The fire properties that determine the class of interior finishes are
A)fire- resistance rating and FSI.
B)fire- resistance rating, FSI, and SDI.
C)fire- resistance rating and SDI.
D)FSI and SDI.

Question

Quizplus · Accepted Answer

The fire properties that determine the class of interior finishes are Flame Spread Index (FSI) and Smoke Developed Index (SDI). These indices measure how quickly flames spread and how much smoke is produced by a material during combustion, respectively, which are critical for assessing fire safety of interior finishes.

The Fire Properties That Determine the Class of Interior Finishes