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Black Forest AC4/W32 Volcanic Ash Specifications:
Size of panel: 2200 x 239 x 12mm
Fit for use grading: AC4/W32
Heavy Domestic/Heavy Commercial Grade
Average board Density greater than 880/890 kg/m3
Thickness swelling test less than 8%
Lifetime guarantee against termites
Warranty: 25 years Heavy Domestic use / 5 years General Commercial use