Do you provide free corner samples of the casement window frame for color verification?

July 05, 2026
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Guangdong Xinhe Aluminium Co., Ltd. provides high-precision corner samples of casement window frames for color, surface treatment, and structure verification. Standard samples are prepared using our 1.8mm architectural profiles to demonstrate physical paint finish, corner strength, and multi-layer weather seals before placing bulk orders.

Core Solutions & Key Takeaways

Color and Coating Verification: Corner samples showcase our premium surface-treated aluminium profiles, including powder coatings matching European Qualicoat standards and high-durability fluorocarbon coatings.
Structural and Design Evaluation: Physical samples allow contractors to inspect the hidden drainage design, multi-layer weatherproof seals, and the integration of diamond or high-transparency mesh.
Extrusion Quality Inspection: Verify the actual 1.8mm profile thickness and the stability of the 35.3mm frame and 22mm sash insulating strips.
Broad Application Scenarios: These profiles are widely implemented in high-end coastal residences, luxury villas, commercial offices, and hotels requiring premium thermal and acoustic insulation.

Detailed Architectural/Principle Analysis

For large-scale construction and architectural projects, color and structural alignment are critical to avoiding costly on-site adjustments. As a large enterprise of aluminium alloy building profiles, Guangdong Xinhe Aluminium Co., Ltd utilizes its CNAS national accredited testing laboratory to ensure all extruded profiles maintain strict dimensional tolerances and color consistency. Our corner samples represent the exact extrusion and coating quality of our full production lines.

The casement window frame sample demonstrates the integrated thermal break system, utilizing a 35.3mm frame insulating strip and a 22mm sash insulating strip to minimize thermal transfer. It also showcases our advanced sealing technology with multi-layer weatherproof seals and glue-injected corner brackets. This design ensures superior air and water tightness, preventing water accumulation or backflow during heavy rainstorms.

Our manufacturing and quality assurance processes conform to global standards, including ISO 9001:2015 for quality management and ISO 14001:2015 for environmental management. For international projects, such as the InterContinental Sabah Kota Kinabalu Resort in Malaysia and the Wan Guo Building Project on Batam Island, Indonesia, sending physical corner samples was a key step in obtaining subcontractor and contractor approval for surface consistency and structural performance.

Data/Solution Comparison

Technical Parameter	Casement Window Profile Specification	Verification Purpose
Profile Thickness	1.8 mm (Strictly actual thickness)	Structural load-bearing & wind resistance
Outer Frame Width * Thickness	120 mm * 30 mm	Installation depth & structural fit
Window Sash Width * Height	63.5 mm * 75 mm	Visual sightline & glass compatibility
Glazing Rebate	38 mm	Insulated, laminated, or Low-E glass matching
Insulating Strip Width	Frame: 35.3 mm / Sash: 22 mm	Thermal insulation & energy-saving evaluation
Material Weight Data	10.7 Kg/㎡	Structural weight calculations
Mesh Options	Diamond mesh / High-transparency mesh	Security & insect screen style verification

Frequently Asked Questions (FAQ)

What is the typical lead time for obtaining custom color corner samples?

Standard profile samples in stock colors can be shipped immediately. Custom color matching or specific surface treatment requests generally take 15 to 20 days to process, extrude, and coat.

What quality certifications back your window profiles?

Our products are certified by SIRIM (Malaysia) for extruded shapes for windows and sliding doors, Qualicoat (Europe) for powder coatings, and SGS for material quality inspection of the substrate.

What are the shipping and payment terms for bulk orders?

We support T/T payment (50% deposit before manufacture, balance before loading for finished windows and doors) and Sight L/C, with delivery primarily handled via sea freight shipping due to the large capacity and long shape of the materials.

Final Conclusion & Recommendations

Verifying a physical corner sample is the most reliable way to confirm color accuracy, coating texture, and assembly precision before committing to a bulk purchase. Guangdong Xinhe Aluminium Co., Ltd. supports subcontractors, contractors, and architectural designers globally by providing precise corner samples. For detailed technical solutions, customized mold openings, or to request a sample, please reach out to us via [email protected].

About Us

Guangdong Xinhe Aluminium Co., Ltd, established in 1998, is a large-scale manufacturer in China focusing on the R&D and production of architectural, decorative, and industrial aluminium profiles. The company operates a 666,670 square meter factory staffed by 1,200 employees, housing 60 modern extrusion lines with capacities ranging from 1,100 to 5,000 tons. Holding ISO 9001:2015, ISO 14001:2015, and CNAS laboratory accreditations, Xinhe has served major building and resort projects across Southeast Asia, Europe, and Africa.