MgO Wall Sheathing Board: Fire-Rated, Moisture-Resistant Structural Sheathing Guide

After a two-story commercial building in Florida suffered water damage behind its exterior cladding, the general contractor replaced failed gypsum sheathing wi...

MgO Board for Decorative Lamination: Fire-Rated Substrate for HPL and Veneer Applications

Picture this: your lamination line stops because a batch of 18 mm substrate boards warped after the hot press cycle. The decorative HPL film was good, the adhe...

Magnesium Oxide Panels: Key Benefits, Risks, and Smart Selection Guide

Suppose you are specifying wall sheathing for a three-story multifamily building with a fire-resistance requirement and a schedule that leaves the framing expo...

Magnesium Oxide Board: Properties, Applications, and What Specifiers Should Verify

A regional builder is reviewing a material submittal for a four-story, wood-frame apartment project. The architect has specified magnesium oxide board for exte...

MgO Wall Sheathing Board: Fire-Rated Structural Panel for Exterior Walls

Exterior wall sheathing has to survive two enemies at once: fire and moisture. Paper-faced gypsum sheathing resists fire, but it swells, wicks water and grows ...

MGO Wall Board: Sulfate vs Chloride, Fire Ratings, and Installation Basics

A contractor in a coastal county pulled the siding off a three-year-old house and found the gypsum sheathing soft, dark, and covered with mold. The paper facer...