Our Labels, Certifications & Guarantees

CRH, your partner in joinery, focuses on quality, innovation, and customer satisfaction. Discover our labels, certifications, guarantees, and partnerships that ensure the durability and reliability of our products.

The Scientific and Technical Center for Building (CSTB) aims to guarantee the quality and safety of buildings, addressing challenges of energy and environmental performance, as well as health, accessibility, and building comfort.

This certification attests to compliance with French standards through the control and certification of manufacturing quality, as well as the level of resistance and sealing of joinery. Unlike other products, in joinery, the NF mark is much more demanding than the CE marking.

This label guarantees the quality of double glazing as well as its acoustic and thermal performance.

Greenline® by Kömmerling eliminates lead from PVC profiles, stabilizing them with an exclusively ecological material that presents optimal and functional characteristics.

The QUALICOAT label applies to aluminum products lacquered discontinuously and after forming.

Quality

The excellent quality of our CE-marked products is confirmed by the ift Rosenheim institute.

This organization is supported by WWF and Greenpeace.

These certifications are issued by independent organizations accredited by COFRAC. Labels PEFC and FSC.

Eco-responsible Labels FSC and PEFC:

PEFC: program for the endorsement of forest certification, PEFC is an association that brings together producers, processors, and users of the forest.

FSC: is an independent, non-profit global organization. This environmental label ensures that wood production respects responsible and sustainable forest management based on social, economic, ecological, and cultural needs.

Our Guarantees

At CRH, we place customer satisfaction at the heart of our concerns. Therefore, we offer you the most responsive after-sales service possible, along with long guarantee periods. Choosing CRH joinery means opting for peace of mind for many years.

20 years on the window structure
10 years on glazing
5 years on hardware
10 years on lacquering
5 years on the roller shutter
5 years on cladding (structured wood)
5 years on motorization
2 years on door lock mechanisms

Quality Guaranteed

The quality of our CE-marked products is confirmed by the renowned ift Rosenheim institute.

We use only components from renowned and appreciated manufacturers, leaders in their fields – thus, we market leading window brands such as Kömmerling, Aliplast, Reynaerts, Roto, Sobinco, and AGC glazing.

Our wide range allows us to offer you everything related to exterior joinery and accessories.

We also offer innovative solutions for low-energy and passive buildings.

CRH is a Member of the Belgian Construction Confederation.

Buildwise, formerly CSTC, was founded in 1959 by the construction sector. Buildwise’s mission is to help construction professionals improve quality, productivity, and sustainability, and to pave the way for innovation on construction sites and in construction companies.

Constructiv is an organization that provides services for the construction sector. As a security fund, created by the social partners of the construction sector, this organization aims to ensure that talents are directed towards the sector and can flourish there throughout their careers. This involves an attractive social status, the necessary skills, and safe working conditions on site.

Our Labels, Certifications & Guarantees

Quality

Our Guarantees

Quality Guaranteed

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