- Thickness: 0.315" to 0.984" (8-25 mm)
- Unit weight: 2.05 - 3.07 psf (10 - 15KG/㎡)
- Compressive Strength：≥3000pa
Magnesium Oxide Boards
High-Performance Building Material
WT’s magnesium oxide board (MGO board) is an advanced magnesium oxide building material designed for versatility, superior performance, and sustainability. Made from magnesium and oxygen combined with high-quality raw materials such as magnesium oxysulfide, MGO board offer exceptional fire resistance, moisture resistance, and durability. Ideal for both structural and decorative applications, MGO board outperform traditional materials like drywall and cement boards in strength, longevity, and environmental impact.
Lightweight yet robust, MGO board is compatible with various framing systems, including wood, steel, and masonry, and can be integrated into structural insulated panels (SIPs) or used in exterior insulated finish systems (EIFS). Fully recyclable and environmentally friendly, WT‘s oxide boards provide superior fire and water protection while reducing the carbon footprint of construction. Despite their durability, MGO board is easy to install without the need for specialized tools, making them a practical, high-performance building material for modern construction projects.
Advantages of WT’s Magnesium Oxide Boards
Superior Fire Performance
Certified to meet rigorous standards, offering a high fire rating for fire-rated assemblies and critical building components.
Moisture and Mold Resistance
Excellent moisture resistant properties ensure durability in damp or humid environments. Prevents microbial growth, making it ideal for residential and commercial applications.
Eco-Friendly Construction
Manufactured with high-quality raw materials that reduce emissions and environmental impact, ensuring a low carbon footprint.
Enhanced Strength and Stability
Combines lightweight construction with superior durability, making it suitable for diverse applications, from tile backers to shaft liners.
Excellent Performance of MGO board
Fire Resistant
Rated up to 4 hours, complying with ISO 9151, ISO 15025, and ISO 6942 standards for thermal protection and fire-rated applications.
（ASTM E119）
Moisture Resistance
Water absorption less than 10%, preventing damage in wet or humid conditions.
(ASTM C272)
Thermal Insulation
Rated at 0.065–0.07 W/mK, making it an effective thermal insulation material.
(ASTM C518)
Compressive Strength:
≥ 12 MPa, ensuring high load-bearing capability.
(ASTM E90)
Flexural Strength:
≥ 6 MPa, providing stability under stress.
(ASTM B117)
Density:
Between 0.9–1.2 g/cm³, offering lightweight ease of use.
(ASTM D5420)
Key Features of WT’s MGO Boards
Fire Resistance
Achieves a superior fire rating of up to 4 hours. Recommended for shaft liners, structural insulated panels, and fire-rated wall sheathing.
Moisture and Mold Protection
Highly moisture resistant, making it ideal for applications in wet areas like bathrooms and kitchens. Prevents mold and mildew growth, contributing to a healthier indoor environment.
Durability and Strength
Combines lightweight construction with high load-bearing capabilities, outperforming standard cement boards. Suitable for long-term use in demanding environments.
Sustainability and Low Carbon Footprint
Manufactured with environmentally conscious processes, reducing its carbon footprint and supporting sustainable building practices. Fully recyclable, making it an environmentally friendly alternative to traditional materials.
Versatility
Works as a backer board, tile backer, and wall sheathing, adapting to both structural and decorative needs.
Comparison With Traditional Cement Boards
| Feature | Magnesium Oxide Boards | Traditional Cement Boards |
| Fire Rating | Up to 4 hours | Typically less than 2 hours |
| Moisture Resistance | Highly resistant, less than 10% absorption | Absorbs moisture over time |
| Weight | Lightweight (0.9–1.2 g/cm³) | Heavier |
| Sustainability | Lower carbon footprint, recyclable | Higher environmental impact |
| Durability | Mold and mildew resistant | Susceptible to microbial growth |
| Inspection Items | Technology Index |
| Product name | Magnesium fire-resistant board |
| Material | MGO |
| Product size | 1220*2440mm 1220*2400mm 1200*3000mm or customized |
| Normal thickness | 8mm、10mm、12mm、14mm、25mm |
| Fireproof rating | A1 |
| Fire resistance duration | 60min/120min |
| Water resistance | > 3d, no swelling, no cracking. |
| Fire integrity | No loss of integrity of specimen for 2.00h test |
| Weight per square meter | 10-15kg |
| compressive strength | ≥3000PA |
| Product features | Fire resistance, flame retardancy, compression resistance, good sealing, etc |
| Operating environment | Firewalls. Partitions.Structural sheathing for wood or metal stud walls.Shower stall tile backer board, etc |
| Size | Thickness | Weight | Usage |
|---|---|---|---|
| 4 ft x 8 ft | 1/4 inch (6 mm) | 45 lbs | Walls and Ceilings |
| 4 ft x 10 ft | 1/4 inch (6 mm) | 56.25 lbs | Walls and Ceilings |
| 4 ft x 8 ft | 11/32 inch (9 mm) | 67 lbs | Walls and Ceilings |
| 4 ft x 10 ft | 11/32 inch (9 mm) | 83.75 lbs | Walls and Ceilings |
| 4 ft x 8 ft | 13/32 inch (10 mm) | 72 lbs | Walls and Ceilings |
| 4 ft x 10 ft | 13/32 inch (10 mm) | 90 lbs | Walls and Ceilings |
| 4 ft x 8 ft | 1/2 inch (12 mm) | 77 lbs | Walls and Ceilings |
| 4 ft x 10 ft | 1/2 inch (12 mm) | 96.25 lbs | Walls and Ceilings |
| 4 ft x 8 ft | 11/16 inch (18 mm) | 120 lbs | Walls and Ceilings |
| 4 ft x 10 ft | 11/16 inch (18 mm) | 150 lbs | Walls and Ceilings |
| 4 ft x 8 ft | 3/4 inch (20 mm) | 130 lbs | Subfloor |
| 4 ft x 10 ft | 3/4 inch (20 mm) | 162.5 lbs | Subfloor |
| 4 ft x 8 ft | 1/8 inch (3 mm) | 30 lbs | Walls and Ceilings |
| 4 ft x 10 ft | 1/8 inch (3 mm) | 37.5 lbs | Walls and Ceilings |
| 4 ft x 8 ft | 5/8 inch (16 mm) | 100 lbs | Walls, Ceilings and Subfloor |
| 4 ft x 10 ft | 5/8 inch (16 mm) | 125 lbs | Walls, Ceilings and Subfloor |
Why Choose WT’s MGO Boards?
- Certified for fire resistance with a superior fire rating.
- Fully moisture resistant and prevents mold and mildew growth.
- Sustainable, with a reduced carbon footprint for green building projects.
- Versatile applications ranging from tile backers to structural insulated panels.
WT’s magnesium oxide building material represent the next step in construction innovation. Designed for durability, safety, and sustainability, our MGO boards outperform traditional cement boards in almost every metric. By combining magnesium and oxygen with high-quality raw materials, WT delivers a product that meets the needs of today’s builders while reducing the environmental impact of construction.
Applications of Magnesium Oxide Boards
- Wall Sheathing: Durable, fire-rated, and moisture resistant sheathing for interior and exterior walls.
- Fire Protection Panels: Used in structural insulated panels and fire-rated assemblies for enhanced safety.
- Tile Backers: Serves as a reliable substrate behind tiles in wet areas like kitchens and bathrooms.
- Shaft Liners: Provides structural integrity and fire resistance in elevator shafts and mechanical spaces.
- Flooring Substrate: An ideal underlayment for tiles, carpets, and other finishes.
- Environmentally Friendly Building Material: Supports green building certifications by reducing environmental impact.
FAQ
1. What makes magnesium oxide boards different from traditional cement boards?
MGO boards are lighter, stronger, and more environmentally friendly, offering superior fire resistance, moisture resistance, and sustainability compared to traditional options.
2. Are MGO boards suitable for wet areas?
Yes, they are highly moisture resistant, making them perfect for wet environments like bathrooms and kitchens, where they function effectively as tile backers.
3. How sustainable are magnesium oxide boards?
MGO panels are manufactured with reduced environmental impact and a lower carbon footprint, aligning with modern green building standards.
GET FREE SAMPLES
0086-13771601681
Address： No. 5, Outer Ring North Road, Huangtang Industrial Concentration Zone, Xuxiake Town, Jiangyin City, Jiangsu Province
Email: sales@wtinsulation.com