ASTM C208-22

Annotation of standard text ASTM C208-22 :

This specification covers the principal cellulosic fiber insulating board types, grades, and sizes. Insulating board covered by this specification consists of six types: Types I, II (Grades 1 and 2), III (Grades 1 and 2), IV (Grades 1 and 2), V, and VI. Cellulosic fiber insulating board shall be manufactured from refined or partially refined ligno-cellulosic (wood or cane) fibers, by felting or molding process, into homogeneous panels. The insulating board shall conform to the physical properties specified.


Keywords:
backer board, ceiling tiles and panels, cellulosic fiber insulating board, decorative insulating board, fiberboard, roof deck, roof insulation board, sound deadening board, thermal insulation, wall sheathing,, ICS Number Code 91.100.60 (Thermal and sound insulating materials)