Small chimneys: Heat insulation, tightness and mechanical strength at elevated temperatures (NT FIRE 020)

Size: 25.43 KB
  • Report #: NT FIRE 020
  • Approved: February 1985
  • Hits: 0


This NORDTEST method contains some supplementary specifications to the measurement procedure stated in ISO 4736-1979, Fire Tests - Small chimneys - Testing at elevated temperatures.

This NORDTEST method is a more specified test method than ISO 4736, so that a test performed according to this NORDTEST method will also meet the demands of ISO 4736.


NT Methods | Fire


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”.