FATG Level 4
Mountboard Quality Level 4 (was Standard). Often used names: Standard, Cream Core.
Mountboards where all parts can be made from wood pulp containing lignin.
There are no specifications for lightfastness or bleed, and they may contain OBAs.
May only be used for Level 4 framing.
Any boards that do not meet Level 4 as a minimum specification are considered unsuitable for use within the Guild’s Levels of Framing.
