Rating Test Results
All SORBER products have a Class A fire rating.
To be considered 'Class A', a product must have a Flame Spread of less than
25 and a Smoke Developed Index rating of less than 450. SORBER products
have a Flame Spread index of 0 and a Smoke Developed index of 65. Testing
was performed by Omega Point Lab using the ASTM E84 Test Standard.
for a printable PDF of the test results
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