What the Difference between Fiber Cement board and MgO board

Introduction

Fiber cement board and Magnesium Oxide (MgO) board are two widely used construction materials known for their durability and versatility. Understanding the distinctions between these materials is crucial for making informed decisions in construction projects.

Composition and Manufacturing Process

Fiber cement board typically comprises cement, cellulose fibers, sand, and water. These ingredients are mixed together and then formed into sheets through a process of compression and autoclaving. On the other hand, MgO board is primarily composed of magnesium oxide, magnesium chloride, perlite, and wood fibers. These components undergo a similar manufacturing process, involving mixing, molding, and curing.

Advantages

In terms of fire resistance, MgO board outperforms fiber cement board due to its non-combustible nature. MgO board also exhibits superior water resistance, making it ideal for humid environments. However, fiber cement board tends to be more durable and impact-resistant. Additionally, MgO board provides excellent thermal insulation and soundproofing properties, while fiber cement board offers good thermal conductivity.

Applications in Construction

Both fiber cement board and MgO board find applications in various construction projects. Fiber cement board is commonly used for exterior siding, roofing, and interior wall cladding. MgO board is suitable for similar applications but excels in fire-rated assemblies, subflooring, and decorative panels. Real-life examples and case studies showcase the versatility and effectiveness of both materials in construction.

Environmental Impact and Sustainability

In terms of environmental impact, MgO board is considered more eco-friendly as it is made from natural minerals and has minimal manufacturing waste. It is also recyclable and offers energy efficiency benefits. Fiber cement board, although durable, has a higher carbon footprint due to its cement content and energy-intensive manufacturing process.

Cost Comparison

When comparing costs, fiber cement board tends to be more affordable upfront, but MgO board may offer long-term savings due to its durability and low maintenance requirements. Factors such as installation labor and material longevity should be considered when evaluating the overall cost-effectiveness of each material.