QUESTION
What is tretford’s Fire Rating?
ANSWER
tretford has a Class O rating making it suitable, not only for use on floors but also as an acoustic wall covering. A large proportion of tretford sold into the United States is sold for use on vertical surfaces in auditoriums, airports and in some instances hospitals.
Flammability Tests
| BS 4790:1987 |
Hot Metal Nut/Pill Test |
Mean Radius of Burning: 25mm.
Class: low. |
| ANSI/STM E648 |
Critical Radiant Flux Test |
Result Category: 1. |
| BS EN ISO 11925: 2002 |
BS EN ISO 9239-1 |
Euroclass C fl-s1 |
| AS ISO 9239.1-2003 |
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Mean 7.2 kW/m 2 direct stick
Mean 5.7 kW/m 2 dual bond
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Conclusion: Suitable for commercial/contract installations including Institutional, Commercial and Public Buildings.
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