09 Feb Is Magnesium Oxide Board Waterproof or Just Water-resistant?
Is magnesium oxide board waterproof? No, magnesium oxide board (MgO board) is not considered waterproof, but it is highly water-resistant. It is very water-resistant, meaning it handles moisture well. This makes it good for damp places like bathrooms or basements. However, it needs sealing to stay strong with direct water contact.Water resistance and waterproofing are not the same:Water-resistant materials keep out some water but can absorb moisture.Waterproof materials stop all water, even for a long...