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HOLDER OF TWO RAL
MARKS OF QUALITY |
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Inles is
the only Slovenian manufacturer to have been awarded the RAL
Mark of Quality for wood and vinyl windows. The German RAL
Mark of Quality is the highest distinction in Europe in relation
to building materials.
Who is awarded RAL certification?
All RAL certified manufacturers have to demonstrate the quality
of their products for a number of clearly defined quality
requirements.
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Quality is being verified by:
- internal audits
- external audits carried out by an independent body (IFT, Rosenheim).
For quality checks, the RAL Mark of Quality holder has to be in
possession of own testing device, which by application of uniform
and objective criteria allows the following to be tested:
- functionality (closing and opening),
- water tightness, and
- air tightness. |
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