Items tagged with TIGHTNESS Files

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Electrotechnical and mechanical products: Tightness against water jets originating from high pressure cleaning processes (NT ELEC 023)


  • The purpose of this test method is to verify the ability of covers and seals to retain components and equipment in good working order after, and when necessary, during high pressure cleaning processes.

File size: 44.62 KB Download

Steep roofs - coverings : Tightness (NT BUILD 118)


  • The present NORDTEST-method is intended primarely for testing the rain tightness of overlapping roofing materials on sloping roofs. The method is based on the principle of a combined rain- and windload and, if relevant, a pressure gradient over the roof covering.


Nordtest is a trademark of Nordic cooperation in conformity assessment. The emphasis of Nordtest is to develop, promote and innovate Nordic test methods and pre-normative activity. Nordtest endeavours to remove technical barriers to trade and promotes the concept: “Approved once, accepted everywhere”.