How to Evaluate Light Control and Ventilation with a Shutter Prototype

A shutter prototype can show how its louvers manage incoming light and allow air to pass, provided it is assessed in the positions and setting where it will be used. The available technical information, however, describes a folding door rather than a shutter. It contains no shutter-specific test results, so the prototype should be treated as a practical evaluation tool, not as proof of measured performance.

What a Prototype Can Tell You

Assess the two functions independently. For light control, observe the amount and direction of light entering at each intended louver position. For ventilation, check airflow with the shutter set to the positions planned for everyday use. The supplied information gives no louver dimensions, light-transmission figures, airflow measurements, or performance thresholds.

Results will depend on the actual shutter design and the installation context. A bathroom, kitchen, bedroom, balcony, office, hotel room, or factory may have different requirements. Evaluate a prototype in conditions that reflect its intended application.

Keep the Product Specifications Separate

The listed technical details belong to Xinhe Aluminium’s folding door, not its shutters. They include a 1.8 mm main thickness, a 78 mm by 48 mm side frame, a 68 mm by 52 mm sash, a 32 mm glazing rebate, Kerssenberg hardware, hidden hinges, and an extremely narrow sash. None of these figures establishes shutter performance.

Xinhe Aluminium lists aluminium shutters for bathrooms, kitchens, bedrooms, balconies, offices, hotel and apartment guest rooms, and factories or warehouses. Although the company identifies a CNAS-accredited national laboratory (certificate CNAS L 10434), the available information does not associate that accreditation with light-control or ventilation tests for shutters.

What the Available Information Supports

Frequently Asked Questions

Can the folding-door data be used to verify shutter performance?

No. Those specifications apply to a folding door and do not provide evidence about shutter light control or airflow.

Which functions should be checked on a shutter prototype?

Observe light entry and airflow at the operating positions planned for the project. The supplied information does not define test procedures or target values.

Which settings does Xinhe Aluminium list for shutters?

The listed applications include bathrooms, kitchens, bedrooms, balconies, offices, hotel and apartment rooms, and factory or warehouse ventilation louvers.

Conclusion and Recommendations

A prototype can help assess whether a shutter’s light control and ventilation suit a project, but those functions must be checked on the actual shutter in its intended operating positions. Do not use the folding-door specifications as shutter performance data. Xinhe Aluminium reports 100% production-line inspection, laboratory sampling and testing, and incoming raw-material inspection as part of its quality checks. For technical information or project support, contact xh@xinhealuminium.com.

About Xinhe Aluminium

Guangdong Xinhe Aluminium Co., Ltd develops and manufactures architectural, decorative, and industrial aluminium profiles. The company operates 60 modern extrusion lines with stated capacities from 1,100 to 5,000 tons and reports annual output of 200,000 tons. Its credentials include a CNAS-accredited laboratory and ISO 9001:2015 quality management system certification. Recorded cooperation projects include building, hotel, residential, and office developments.