This Technical Specification gives guidance on the process and development of extended fields of application using test results obtained from CEN/ TS 1187 test 1 to 4, and included in test reports, and other relevant information in order to evaluate and classify the performance of roofs/ roof coverings. This Technical Specification provides a methodology to consider the possible effect(s) on classification to EN 13501 5 from single or multiple changes to the individual product and end-use application parameters of the roof/ roof covering.
Specific application guidance is given in Annexe A, Annex B, Annex C and Annex D for CEN/ TS 1187 tests 1 to 4 respectively.