Construction Products
Kiwa has extensive expertise in independently monitoring the quality and use of building materials such as timber, concrete, steel, roofing as well as ceramic products.
Kiwa is also a Notified Body for a large number of building products and assist in the correct interpretation of the increasingly complex local and European building regulations (including e.g. CE marking). In addition, the aspect of sustainability is also incorporated. You receive proof that your products are manufactured in a sustainable way.
"MIC-Performance-Test"-Microbially induced sulphuric acid corrosion
The "MIC-Performance-Test" on a pilot plant scale for assessing the resistance of building products under real and particularly critical conditions in wastewater engineering plants (biogenic sulphuric acid corrosion, BSK)

Alkali-silica reaction testing
The alkali-silica reaction (ASR) is one of the most frequent causes of cracking due to driving reactions and efflorescence on concrete structures. All structures that are exposed to moisture are affected – from bridges and structures in contact with groun...

Precast concrete parts
Kiwa performs multiple certifications for concrete, reinforcing steel, and the precast component as a composite material, offering a complete package for precast concrete components.

Fire detection and fire alarm systems (EN 54 series)
The EN 54 series applies to fire detection and fire alarm systems in and around buildings composed of several components that communicate for the purpose of detecting fire at the earliest practicable moment.

Chloride analysis
In addition to contact with chloride-containing de-icing agents (de-icing salts), enrichment through direct contact with chemical substances or combustion residues from plastics in the event of a fire are frequent causes of chloride-induced corrosion of t...

Roof coverings, roof lights, roof windows, and ancillary products
The roof coverings comprise not only products, but also complete systems for flat roofs, like bitumen, plastic and rubber waterproofing sheets as well as liquid applied roof waterproofing kits (LARWK), but also for sloped roofs: ceramic and concrete tiles...

DVGW Testing and Inspection
Testing and inspection for water and gas materials, components and products in accordance with various German DVGW evaluation guidelines to promote safety, hygiene and innovation – for the benefit of the environment and consumers.

Liquid plastics as a building sealant
In order to be able to use a liquid plastic in Germany, a general building authority test certificate (abP) is issued based on of the "Test principles for issuing general building authority test certificates for liquid plastics for building waterproofing ...

Test of joint sealants for road construction
Kiwa carries out all tests of the DIN EN 14188 series of standards, e.g. the tests according to DIN EN 13880, parts 1-13. This is a test of hot-applied and cold-applied joint sealants as well as joint profiles for road construction, airports and other tra...

Geotechnical Testing
Our geotechnical services are used by construction and civil engineers, highways and local authorities.
We offer a wide range of site investigation and laboratory testing services.

Skid resistance measurements SKM method
The SKM process focuses not only on the quality of the road, but also on road safety. The measurement provides important values for the condition assessment and evaluation of new or existing road surfaces.

Kiwa Watermark Certification, Testing and Inspection
Tests and Kiwa Watermark certification guarantee compliance with the requirements of Dutch standards for products in contact with drinking water used in industrial and domestic drinking water installations.

KOMO Certification and Testing
Tests and KOMO certification guarantee compliance with the requirements of Dutch standards for products for the building and infrastructure sector.

Plastic and rubber, testing of physical-mechanical properties
Kiwa carries out all typical tests on plastics and rubber products which are used for gas, heat and water distribution and installation. Tests can be performed on pipes, fittings, seals, the piping system (fitness for purpose) and the resins themselves.

Mineral sealing slurries and flexible polymer-modified thick hard coatings for building sealing
To be able to use a mineral sealing slurry (MDS) or a flexible polymer-modified thick coating (FPD) in Germany, a general building authority test certificate (abP) is issued based on of the "Test principles for issuing general building authority test cert...

Plastic and rubber – testing of physical-mechanical properties
Kiwa carries out all typical tests on plastic and rubber products used for the distribution and installation of gas, heat and water. Kiwa offers a wide range of physical and mechanical tests in various sectors.

CPR/Chimney Factory Production Controls
Kiwa provides FPC/Chimney inspection and certifications. CPR/Chimney Factory Production Controls as per EN 1856-1/-2, EN 13084-7, EN 14989-1/-2 & Certification with Kiwa: Comply with regulations, have a continuously audited & regulated workshop and produc...

Infrastructure consultancy services
Infrastructure consultancy with a focus on all sorts of pavement constructions. From municipal roads to container terminals, from dike revetments to airports. We are experts in constructions and paving materials like asphalt concrete, concrete and block p...

Kiwa UNI Testing and Certification
The KIWA-UNI mark certifies the conformity of plastic and metal components in contact with water and gas to national and international standards.

Testing, inspection and certification of concrete according to EN 206
Kiwa supports you with all services concerning testing, inspection and certification of concrete according to EN 206 and concrete products. For in-situ concrete, we inspect and certify e.g., according to national standards. Furthermore, we have all the te...
