4.1 The test methods contained in this document are intended for cellulosic fiber insulating board as described in Specification C208. These test methods examine mechanical, physical and thermal properties, properties related to water absorption and water vapor exposure, and flammability related properties.

4.2 The results of these tests may be used to describe the performance of insulating board and are suitable for use in material specifications.

1.1 These 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

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

1.3 This 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.

1.4 Several 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.