Building materials

Kiwa has combined know-how and experience of investigating adhesives for a wide range of applications. Our adhesives testing expertise helps to prove and improve the performance and quality of adhesive products.

The fittings with compression ends are being used to connect copper pipes, according to the Kiwa evaluation guideline BRL-K760, in tap water and gas installations and in heating installations. The tightening is achieved by a compression or cutting...

Polymers are widely used in construction, building and infrastructure. Construction and utility parts in buildings are often partly or completely polymeric or elastomeric products. This can be as wall panels, roofing materials, piping systems, seals, coatings and a large number of other products.

The products are intended to install water meters according the evaluation guideline BRL-K618. The watermeter brackets are intended to used in drinking water installations with a maximum water pressure of 1000 kPa and a maximum temperature 30ºC. T...

Kiwa offers a wide scope of material related consultancy services for polymers and elastomers. We support product developments, market introductions, materials selections, material evaluations, trouble-shooting, failure analysis or maintenance and replacement decisions.

Plastic pipes and fitting | Quality by certification and testing

Building and glazing sealants | Accredited testing - certification

We all like a warm and comfortable house. Especially in wintertime. And of course your clients must rely on the system that provides that warmth. With your piping system you can qualify for the KOMO® product certificate for plastics piping systems...

The products are intended to be used for general applications such as construction and equipment manufacturing, as well as for the transport of liquids and gases in pipe installations, equipment manufacturing, tank construction and petrochemicals.

Plastocs and rubbers are frequently used in applications where contact with chemicals, gases, detergents or oils are intended or cannot be avoided. The resistance of the polymer materials to these substances must therefore be known before such an application is considered.

In the bitumen industry, the BDA Bending Tester® is generally accepted as an essential test to determine the quality of modified bitumen.

Currently it is mandatory for chimney products sold in the EU to carry the CE mark. Kiwa can test chimneys according to the CPD 89/106/EEC. The marking may only be affixed after successful completion of testing, auditing of factory production cont...

Independent arbitration for polymers

Kiwa experts | third party product inspections With product inspections a third party inspects the products and, if agreed, takes samples for testing.

The evaluation guideline BRL 2020-1 includes all relevant requirements on the basis of which Kiwa will handle applications for certification and the issuing of KOMO product certificates for TPE materials intended for pipe joint seals for non-pressure waste water applications.

The quality of our drinking water is a matter that concerns us all. To prevent the pollution of drinking water it is essential for appliances (such as washing machines and dishwaters) to have internal backflow protection.  With the Kiwa Domes...

The products are intended to be used as a piping system for the transport of drinking water and/or wastewater, with a nominal diameter of DN 40 up to and including DN 2000 and nominal pressures of PN 10, PN 16, PN 25 or PN 40.

The products are intended to be used in in hot water installations with a working pressure of maximum.1 MPa (10 bar) and a water temperature of maximum 90 °C.

This certificate of constancy of performance includes both the underground fire hydrants as the pillar hydrants that are intended for firefighting purposes.

The products are intended to be applied in sanitary installations (in buildings) for the transport of warm and cold drinking-water; hot water heating systems (temperature not exceeding 100 ºC) including underfloor heating systems;domestic gas...