Building materials

The CSR Performance Ladder Circular is developed for companies that provide sustainable management of resources and raw materials to provide their products and/or services.

Kiwa tests and certifies products used in industrial and domestic (drinking) water installations. Products that conform with the requirements are marked with the Kiwa mark. The Kiwa mark indicates that: The products meet the requirements in rel...

Determination of the wather-tightness of solar energy systems in roofs.

The BDA Folding Device, type H, is the test device for determination of the resistance to folding of plastic and rubber sheets according to EN 495-5:2013 – Flexible sheets for waterproofing – Determination of foldability at low temperature - Plast...

Effective and long term performance of rubber seals is essential to prevent leakage of pipelines and subsequent spillage of water and high costs for repair and damage. Increasingly, authorities, pipe system suppliers and other parties in the chain of custody are demanding proof of quality of rubber seals.

The objective of this guideline is to guarantee the drinking water quality by specific relevant additional testing and criteria on the barrier properties of the piping system for an operation period of 50 years in polluted soil.

The type approval activities formerly conducted by the Swedish National Board of Physical Planning and Building, and later by Boverket (Swedish National Board of Housing, Building and Planning), have now been deregulated. In the new open system, w...

Kiwa Building Products | Building Product Agrément

Kiwa CMT provide a full range of geo-environmental services

For the drinking water sector in the Netherlands, we offer Kiwa quality Water Mark for an extensive range of products. The Kiwa Water Mark is commonly recognized in the drinking water sector in the Netherlands. Certificate holders are allowed to u...

Wind-uplift test

ISO 9001 Quality Management Systems Certification with Kiwa: improve your performance, meet customers’ needs and increase your profit.

EN 1090-1 certification with Kiwa: demonstrate your compliance with EU regulations, highlight the quality of your components and get ready to access the European market with CE marking.

International Railway Industry Standard (IRIS) Certification: manage your railway-specific quality processes, compete in a demanding market & boost your profit.

The products are intended to be used for the transport of drinking water and a working pressure of 1MPa (1,000 kPa), with a water temperature up to 65˚C and a maximum water temperature up to 90˚C for a period of maximum 1 hour.

The products are intended to be applied in drinking water installations for the transport and distribution of hot and cold water.

WPQR is the process of examining the welding procedure during the compliance process according to the relevant standards (manufacturer's production, supervising the welding test, carrying out the testing procedures and evaluating them).

Kiwa can help you with quality controls and validations, maintenance inspections, investigations of residual service life, specific tests and consultancy in the field of composite wall panels.

Use the Kiwa Water Mark as a producer or supplier. If you want to market yourself with products that meet all requirements; both functional as well as all legal hygienic requirements specified in the “Materials and chemicals in the supply of drinking water and warm tap water Regulation” by the Dutch government.

Especially in construction sector sustainability efforts are increasing. This requires companies to identify and declare the environmental impact of their products. The Environmental Product Declaration is used as an effective tool for this purpose.