Uses: Exterior and Interior Wall Sheathing
Replace: Gypsum, Fiber Board, OSB, Plywood, Engineered Wood Sheathing, Other Structural Panelized Wall Sheathing Products.
Specifications:


Magnesium oxide (MGO) board is non-combustible building material suitable for both commercial and residential construction projects. It delivers exceptional fire resistance for 2 to 3 hours, remaining intact at temperatures up to 800°C and not catching flame until 1200ºC.

This board retains stable structural rigidity even under slight bending stress. It maintains excellent stability in humid and moist environments, effectively avoiding common issues such as warping, bulging and layer delamination.

Magnesium oxide boards contain no fly ash, formaldehyde, crystalline silica or other harmful toxic substances. The pure and safe material composition makes them a reliable healthy choice for all construction applications.


Featuring inherent resistance to moisture, fire, mildew and pest infestation, MgO boards are immune to termite damage and structural deterioration. They effectively prevent deformation and degradation, ensuring long-term construction durability.

Manufactured from pure natural raw materials, MgO boards are fully recyclable and landfill-safe, classified as nutritional waste that causes no environmental harm. Having passed rigorous 36-month freeze-thaw cycle tests, the boards support all-season construction work.

Boasting superior antimicrobial properties, the boards effectively inhibit the growth of mold, mildew, fungi and rot. Free from chloride components, they eliminate hidden risks of minor corrosion and structural expansion in building structures.
Exterior & Interior Structural Wall Sheathing: Replaces traditional OSB or plywood, offering superior structural strength while remaining naturally non-combustible
| Features | Magnesium Sulfate Board(SO4) | Solid Wood Board | Wood-plastic Composite Board | Ceramic Sheet | Magnesium Chloride Board(Cl2) | Calcium Silicate Board |
|---|---|---|---|---|---|---|
| Environmentally Friendly | High | Average | High | Average | Average | High |
| Fireproof | A1 | B2 | B1 | A2 | A2 | A1 |
| Waterproof | High | Poor | Poor | Poor | Poor | Average |
| Anti-mould | High | Poor | High | High | Poor | High |
| Wear-resistant | High | Poor | Poor | High | High | Average |
| Weather Resistance | High | Poor | Poor | High | Average | High |
| Screw-holding Power | High | High | High | Poor | High | Poor |
| Remark | The most reliable substrate | High Price | Poor Texture | Fragile High Price | Absorb Moisture | Self-heavy, easy thermal expansion and contraction and moisture deformation, not applicable to the north |
Let us help you find the perfect solution for your project.