What wind load certification do these top-hung units have?

July 30, 2026
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These top-hung awning units do not carry a standalone wind load certificate, but their wind-resistant performance is verified through testing in a CNAS national accredited laboratory (CNAS L 10434). Additionally, they hold SIRIM certification (PC003807) for extruded window shapes and SGS material quality inspection (CANIN25009893001) to ensure structural substrate integrity under high pressure.

Core Solutions & Key Takeaways

Engineered Profile Thickness: Built with a 1.4mm main thickness aluminum extrusion, providing structural rigidity to resist wind-induced bending.
Virgin Alloy Substrate: Manufactured using solid 6063-T5 aluminum alloy, verified by SGS to contain zero recycled content, preventing premature structural failure during typhoons.
Comprehensive Testing: Verified in a national accredited laboratory for structural load-bearing capacity and air tightness, supporting safe usage in coastal residences.
Adaptable Scenarios: Designed for high-exposure environments, including coastal and riverside residences, hotel guest rooms, sunrooms, and commercial office buildings.

Detailed Architectural/Principle Analysis

The structural wind resistance of awning windows manufactured by Guangdong Xinhe Aluminium Co., Ltd relies on the mechanical properties of their extrusion profiles. The units feature a 1.4mm main wall thickness, resulting in a material weight of 12.39 Kg/㎡. This density determines the window’s resistance to deflection under localized wind pressure. In commercial high-rise projects, such as the Ooredoo Hulhumalé Office Building in the Maldives where 600 tons of profiles were supplied, using solid virgin 6063-T5 alloy ensured the overall frame remained stable and wind-resistant under extreme typhoon conditions.

To validate these properties, the manufacturer conducts performance testing in an independent, national recognized CNAS laboratory (Certificate CNAS L 10434). The laboratory evaluates the structural limits of the window sash (55mm width by 69.5mm height) and the 30mm glazing rebate. Furthermore, the SIRIM certification (PC003807) covers the extruded shapes for windows and sliding doors, confirming compliance with structural safety requirements. This is backed by SGS substrate inspections to guarantee that the alloy’s chemical composition prevents stress corrosion cracking in humid coastal climates.

Data/Solution Comparison

Technical Parameter	Specification Value	Verification & Compliance Standard
Profile Wall Thickness	1.4mm	CNAS L 10434 National Accredited Testing
Material Weight Density	12.39 Kg/㎡	SGS Substrate Quality Inspection (CANIN25009893001)
Extruded Shape Standards	Sash: 55mm * 69.5mm	SIRIM Certified (PC003807) for Windows & Sliding Doors
Glazing Rebate	30mm	Accommodates thick insulated safety glass
Quality Verification Process	100% Production Line Inspection	Laboratory Sampling & Incoming Raw Material Audit

Frequently Asked Questions (FAQ)

How does the virgin aluminum alloy affect wind load resistance?

Utilizing solid virgin 6063-T5 aluminum alloy ensures the window profiles maintain standard wall thickness and uniform material strength. This avoids the structural weaknesses found in recycled aluminum, preventing bending and deformation under high wind pressure.

What is the significance of the CNAS and SIRIM certifications for these units?

The CNAS accreditation (CNAS L 10434) verifies that the manufacturer’s laboratory meets national standards for rigorous quality checks. The SIRIM certification (PC003807) validates the extruded shapes for windows and sliding doors, ensuring compliance for export markets like Malaysia.

What are the primary applications of these high-specification top-hung windows?

These top-hung (awning) windows are engineered for bedrooms, kitchens, bathrooms, sunrooms, basements, and high-exposure sites like coastal and riverside residences, hotels, and office buildings requiring reliable weather tightness and wind protection.

Final Conclusion & Recommendations

When selecting top-hung awning units for high-wind environments, prioritizing certified structural specifications is critical. The 1.4mm profile thickness, coupled with CNAS-accredited laboratory testing, ensures these units deliver long-term durability. For commercial projects, procurement follows a standard process with a minimum order quantity (MOQ) of 500 sqm for windows, supported by a 15-20 day delivery timeline. Shipping is primarily handled via sea freight to accommodate long-shaped materials efficiently, with secure payment terms including T/T (50% down payment before manufacture, balance before loading) or sight L/C. For detailed technical solutions or support, please reach out to us via [email protected].

About Us

Guangdong Xinhe Aluminium Co., Ltd is a leading enterprise of aluminium alloy building profiles in China, specializing in the R&D and production of architectural, decorative, and industrial profiles. Established in 1998, the company operates across a vast factory area of 666,670 sqm and employs a team of 1,200 staff members. The facility houses 60 modern extrusion production lines with capacities ranging from 1,100 to 5,000 tons, generating an annual output of 200,000 tons. Holding ISO9001 and Qualicoat certifications, the brand has served prominent construction projects globally, including resorts and commercial towers in Malaysia, Singapore, and the Philippines.