Tests have been conducted in accordance with BS 476-21:1987 and BS EN 1365-2:2014, fire resistance tests for loadbearing elements, part 2 – floors and roofs.

The National House Building Council (NHBC) recently stated that all downlighters used within the intermediate floor of a house must be supported by test evidence that demonstrates the required fire performance.

Downlighter manufacturers with successful 30-minute downlighter fire resistance tests using the JJI-Joist system:

*successful 30- & 60-minute tests

To obtain the downlighter assessments and certifications, please contact the relevant downlighter manufacturer.

JJ&S TSD are working closely with the following downlighter manufacturers, with agreed laboratory test dates for Q2 2020 using the JJI-Joist system:

  • JCC
  • Electrum

For further information please contact your local JJ&S TSD technical sales representative or the Timber Systems Division technical department.