Radiant Roof (T4)
Radiant roof test equipment is used to determine the performance of roof products and systems to external fire exposure. There are primarily two standards used; one British standard and one European Technical Specification;
BS 476-3:2004 – External fire exposure to roofs
DD CEN/TS 1187:2012 – Test methods for external fire exposure to roofs
Both include staged test methods incorporating burning brands, wind and supplementary radiant heat. The testing procedures determine the ability of a roofing product and/or system to resist fire and to examine how it would react to a nearby fire. In particular, tests consider the transference potential from outside the building itself, and the likelihood of a fire penetrating the roof and spreading across its surface. Dependent upon test results, a minimum 3 parallel tests are performed.
The TS 1187 test method is commonly known as the T4 (or BROOFT4) test.
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