installation and achieving the expected performance.The following are two core confirmation items that must be repeatedly verified with the construction team or architectural drawings.
Confirmation Item One: Window Opening Dimensions and Squareness
Measurement ContentThe width, height, and the lengths of the two diagonals of each window opening must be precisely measured.
Why It's CriticalThe window opening dimensions directly determine the custom specifications of the window.Any measurement or construction deviation may result in the window being impossible to install, or requiring on-site forced insertion or cutting, which will damage the coating of the profile, affect long-term sealing performance, and significantly increase installation costs and time.The diagonal difference is used to determine whether the window opening is square; a larger deviation (for example, exceeding 5 millimeters) requires squaring treatment before installation, otherwise it will cause uneven stress on the window frame.
Risks of Missing InformationWindows produced based on incorrect dimensions may, in minor cases, have excessive gaps after installation, affecting aesthetics and insulation;in severe cases, they may be completely impossible to install, leading to project shutdowns, order cancellations, and rework.
Key ActionsThe reference dimensions in the product specification sheet (such as 1000*1000mm) are for example purposes only.The final order dimensions must be determined based on the actual measured data for each window opening at the project site.Before making an inquiry, please ensure your data is within the supplier's acceptable tolerance range.The technical team at Qinhan System Windows and Doors can assess the feasibility of customization based on the actual measured data you provide.
Confirmation Item Two: Wall Conditions and Installation Interface
View Content: The flatness, verticality, and material of the wall surrounding the window opening (e.g., concrete, brick wall, light steel keel, etc.).
Why It's Critical：
- Flatness and Verticality: Directly affect the size and uniformity of the gap between the window frame and the wall.Uneven walls can lead to uneven sealant filling, creating weak points for future water seepage and air leakage.
- Wall Material: Different materials require different fixing methods (such as chemical anchors, mechanical anchors) and load-bearing calculations.Incorrect fixing methods can severely compromise the window's wind pressure resistance and long-term safety.
Risks of Missing Information: After installation, leaks are likely to occur at the joints between the window frame and the wall, especially during windy and rainy weather;the window sash may not open or close smoothly due to uneven stress on the frame;there are safety hazards in extreme weather conditions.
Key Actions: During the procurement communication phase, photos or descriptions of the on-site wall conditions should be provided to the supplier.Qinhan System Windows and Doors can provide corresponding installation interface flatness requirements and installation scheme suggestions for different wall types.
Pre-Purchase Self-Check List
Before contacting the supplier, please prepare the following information:
- Three-dimensional measured data for each window opening: width, height, diagonal difference.
- Wall type description and on-site photos: clearly reflecting the situation around the window opening.
- Clear tolerance issuesPreparation for consultation: What are the allowable dimensional tolerances and maximum wall flatness deviations for the 90 Series single-opening window?”
| Confirmation Items | Measurement/Inspection Content | Decision Impact | Risks of Missing Information |
|---|---|---|---|
| Window Opening Dimensions | Width, Height, Diagonal Difference | Determines custom specifications and installation feasibility | Installation failure, increased cost, project delay |
| Wall Conditions | Flatness, Verticality, Material | Determines the installation method and long-term sealing safety. | Leakage, difficulty in opening/closing, safety hazards. |
To determine if the 90 Series single-opening window is suitable for your project, the core is to match your on-site conditions, performance requirements, and the product's basic characteristics.Below is an analysis of common applicable and non-applicable scenarios.
Scenarios Suitable for Considering the 90 Series Single-Opening Window
When your project requirements align with the following characteristics, the 90 Series single-opening window is a basic option worth prioritizing for evaluation:
- Standardized or regular openingsThe window opening dimensions are relatively conventional, or although there are customization needs, the shape is regular (e.g., rectangular).The product supports customized processing based on drawing dimensions and can adapt to most conventional residential and engineering window openings.
- Basic performance requirementsThe project needs to meet common requirements for thermal insulation, sound insulation, and air tightness.Its reference configuration (such as 5+22A+5 insulated glass) provides a balanced foundation for physical performance.
- Budget and batch considerationsThe project is in a cost-sensitive phase, or requires bulk procurement.As a basic series, its cost-effectiveness is an important consideration while ensuring the reliability of the core material (6063-T5 aluminum alloy) and structure.
Scenarios requiring evaluation of alternatives or special treatments
In the following situations, you need to evaluate more carefully or seek a more professional configuration solution:
- Irregular or oversized openingsIf the opening is irregular, such as circular or arched, or if a single sash area far exceeds conventional dimensions, the structural strength and hardware load-bearing capacity of the 90 Series single-opening window may be insufficient.In this case, it may be necessary to evaluate a larger series (such as the 100 Series) or adopt a different opening method.
- Strict requirements for opening spaceA single-opening window (casement) requires space when opening inward or outward.If the installation location has strict limitations on the net opening space, you need to confirm the specific opening angle and space requirements.
- Pursuing specific high performance or appearance: If the project goal is to meet passive house standards, achieve extremely high sound insulation, or requires specific aesthetic designs like narrow frames, the basic configuration of the 90 Series may not directly meet the needs, and you will need to look for higher-specification product lines.
Notes on Non-Standard Sizes: The 90 Series single-opening window supports customization, so a 'non-standard' opening size is not completely unusable.However, you need to confirm: whether the customized size is within the processing range of the profile;non-standard glass may increase cost and lead time;oversized dimensions may affect the window's operating feel and long-term stability.It is recommended to provide your specific dimension drawings to the technical team of Qinhan System Doors and Windows to assess feasibility and the optimal configuration plan.
After collecting the on-site information, you can follow the following three-step decision-making process to ensure each step is evidence-based.
Three-Step Decision-Making Method
- Information Self-Check and Preliminary Comparison: First, verify your core on-site conditions, focusing mainly onWindow Opening Dimensions and Squareness、Wall Type. Compare the self-check results with the common characteristics of this product (such as 90mm frame width, 1.4mm profile wall thickness) for a preliminary comparison.
- Assessing FitDetermine if your project requirements (e.g., residential, standard engineering) align with the product's basic positioning, and if there are no stringent demands for special performance or appearance.
- Determine Next Steps：
- If conditions are clear and basically matchYou can proceed to the budget preparation and supplier communication stage, focusing on inquiring about business information such as price and delivery time.
- If there are discrepancies, uncertainties, or customization needsIt is strongly recommended to bring specific data and questions to seek technical confirmation from a professional supplier.
When to Consult a Supplier for Solution Confirmation
When you encounter the following situations, it is recommended to provide specific data and a list of questions to professional suppliers like Qinhan System Doors and Windows for confirmation:
- The window opening dimensions differ significantly from standard sizes, requiring confirmation of customization feasibility and structural strength.
- There are specific requirements for profile wall thickness and glass configuration (such as triple glazing with two cavities, Low-E coating) that differ from standard configurations.
- The project location has special climate requirements (such as high wind pressure in coastal areas, insulation in extremely cold regions).
Making bulk purchases based on experience or unconfirmed parameters may lead to installation issues or performance not meeting standards.Consulting with a clear list of questions is an effective way to obtain reliable solutions and accurate quotations.
Frequently Asked Questions
Is the 90 Series window suitable for regions with large temperature differences, such as the Northwest or Northeast?
The 90 Series system windows typically feature good thermal insulation and sealing design, making them suitable for climates with large temperature differences.However, to confirm whether the specific thermal insulation performance meets the energy-saving standards of your project's location, it is necessary to combine local regulatory requirements and have the supplier provide detailed thermal calculation data for verification.
If my opening dimensions are much smaller than the reference dimensions, can I still use the 90 Series?
The product reference dimensions are for illustrative purposes only.For non-standard dimensions (whether larger or smaller), the key is to confirm whether the structural strength of the customized window frame is sufficient.You will need to provide specific dimension drawings for the Qinhan System Doors and Windows technical team to assess whether the profile structure can provide support, as well as to develop the corresponding processing and installation plan.
What information should I prepare before consulting the supplier?
It is recommended to prepare: 1) Clear opening dimensions (width, height) and photos of the wall;2) Project location (involving wind pressure calculation);3) Desired glass and profile parameters (if any);4) Special performance requirements (e.g., sound insulation decibel value, anti-fall).This information helps suppliers quickly provide accurate technical and commercial assessments.
Should you purchase sample windows for confirmation first, or request a bulk solution directly?
For important projects or non-standard customization, confirming samples is an effective way to evaluate product details, craftsmanship, and actual fit.You can communicate with Qinhan System Doors and Windows regarding the sample window's configuration, cost, and production cycle, then decide on the bulk solution.
Learn more
Choosing the right window starts with a precise understanding of the site.After you have completed your initial self-assessment, you are welcome to submit specific information such as window opening dimensions and wall conditions to us. The technical team at Qinhan System Doors and Windows will evaluate the suitability of the 90 Series single-opening window for you and provide targeted configuration and installation recommendations.
Related Products:90 Series Single-Opening Aluminum Alloy Window