Slim-Frame Aluminum Window

Vallisco: Your Trusted Partner for Slim-Frame Aluminum Window Manufacturer
Vallisco provides a refined collection of slim-frame window systems designed for residential, commercial, and architectural use. Engineered for sleek aesthetics and long-term performance, our windows complement modern design preferences while meeting diverse climate and installation needs.
Produced with advanced composite and aluminum-based materials, each product is crafted with precision in China and tested for structural reliability, thermal efficiency, and ease of integration. Our streamlined frames enhance natural light without compromising on durability or function.
As a trusted manufacturer, Vallisco delivers customizable, design-forward window solutions trusted by builders and developers seeking quality, flexibility, and visual harmony.
Custom Slim-Frame Aluminum Window for Your Project

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Product Specifications You Should Know
①Type & Dimensions
Category | Parameter | Details / Options |
Type | Frame Style | Slim-frame / Narrow profile |
Operation | Casement / Sliding / Tilt & Turn | |
Opening Direction | Inward / Outward | |
Dimensions | Width Range | e.g. 0.6–2.4 m |
Height Range | e.g. 1.0–3.0 m | |
Frame Depth | e.g. 45–70 mm | |
Glass Thickness Range | e.g. 24–32 mm | |
Installation | Clearance | Top & side clearance as required |
②Materials & Performance
Category | Parameter | Details / Options |
Materials | Frame Composition | Aluminum alloy (non-pure) / Composite |
Thermal Break | Polyamide strip | |
Glass Type | Double / Triple Glazing | |
Spacer Type | Warm-edge spacer | |
Performance | Thermal Insulation | U-value ≤ 1.6 W/m²K |
Sound Insulation | ≥ 35 dB | |
Wind Load Resistance | Up to EN12210: Class C3 or higher | |
Airtightness | EN12207: Class 4 | |
Water Tightness | EN12208: Class E900 |
③Appearance, Automation & Other
Category | Parameter | Details / Options |
Appearance | Standard Colors | White / Grey / Black / Custom RAL |
Optional Finishes | Matte / Textured / Anodized | |
Handles & Hardware | Matching or contrasting finishes | |
Automation | Smart Options | Optional motorized / app-enabled systems |
Others | Durability | Tested to ≥ 20,000 cycles |
Warranty | e.g. 5–10 years | |
Packaging | Reinforced cardboard / Wooden crate (custom) |
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We offer a full range of aluminium windows and doors and other window types designed for residential and commercial projects. Our products combine functionality with a modern aesthetic and can be tailored to project-specific requirements and international standards.
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How to Get Your Custom Window Solution
01 Talk to Our Experts
We listen to your project needs and goals to suggest the most practical window system for your market.
02 Get a Tailored Quote
Receive a detailed quotation with system options, material specs, and performance features, all based on your project drawings and specific requirements.
03 Review Samples First
We send samples of colors, materials, and designs so you can check the quality and finish before moving forward with production.
04 Confirm and Produce
Finalize technical details, sign the contract, and begin production in our facility with a clear delivery schedule to meet your deadlines.
05 Inspect and Deliver
Each order goes through strict quality checks, secure packaging, and smooth delivery to your jobsite or warehouse, ready for installation.
06 Count on Ongoing Support
From installation tips to technical help, our team stays with you every step of the way—even after the windows are delivered.
Common Questions About Slim-Frame Aluminum Window
We offer a variety of slim-frame window styles, including casement, sliding, and tilt-turn options. Each is designed to enhance natural light and modern aesthetics.
Yes. All Vallisco windows are custom-made to fit your exact dimensions, opening types, finishes, and design preferences. Options vary by project needs and climate.
Our windows are made from carefully selected aluminum-based and composite materials, offering a balance of durability, thermal performance, and clean appearance.
Absolutely. Our systems are built with insulated glazing and energy-efficient framing to help control indoor temperatures and reduce outside noise.
Yes. Vallisco windows are designed for long-term use with minimal maintenance. Occasional cleaning and hardware checks will keep them operating smoothly.
Yes. We offer ongoing support, including installation guidance, product warranties, and technical assistance to ensure satisfaction throughout your project lifecycle.
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Vallisco — Performance You Can See. Quality You Can Trust.