Databases

BouwZo is the knowledge platform for reliable and validated building knowledge from both ISSO and other knowledge providers. Here you will find publications, handbooks, reports, design guidelines, tools and checklists on various building topics, as well as of InstallQ and other regulations.

The CROW knowledge bank consists of various online knowledge modules in the fields of traffic and transport, public space, infrastructure and mobility.

NEN Connect is NEN's online standards management tool. Available in NEN Connect:

• All Dutch standards (NEN, NPR, NTAM, HKZ)
• All European and international standards adopted in the Netherlands (NEN-EN, NEN-EN-ISO, NEN-ISO, NEN-EN-IEC and NEN-IEC)
• All the international standards (ISO and IEC)
• NEN’s practical guides
• Publication series on Hazardous Substances (PGS)