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.


Quality assurance from design phase to assembly

January 16, 2023

The Netherlands faces a major building task. Whether that building task will be brought to fruition depends on the approach. Will the building sector succeed in switching to an industrial building method involving a high degree of standardisation? In light of the Building Quality Assurance Act (Wkb) that switch has a very positive effect on the building process. At the same time, the process of quality assurance is undergoing a big improvement in terms of efficiency.

Picture: Shutterstock
Prefabricated housing concepts using concrete shells
Read more

WKB Performance Ladder: equivalence of certificates for risk reduction

January 11, 2023

In the preparatory phase of the Wkb, the Netherlands Quality Assurance Association (VKBN) is busy developing the Wkb performance ladder. The Wkb performance ladder is a national, broadly aligned guide so that every quality assurance body in the Netherlands can use the existing quality schemes in the same way for the benefit of uniformity and risk reduction during building work.

The ‘Wkb is a game changer, building quality improvements need to be introduced as soon as possible’

November 16, 2022

Minister Hugo de Jonge decided to postpone the Environment Act, and consequently also the Building Quality Assurance Act (Wkb), by another six months to 1 July 2023. The postponement is mainly due to concerns about the new ICT system, the Digital System Environment Act (DSO). There is lots online discussion about it. “However, in the coverage surrounding the postponement, we miss the impact it will have on the building industry,” says Ton Jans, director of KOMO and KiK. We have a few questions for him.

Wkb is a game changer
Read more
Close menu
KOMO Quality