Magnesium Sulfate (MgSO4) Board is unequivocally more suitable for high-humidity and exterior applications than Magnesium Chloride (MgCl2) Board.
The reason is the absence of high concentrations of chloride ions in the (MgSO4) formulation, which eliminates the core problems associated with (MgSO4)boards in wet environments:
- Corrosion: (MgSO4) boards are non-corrosive to metal fasteners and steel frames, whereas (MgCl2) boards can leach corrosive chloride-salt water.
- “Weeping” ...
OCT
2025

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MGO Board Fire Resistance Official Ratings
Yes, some types of
It is generally NOT recommended to use a high-pressure power washer on
The best and safest way to clean your
