EN 11925-2 Testing for Zenova IP

EN 11925-2 Testing for Zenova IP


EN 11925-2 is a testing protocol used to determine the ignitability of a product by directly exposing a vertically oriented sample to a small flame. This “single burn item” test is one of the tests used as part of the Euroclass building product classification system which was introduced to harmonise standards across the EU.

A Single Burning Item test (SBI) is a method of testing that is used to determine the reaction to fire behaviour when a building product it is subject to thermal attack by a single heat source. The product being tested is mounted on a trolley and positioned in a frame beneath an exhaust system. As the item is exposed to flame, the exhaust system collects combustion gases for analysis and the amount of smoke produced is measured. The flame propagation and occurrence of burning particles and droplets are also identified in the specimen’s burning behaviour.

Zenova commissioned Warrington Fire to test its Zenova IP thermal insulation paint to the BS EN ISO 11925-2:2020 test standard. This test forms part of the testing programme to achieve BS EN 13501-1: 2018 classification.

Description of Test

A 9mm thick sheet of standard, untreated, plywood was painted with a 2mm coat of Zenova IP thermal insulation paint. Positioned vertically it was subjected to the SBI test and the flame spread observed and measured. The rating achieved is dependent upon the amount of flame spread, which must not exceed 150mm.

Test Results

A flame spread of 50mm was observed, which concluded that Zenova IP thermal insulation paint helps to significantly reduce flame spread. The success of this test means Zenova IP thermal insulation paint tested to the BS EN ISO 11925-2: 2020 standard, can be used in construction, on a variety of substrates, to improve fire safety.

Zenova IP Overview

  • ZENOVA IP thermal insulating paint embeds the most modern insulating technology in a thermos-like ultra-thin layer.
  • ZENOVA IP saves energy by increasing the thermal insulation level in commercial and residential buildings. Solar heat can increase the temperature within a building by 75% to 90%.
  • ZENOVA IP has been independently tested and validated to deflect, absorb and dissipate up to 75% of this heat, thereby reducing the inside temperature by up to 45%!
  • Suitable for both exterior and interior, on any type of surface.

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