1.1These test methods cover those insulation products in specified Specification C208. The requirements for the products' physical properties are specified in Specification C208. The methods for the general insulation products' physical properties are given as follows:

	Section
Thickness	7
Size of Finished Board	8
Thermal Conductivity	9
Transverse Strength	10
Deflection at Specified Minimum Load	11
Tensile Strength Parallel to Surface	12
Tensile Strength Perpendicular to Surface	13
Water Absorption	14
Linear Expansion	15
Water Vapor Transmission	16
Flame Spread Index	17
Moisture Content and Density	18
Compressive Strength	19

1.2Reference is provided to an established source for nomenclature and definitions.

1.3This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

1.4Several of the test methods contained in this document are referenced by material specifications other than cellulosic fiber insulating board. These include mineral fiber, perlite, polyisocyanurate, polystyrene and phenolic materials.