9mm Non-Combustible Fast Install Magnesium Oxide Sheathing Panel
Thickness: 9mm
Size: 1220x2440mm, 1220x2740mm customized
Surface: standard or sanded
Fireproof Grade: A1
Moisture Movement: 0.1%-0.12%
Density: 1000-1100kg/m3
Flexural strength: 10-16MPA
Description
Magnesium Oxide Sheathing Panel – commonly referred to as MgO sheathing board – is a factory-manufactured inorganic building material designed to replace conventional sheathing options like gypsum board, oriented strand board (OSB), and plywood. Crafted from magnesium oxide (derived primarily from magnesite or seawater) and natural mineral components, it is enhanced with reinforcing materials (such as fiberglass mesh), binders, and other functional fillers. Renowned for its high-performance attributes, this material stands out for its exceptional structural strength, outstanding fire resistance, and superior moisture resistance.
Wall Sheathing Comparisons
| Items | MgO Structural Wall Sheathing | OSB With Integrated Weather Barrier | Fiberglass-Mat Faced Gypsum | Chemically Coated OSB Sheathing | OSB |
| Structural Wall Sheathing | YES | YES | NO | YES | YES |
| Non-Combustible | YES | NO | YES | NO | NO |
| Silica Free | YES | YES | NO | YES | YES |
| Resists Corrosion | YES | YES | YES | YES | YES |
| Chemical Free | YES | NO | NO | NO | NO |
| Water Resistant | YES | NO | NO | NO | NO |
| Mold Resistant | YES | NO | NO | NO | NO |
| Mildew Resistant | YES | NO | NO | NO | NO |
| Installs With Screws Or Nails | YES | YES | YES | YES | YES |
Key properties and benefits
- Fire resistance: MgO panels are non-combustible and are used in fire-rated assemblies.
- Waterand moisture resistance: They do not warp, swell, or disintegrate from moisture exposure. They are also freeze/thaw resistant.
- Durability:The panels are strong, impact-resistant, and can withstand extreme conditions.
- Mold and pest resistance: The material is not a food source for mold, fungus, or insects.
- Low-carbon material:MgO board production requires less energy than Portland cement production, and the curing process can absorb atmospheric carbon dioxide.
- Ease of installation: They can be cut and installed with standard woodworking tools, though they are heavier than plywood
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