What is Aluminum Window Frame Kit?

2025,08,11

An aluminum window frame kit is a standardized set of components used for assembling or repairing windows. It typically includes aluminum window frame profiles, connecting brackets, sealing strips, hardware accessories (such as locks and hinges), and installation instructions. Its core design concept is to achieve quick installation and customization through modular assembly to meet the needs of various window sizes and styles.

1. Typical Components

Aluminum window frame profiles: Extruded, with a cross-sectional design that includes glass slots, drainage channels, and mounting points for thermal insulation strips.

Connecting brackets: Secure the profile corners, typically made of aluminum alloy or engineering plastic, ensuring structural stability.

Sealing strips: Made of EPDM (ethylene propylene diene monomer) or silicone, they provide waterproof, dustproof, and soundproofing.

Hardware: Includes locks, handles, hinges, and other accessories. Some high-end kits feature multi-point locking systems.

Installation accessories: Screws, expansion bolts, waterproof gaskets, etc., used to secure the window frame to the wall.

2. Types and Classifications

Based on application scenarios and design differences, aluminum alloy window frame kits can be categorized into the following types:

Classification by Opening Method

Casement Window Kits: Suitable for both internal and external casement windows, with profile cross-section design focusing on hinge mounting and wind bracing.

Sliding Window Kits: Include upper and lower rail profiles and require anti-derailment devices and furring seals.

Hung Window Kits: Top-hung or bottom-hung designs emphasize hinge load-bearing capacity and opening angle control.

Classification by Structure

Insulated Aluminum Kits: Connect the internal and external aluminum profiles via PA66 nylon insulation strips, significantly improving thermal insulation (thermal conductivity ≤ 0.8 W/m·K).

Non-Insulated Aluminum Kits: Single aluminum profile construction, lower cost but limited thermal insulation.

Classification by Application

Residential Kits: Emphasize aesthetics and cost-effectiveness, with surface finishes typically powder-coated or anodized.

Commercial Kits: Emphasize durability and safety, and may include bulletproof glass slots or escape mechanisms.

3. Material Advantages Analysis

The core advantages of aluminum alloy window frame kits stem from their material properties and optimized process:

Lightweight and High Strength

Aluminum alloy has a density of only 2.7g/cm³, approximately one-third that of steel. However, the extruded profiles achieve a flexural strength exceeding 200MPa, capable of withstanding strong wind pressure (such as in typhoon areas).

Corrosion Resistance

Anodizing creates a 10-20μm oxide film with a salt spray resistance of over 1000 hours, making them suitable for coastal or high-humidity environments.

Design Flexibility

The extrusion process allows for complex cross-sectional designs, such as:

Multi-chamber structures enhance thermal insulation;

Concealed drainage systems prevent rainwater backflow;

Rounded corners reduce safety hazards.

Environmental Protection and Sustainability

Aluminum alloy is 100% recyclable and its production energy consumption is only 60% of that of PVC, meeting green building standards (such as LEED certification).

Diverse Surface Finishes

Powder Coating: Offers over 200 color options with up to 10 years of weather resistance;

Wood Grain Transfer: Simulates real wood texture to meet decorative needs;

Fluorocarbon Spray: Strong self-cleaning properties, reducing maintenance costs.

4. Application Scenarios

Aluminum alloy window frame kits, due to their comprehensive performance, are widely used in the following areas:

Residential Buildings

High-rise Apartment Buildings: Thermally-insulated aluminum kits, combined with insulating glass, achieve energy savings of ≤1.8W/(m²·K).

Villa Renovation: Customized wood grain transfer kits complement retro architectural styles.

Commercial Buildings

Shopping Centers: Large-span sliding window kits, with a single sash load capacity of up to 300kg, meet lighting and ventilation needs.

Office Buildings: Concealed frame curtain wall window kits, combined with Low-E glass, reduce air conditioning energy consumption by over 20%.

Industrial and Special Applications

Cleanrooms: Antistatic powder coating kits, combined with sealing strips, meet Class 1000 cleanliness requirements. Coastal facilities: 6063-T5 aluminum alloy base with marine-grade anti-corrosion coating, passed ISO 9227 salt spray testing.

5. Selection Recommendations and Trends

Climate Adaptability Selection

Cold Regions: Prefer thermally insulated aluminum with a triple-glazed, double-chamber structure, with a Uw value ≤ 1.0 W/(m²·K);

Hot Regions: Use heat-reflective glass with a high-transmittance Low-E coating, with a SHGC value ≤ 0.3.

Intelligent Upgrades

Integrated electric window openers, wind and rain sensors, and app-based remote control enhance user convenience.

Sustainability Trends

The proportion of recycled aluminum alloy is gradually increasing, reducing the carbon footprint by over 30%.

Author:

Ms. Rebecca Lee

E-mail:

sale01@wddoorwins.com

Phone/WhatsApp:

+86 13502225784