ISO/TS 22269:2005描述了一个全面的参考场景程序，用于评估楼梯或楼梯覆盖物在暴露于规定火源时的燃烧行为。本场景中涉及的风险基本上是故意火灾，而不是意外火灾。指定的点火源包括一个木床，代表燃烧皱巴巴报纸的局部攻击，以及一个燃气燃烧器，代表底部台阶整个宽度受到攻击时更严重的攻击。 燃烧行为的观察为评估安装在不同楼梯基底上的楼梯覆盖物的火灾暴露行为提供了基础。 ISO/TS 22269:2005适用于可安装在楼梯上或楼梯本身的所有类型的楼梯覆盖物。从该方法获得的结果反映了整个楼梯覆盖系统以及测试的楼梯基底的性能，并不是评估使用中产品潜在火灾危险的唯一标准。对楼梯覆盖层、底层、固定系统、楼梯基底的修改或对系统的其他更改可能会影响测试结果。 使用封闭式或开放式楼梯进行测试。在本试验方法中，楼梯顶部没有表示楼梯平台上天花板的闭合装置。 楼梯组件的顶部是开放的，以便在通风良好的条件下进行测试。

ISO/TS 22269:2005 describes a full-scale reference scenario procedure for assessing the burning behaviour of stairs or stair coverings, when exposed to a defined ignition source. The risks addressed in this scenario are essentially those of a deliberate rather than an accidental fire. The ignition sources specified include a wood crib to represent a local attack with burning crumpled newspaper and a gas burner to represent a more severe attack when the whole width of the bottom step is attacked. The observations of burning behaviour provide a basis for assessing the fire exposure behaviour of stair coverings installed over different stair substrates. ISO/TS 22269:2005 is applicable to all types of stair coverings that can be installed on stairs or to the stairs themselves. The results obtained from this method reflect the performance of the total stair covering system together with the stair substrate as tested and are not intended to be the sole criterion for assessing the potential fire hazard of the product in use. Modifications to the stair covering, underlay, fixing system, stair substrate or other changes to the system can affect test results. Tests are performed with an enclosed or open-sided staircase. In this test method, there is no closure at the top of the stairs to represent a ceiling on a stairs landing. The top of the stairs assembly is open so that the tests are conducted under well-ventilated conditions.