Bespoke Slimline Aluminium Windows For Trade
2.Size: Custom sizes
3.Color: Customizable
4.Certifications: CE, 3C, AS, CSA, ENERGY STAR
5.Suitable for: Commercial buildings, villas, hotel projects, private residential projects, etc.
6.Trade Terms: DDP, CIF, FOB, EXW, CFR
Shaanxi SGL Doors&Windows Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of bespoke slimline aluminium windows for trade in China, also supports customized service. Please feel free to wholesale high quality bespoke slimline aluminium windows for trade for sale here from our factory. If you have any enquiry about pricelist and quotation, please feel free to email us.
Bespoke Slimline Aluminium Windows for Trade & Commercial Projects
When you are specifying glazing for high-end residential developments or modern commercial builds, bulky frames simply do not cut it. You need maximum glass, minimal sightlines, and uncompromising thermal performance.
Our bespoke slimline aluminium windows are engineered specifically for architects, developers, and trade installers who demand precision. Manufactured to your exact project dimensions, these windows deliver the ultra-modern aesthetic your clients want, backed by the structural integrity and compliance you need.
Whether your schedule calls for standard fixed frames, custom sized aluminium tilt and turn windows, or heritage-inspired designs, we supply ready-to-install systems that keep your project on track and on budget.
Product Parameters
Note for Specifiers: All window configurations can be adapted to meet specific acoustic requirements or regional building regulations. Contact our technical team for custom CAD drawings.
| Specification | Parameter Details | |
| Material | Premium grade 6063-T5 extruded aluminium | |
| Profile Depth | 58mm / 70mm / 75mm (System dependent) | |
| Minimum Sightline | 43mm (Fixed) / 65mm (Opening) | |
| Thermal Performance | U-Values down to 1.2 W/m²K (Double) / 0.9 W/m²K (Triple) | |
| Glazing Options | 24mm to 44mm (Double or Triple Glazed, Acoustic, Solar Control) | |
| Maximum Sash Width | Up to 1200mm (Depending on hardware & configuration) | |
| Maximum Sash Height | Up to 2500mm (Depending on hardware & configuration) | |
| Finishes | Polyester Powder Coated (PPC) to marine grade (60+ microns) | |
| Hardware & Security | PAS 24, multi-point shootbolt locking, heavy-duty friction stays | |
| Configurations | Casement, Awning, Tilt and Turn, Fixed Picture, Bay |
Why Specify Our Aluminium Window Systems?
- Ultra-Slim Sightlines: Profile widths starting as low as 43mm to maximize natural light and deliver a premium architectural finish.
- Superior Thermal Efficiency: Fully thermally broken bespoke aluminium windows with polyamide breaks to eliminate cold bridging and achieve U-values as low as 1.2 W/m²K.
- Endless Customization: Available in over 200 RAL colors. Bespoke black aluminium flush casement windows (RAL 9005 Matte) are currently our most specified option for contemporary builds.
- Robust Security: PAS 24 certified and Document Q compliant, featuring multi-point locking mechanisms as standard.
- Trade-Focused Delivery: Delivered fully fabricated, glazed or unglazed, directly to your site with reliable lead times to prevent construction delays.









Product Application

Balcony

Villa

Living Room

Bedroom
Our factory







Customer visit




FAQ
Q: What is the standard lead time for bespoke aluminium windows?
A: For standard RAL colors (such as Anthracite Grey, Black, and White), our manufacturing lead time is typically 3 to 4 weeks. Custom RAL colors or specialized dual-color profiles usually require 5 to 6 weeks from the sign-off of the technical drawings.
Q: Can you match the sightlines across different window configurations?
A: Yes. Our slimline systems are designed with uniform outer frames. This ensures that whether you are installing fixed picture windows next to opening casements or tilt-and-turn units, the external sightlines remain consistent and architecturally clean.
Q: How much do bespoke triple glazed aluminium windows cost compared to double glazed?
A: Upgrading to triple glazing typically adds 15% to 25% to the total unit cost. However, the exact price depends on the overall dimensions, the specific glass specification (e.g., solar control or acoustic laminates), and the frame depth required to accommodate the thicker glass unit.
Q: Are your aluminium windows fully thermally broken?
A: Absolutely. Every aluminium window we supply features an advanced polyamide thermal break. This creates a barrier between the cold outside air and the warm inside air, ensuring full compliance with the latest Part L building regulations for energy efficiency.
Q: Do you supply unglazed frames for site glazing?
A: Yes. We can supply our bespoke frames unglazed with the glazing beads pre-cut and fitted. This is often preferred by commercial installers dealing with very large, heavy units or those who have their own direct glass supply chain.
Q: Can you manufacture curved or arched aluminium frames?
A: Yes, we have specialized bending capabilities. We can produce bespoke arched, circular, and raked (triangular) aluminium windows to suit unique architectural openings. Please note that curved profiles have a slightly longer lead time.
Q: Are your powder-coated finishes suitable for coastal environments?
A: As standard, our profiles are powder-coated to 60 microns. For projects located within 5 miles of the coast or in high-corrosion industrial areas, we strongly recommend specifying our marine-grade powder coating (pre-anodized with a thicker micron application) to ensure longevity and protect your warranty.
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