A finish schedule lists an interior wall finish as Class A under the IBC flame-spread classification. What flame-spread index range defines Class A?
Correct Answer
A) Class A: 0 through 25
IBC interior finish classification defines Class A as flame-spread index 0 through 25. Other choices describe Class B, Class C, or a range outside the standard Class A/B/C grouping.
Why This Is the Correct Answer
IBC interior finish classification defines Class A as flame-spread index 0 through 25. Other choices describe Class B, Class C, or a range outside the standard Class A/B/C grouping.
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