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VELUX Quality



Quality requirements
Quality is a major priority at VELUX and we devote extensive resources to testing, quality control and market testing to ensure that our products meet all quality requirements.

In our test department, products are continuously exposed to a variety of tests as an integral part of our efforts to develop and improve our products.

We expose our products to extremes of climates and expect them to function perfectly in constant daily use, year-in, year-out.

We encourage our customers to expect the very best and back our production with fair guarantees.

ISO 9001
The VELUX factories have been certified according to ISO 9001, and a roof window is designed and manufactured in accordance with relevant international standards.

In specific areas, such as watertightness, VELUX has introduced its own standards that are stricter than international standards.

In the countries where VELUX was first established, it is still possible to find working windows that were installed more than 40 years ago - the best possible proof of durability.