Fireproof Magnesium Oxide Board | MgO Board for Wall, Ceiling, Partition & Subfloor
Item specifics
- Thickness Range
- 3mm – 20mm
- Standard Sizes
- 1200×2400mm / 1220×2440mm / Custom
- Density
- 0.9 – 1.3 g/cm³
- Fire Rating
- Class A1 (EN13501-1), Non-combustible
- Moisture Resistance
- ≤15% water absorption, no deformation
- Finish Compatibility
- Tile, wallpaper, paint, PU, etc.
- Features
- excellent fireproof performance, strong weather
- Green and environmentally friendly
- does not contain asbestos, formaldehyde, benzene
Review
Description
Product Overview – Magnesium oxide board
Our Magnesium Oxide Board (MgO Board) is a non-combustible, moisture-resistant, and environmentally friendly building material widely used in interior and exterior wall systems, ceilings, partitions, subfloors, and fireproof structures.
Made from magnesium oxide (MgO), magnesium chloride, perlite, and fiberglass mesh, the board provides excellent fire resistance, dimensional stability, and mold resistance. It is a great alternative to gypsum, cement board, or plywood in projects demanding safety and durability.
Why Choose Our Magnesium oxide board

Class A fireproof performance: Fire-resistance rated Class A, withstanding over 2 hours of exposure, ideal for partitions and ceilings.
Waterproof and moisture-proof, no deformation: Water- and moisture-resistant, remains stable in humid environments like kitchens or bathrooms.
Environmentally friendly, non-toxic, and asbestos-free: Made from eco-friendly, non-toxic materials, asbestos-free and compliant with EU/US environmental regulations.
Excellent processing properties: Can be cut, drilled, planed, nailed, or glued — adaptable to all installation needs.
Multifunctional applications: Versatile uses include ceiling panels, partition walls, subflooring, duct base, door cores, and cladding.
Factory direct supply, significant price advantage: Factory-direct pricing with OEM support and competitive bulk rates.
Frequently Asked Questions (FAQ)
Q1: How fire-resistant is MgO board?
A: MgO board is Class A non-combustible and will not ignite or emit toxic fumes under high temperatures.
Q2: Is it eco-friendly? Does it contain toxic substances?
A: It is eco-friendly, asbestos-free, formaldehyde-free, and meets international green building standards.
Q3: Can the board be customized in size or thickness?
A: Yes. Standard thickness ranges from 3–20 mm, with customizable sizes like 1220×2440 mm or 1200×2400 mm.