Magnum Board is a versatile material used in residential and commercial building construction. It is suitable for a wide range of general building board usages and for applications requiring a fire rating as well as mold and mildew control as well as sound control applications.

As an environmentally friendly building material, magnum board has several attractive characteristics: fire resistance, moisture resistance, mold and mildew resistance, and strength derived from strong bonding between magnesium and oxygen in magnesium oxide. Magnum board is being used in a number of other construction applications such as: fascias, soffits, shaft-liner & area separation wall sheathing, and as tile backing (backer board) or substrates for coatings and insulated systems such as Direct-Applied Finish Systems, EIFS, and stucco.

Magnum board for building construction is available is various sizes and thickness. It is a non-paper-covered material and generally light gray, white or beige in color. It comes in various grades, such as smooth finishes, rough textures, and utility grades.