Class A Fire Rating Burning Brand Fire Resistance Test 

www.cedur.com/
This video is the actual burning brand test required to achieve a Class A fire rating. The test was conducted by QAI Laboratories in California. As a result of our proprietary technology, CeDUR passed the test with a Class A rating.
CeDUR is the only replacement shake product with a Class A fire rating without the requirement of a special fire resistant underlayment.