Quality products for the building industry are recognisable
by the KOMO quality mark

Products with a KOMO quality mark have been objectively tested and approved. Time and time again.
With KOMO you are certain: This is quality as promised. For instance, in the categories below.


Wood products in the building industry

Wooden (semi)finished products for the building industry, such as prefabricated wooden facade elements and doors.


Coatings and sealants

Professional coatings and sealants for all types of surfaces.


Concrete and concrete products

Raw materials and additives for concrete; concrete products, such as concrete pipes and wells.


Bitumen roof coverings

Bitumen roof coverings for both flat and sloping roofs.

KOMO certificate holders provide quality
for building and infrastructure

The KOMO quality mark is the top quality mark for the building and infrastructure sector. KOMO certificate holders distinguish themselves by getting their quality objectively tested by independent experts. Would you also like to be KOMO certified? Then watch the video clip.


Why getting KOMO certification now pays off more than ever before!

August 14, 2019

The Netherlands gets a new building system. Different legislation, which is an incentive for the application of products and building processes with quality that is tested and assured in advance. The market will therefore honour objectively tested quality even more. So acquiring KOMO certification is now more rewarding than ever.

Working together under the new regulations
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Building sector wants sealants and adhesives with KOMO quality mark

August 14, 2019

“The building sector requires elastic sealants and adhesives that are accompanied by the KOMO quality mark. With the KOMO quality mark clearly visible on the packaging. Experts perform regular tests on samples to determine the essential values and KOMO makes it very clear; you the customer, always get quality as promised. Objectively determined and repeatedly in accordance with the official Assessment Guideline drawn up for this.”

Quality of the glue
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Vianen Kozijnen gets KOMO quality mark on its timber framing facade elements for high-rise buildings

August 14, 2019

Vianen Kozijnen developed innovative Timber Framing facade elements in close cooperation with Heijmans and SIGA. These elements are fitted with aluminium frames in a wooden cavity skin. Water and airtight, suitable for processing in high-rise buildings. As of May 2019 these Timber Framing Construction elements are KOMO certified (Assessment Guideline 0801 Wooden Facade Elements). They were recently applied in the Cobana and Pisang residential towers in Rotterdam.

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