UltraSlim Sliding Door
|Where Architecture Disappears, Vision Begins|

With 30+ years of factory-direct experience, Ultra-Slim redefines minimalism through ultra-slim aluminum windows and doors. Our architecturally seamless frames dissolve boundaries between interior and exterior, maximizing natural light and views. Engineered for excellence, our systems deliver 45dB sound insulation, superior energy efficiency, and robust wind resistance—compliant with AS2047, AS1288 and CE standards. As the preferred partner for architects, builders, and project buyers, we specialize in OEM/ODM services and project-specific customization from our ISO-certified facility. Backed by Australian and European test reports with full engineering support, we ensure excellence for every build.

Share your drawings now for a fast quote and professional project-based quotation.

Slimline Sliding Door

Slimline Sliding Door

Designed for minimalist purity, this series achieves maximized, unobstructed views with ultra-narrow, nearly invisible frames.

High-Performance Windows & Doors

Engineered for the most demanding climates and Passive House standards, offering superior structural reinforcement and thermal integrity

Special-Shape Windows & Doors

The platform for unlimited architectural freedom, enabling dynamic, custom-engineered solutions, including pivot doors and curved glazing.

Alu-Clad Timber Windows & Doors

An aluminum-clad timber system blending the timeless warmth of authentic wood with the resilience of a high-performance, weather-resistant exterior.

Essential Windows and Doors

The platform for unlimited architectural freedom, enabling dynamic, custom-engineered solutions including pivot doors and curved glazing.

About Us
 

Why UltraSlim?

From design to installation, every step strict craftsmansjop standards to achieve the balance of purity and performance.

Own factory
ISO certification
10-year warranty
Excellent performance

Excellent performance

It combines thermal insulation, sound insulation, weatherproofing and compressive strength.

European craftsmanship

European craftsmanship

From profiles, hadrdware to assembly, all comply with international certifications.

Flexible customization

Flexible customization

Flexibly adapt to different building facades and construction needs to ensure that every detail is accurately implemented.

Trust cooperation

Trust cooperation

In-depth collaboration with architects, developers and construction teams to ensure that the project is implemented as before.

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Crafted with Purpose, Engineered to Last

As a leading manufacturer of aluminium windows and doors, our production factory combines European design with cutting-edge fabrication. Our engineering team ensures every minimalist system meets the highest standards of precision.

From sketch to calibration, every aluminium window and door is produced in our dedicated factory. We ensure absolute control over finishes and performance. This is not mass production—it is precision manufacturing, where hand-finished corners meet micron-level accuracy.

1995 Since

Since 1995, UltraSlim has been dedicated to the beauty of tranquil architecture.

20,000+

A 20,000-square meter modern workshop, specializeding in the manufacture of silent door sills.

500,000+

Capable of producing aluminum systems exceeding 500,000 square meters.

20+

We have a dedicated R&D department with a team of 20+ expert engineers.

The UltraSlim Custom Journey

Where Precision Meets Partnership
Drawing Confirmation

Discovery & Design Consultation

We begin with an in-depth dialogue to understand your architectural vision, site constraints, and performance requirements. Our engineers review your drawings and propose optimized solutions that balance aesthetics, structural integrity, and thermal performance.

Plan Approval

Technical Specification & Transparent Quotation

Based on your approval, we generate detailed technical drawings, 3D visualizations, and a fully itemized quotation—including U-values, wind load ratings, and material specifications—ensuring complete transparency before production begins.

Detail Quotation

Precision Engineering & Craftsmanship

Using CNC-machined aerospace-grade aluminum profiles and thermally broken systems, we manufacture each unit to exacting tolerances. Every component undergoes rigorous in-process quality checks to guarantee dimensional accuracy and finish perfection.

Mass Production

Fortified Packaging, Flawless Transit

Products are securely packed in reinforced timber crates or steel A-frames with protective foam wrapping and corner guards. Each shipment includes GPS tracking, insurance coverage, and dedicated logistics coordination to ensure safe, on-time global delivery.

Delivery Coordination

On-Site Integration & Lifetime Support

Our engineering team provides installation supervision, hardware calibration, and handover documentation. We remain your technical partner throughout the building lifecycle—offering maintenance guidance, spare parts, and performance verification whenever needed.

Application solutions

Designed for Discerning Minds, Engineered for Diverse Ambitions

Architect

From freeform curves to frameless façades, we turn radical concepts into buildable reality—backed by engineering rigor, performance validation, and seamless integration.

Builder

Consistent quality, transparent pricing, and logistics you can trust—so your schedule, budget, and reputation stay intact.

Owner

Your view, your light, your peace—tailored to your lifestyle with invisible frames, intelligent glazing, and flawless installation.

Featured Projects

From private villas perched on coastal cliffs to urban residences redefining city skylines—discover how UltraSlim transforms architectural intent into silent, seamless reality. Each project is a testament to what happens when vision meets invisibility.

Van Andel Institute | Resolving the "Glass Lab Paradox" for Rafael Viñoly

Discover how UltraSlim solved Rafael Viñoly’s "Glass Lab Paradox" at Van Andel Institute using Suspended Film Technology for extreme thermal stability in Michigan.

Defining the Skyline: The Glass Legacy of Sheraton Vancouver Wall Centre

Discover how UltraSlim principles engineered the iconic "Wall of Glass" for Vancouver's One Wall Centre. High-performance slim-profile glazing for luxury high-rises.

Fairmont Vancouver Airport: UltraSlim Acoustic Windows for North America’s Best Airport Hotel

UltraSlim’s acoustic windows at Fairmont Vancouver Airport deliver STC excellence. Learn how suspended film technology silences runway noise for luxury guests.

Ordos Ejin Horo Airport | The Crystalline Yurta

Reinventing the vernacular for extreme climates. Project Snapshot Location: Ordos City, Inner Mongolia Architect : China Architectural Design Research Group (CADG) Function : International Airport Terminal The Challenge : Creating a fully transparent glas

Latest news

6000+ practical application cases in various industries around the world

Selecting the Perfect Surface Finish: A Technical Guide by UltraSlim

Explore high-performance aluminum finishes from AkzoNobel, PPG & Tiger. Compare Powder Coating, Anodizing & Electrophoresis for durability and UV resistance.

The Transparency Paradox: Defying the 7-Star Energy Crunch

Don't sacrifice your view for NCC 2022 compliance. UltraSlim’s suspended film technology achieves U-Values as low as 0.5 to meet 7-Star energy requirements.

Engineering the Edge: Mastering Slimline Systems in the Pacific’s High-Wind Zones

Master extreme coastal storms with UltraSlim's high wind load sliding doors. Engineered for 2.0kPa+ pressure and AS2047/NZS 4211 compliant performance.

Partner Brands

Visit our FAQ page for more answers to your questions.

AkzoNobel
Haida
Honeywell
Quanex
Sobinco
Technoform
Tiger

Request Project Quotation

Share your project drawings, dimensions, and location today—our engineering team will review feasibility and provide a professional quotation within 24 hours.

Ready to bring your vision to life?

Partner with our experts today.

  • Tailor-make high-end windows and doors for bespoke residences and premium developments.
  • Get a complete custom fenestration solution engineered for your exact specifications.
  • Receive comprehensive technical support—from architectural integration and builder installation to long-term maintenance.
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