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How to choose the 90 Series thickened single-opening aluminum alloy window? Who is it suitable for and who is it not suitable for?

This article provides a systematic path for procurement decisions, clarifying the core value and applicable boundaries of the '90 Series Thickened Single-Opening Aluminum Alloy Window' as the foundational high-performance option for standard projects. The article will guide you from understanding the product definition, gradually completing requirement matching and scenario assessment, and finally integrating it into an efficient procurement communication plan.

2026-07-13Read about 5 minutes
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Confirming the first step of the process: What is the core of the 90 Series thickened single-opening aluminum alloy window?

Before making a procurement decision, it is first necessary to define the core attributes of this window based on the product information. The name "90 Series thickened single-opening aluminum alloy window" directly relates to three key parameters: the window frame cross-section width, the profile thickness, and the opening method. Together, they determine the product's basic performance and applicable scenarios.

Extracting key decision points from the product information

According to the product specifications, the core parameters of this product are clearly defined as follows: Model is "90 profile single opening window", material is 6063-T5 aluminum alloy, and the reference profile thickness is 1.8MM. These are the primary criteria for evaluating whether the product matches project requirements, directly pointing to procurement decisions that require structural strength and durability.

The practical significance of the 90 Series and the 'thickened' feature

"90 Series" and "thickened" are key to interpreting the product's performance:

  • "90 Series"Usually refers to a window frame profile with a cross-sectional width of approximately 90 millimeters.A wider profile cavity generally means stronger structural load-bearing capacity, potentially accommodating thicker glass configurations, and is suitable for scenarios requiring higher stability.
  • "Thickened"Refers to a profile wall thickness of 1.8MM.Compared to the common 1.2MM-1.4MM wall thickness for ordinary household windows, this parameter directly enhances the rigidity and long-term durability of the window frame, making it a key point of focus for engineering or high-quality projects.
  • "Single-opening"Refers to a casement window type, which typically offers good sealing performance but requires space for opening.This belongs to the basic characteristics of window type definition.

In summary, understanding these three parameters is the first step in determining whether the product meets your project's basic requirements and on-site installation conditions.

Confirmation Process Step Two: How to match product information with my actual needs?

After obtaining the product information, the key is not passive reading, but actively cross-referencing it with your project details. This step guides you to align the core parameters in the information with your actual needs.

Product Adaptability Verification: From Scenario to Parameters

First, pay attention to the "Glass Configuration: 5+22A+5" in the information. This represents:

  • Two layers of 5mm thick glass.
  • A 22mm air layer in the middle (A represents the air layer).

This configuration provides basic sound insulation and thermal insulation performance, serving as a starting point for verification. You need to determine: Does this configuration meet your project's environmental expectations (e.g., noise, energy-saving requirements)? If not, you need to further confirm whether the product supports adjustment to a better glass solution (e.g., a thicker air layer or different glass type).

Parameter Difference Confirmation: Wall Thickness, Glass, and Customization Capability

The 'Reference Dimensions: 1000*1000mm' in the documentation is only an example, not a fixed finished product size. This raises two key confirmation points:

  1. Adjustability of Glass ConfigurationClearly inquire about the range of glass configurations supported by the product to confirm whether it can cover the specific requirements of your project.
  1. Customization Capability for DimensionsUnderstand the customizable size range of the product.You need to provide specific window opening dimensions (width, height) and confirm whether this series supports the structural and opening requirements for these dimensions.

Simple Checklist

  • Can the basic glass configuration (5+22A+5) in the materials meet your project needs?If not, are there adjustable options available?
  • Is the window opening size you plan to use within the product's customization support range?

Bringing these questions into communication with the technical or sales team can ensure the accuracy of requirement matching.

Confirmation Process Step 3: Under what circumstances should you choose or not choose this window?

Determining whether the 90 Series thickened single-opening aluminum alloy window is suitable for your project hinges on clearly matching the project goals and existing information with the positioning of this product.

Recommended Selection: Scenarios with Clear Goals and Information

  • Standardized Engineering and Bulk Procurement: When the project involves standard residential window configurations or engineering project procurement, and information such as drawings and dimensions is basically determined, this product serves as a reliable foundational solution.Its thickened profile (refer to 1.8mm) and standard glass configuration (5+22A+5) provide good structural strength and basic thermal insulation performance, making it suitable for sample confirmation and bulk orders.
  • Clear Basic Upgrade NeedsIf the project requires better sealing and strength than ordinary sliding windows, and has reasonable expectations for insulation and soundproofing (not extreme standards like passive houses), this product is a balanced choice between budget and performance.

Recommendation to Delay: Scenarios with Unfixed Needs or Excessive Expectations

  • Performance Requirements Exceed Product PositioningIf the project requires extremely high soundproofing and insulation performance (approaching passive house standards), or if the building's shape is very special and requires extensive custom modifications, this product as a standard series may not be the optimal solution.In such cases, higher-specification system window solutions should be considered, and the budget and timeline should be re-evaluated.
  • Core Needs Not SolidifiedIn the early stages of the plan, if core needs such as window size, opening method, or glass configuration are still changing frequently, it is recommended to first solidify the requirements.Premature selection may lead to increased complexity and costs due to subsequent changes.

The essence of selection is toadaptabilityandcostTrade-offs between them. This product provides an efficient and economical starting point for clearly defined standard projects.

Confirmation Process Step 4: How to Formulate the Final Procurement Plan and Take Action?

After completing data matching and scenario assessment, the information needs to be integrated into a clear internal proposal, which is a prerequisite for efficient supplier communication.

Integrate information to form a proposal checklist

Please prepare a simple internal confirmation checklist to align information and guide communication. The checklist may include the following items:

Item CategoryContent Example (Based on 90 Series Thickened Single-Open Aluminum Alloy Window)
Basic Project InformationUsage Scenario (e.g., residential/project), Opening Dimensions and Quantity
Confirmed Basic Product ParametersSeries (90 Series), Profile Thickness (1.8MM), Basic Glass Configuration (e.g., 5+22A+5)
Customization Items to be ConfirmedColor, Hardware Model, Special Opening Method
Main Performance ExpectationsBasic Sound Insulation, Thermal Insulation Requirements, etc.

Filling out this checklist can help you systematize your requirements. If your project documentation cannot fully cover special requirements (e.g., extreme climate, complex structures), it is recommended to proactively contact the current website team (Qinhan System Doors and Windows) at this stage to provide site condition information, allowing professionals to assist in confirming the final solution.

Next Step: From Internal Confirmation to Supplier Communication

Once the solution list is ready, you can proceed with procurement communication:

  1. Contact the SupplierThrough official websites or other channels, explain that you have prepared the basic solution.
  1. Submit the Solution and DrawingsClearly provide the list, project drawings (if any), and special requirements to the supplier, requesting a quotation based on this.
  1. Clarify Key Communication PointsConfirm that the configuration used for the quotation is completely consistent with your list, and understand the production cycle, sample confirmation process, and payment terms.

Frequently Asked Questions

  1. If my project has high performance requirements (e.g., coastal wind resistance), how should the checklist reflect this?

You can clearly list specific wind pressure resistance grades, air permeability, or water tightness requirements in the 'Key Performance Expectations' section. These are crucial for suppliers to assess whether the product can meet your project's boundaries and form the basis for customized solutions.

  1. Which 'Items to be Confirmed' in the checklist should be prioritized during communication?

It is recommended to prioritize confirming color samples, specific hardware models, and configuration options. These directly impact cost and the final outcome, and typically require more detailed customization information. You can directly ask the supplier during communication what specific options they can provide.

  1. If my project is still in the preliminary design stage and the information is subject to significant changes, is it meaningful to create a checklist now?

Meaningful. Even if the information will change, the process of organizing currently known and unknown items can help you clarify the key information that must be confirmed next, avoiding omissions of core issues when communicating with suppliers. You can treat the checklist as a dynamic document and update it as the project progresses.

Learn More

If you have already defined your project requirements or have any questions about the above selection logic, please feel free to contact Qinhan System Doors and Windows.Provide us with your project information along with this checklist, and our technical consultants will assess the suitability of the solution for you and provide targeted product configurations and quotations.

Related Products:90 Series Thickened Single-Opening Aluminum Alloy Window

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