
10 May Flexible Gypsum Board vs MgO Board A Complete Comparison
Table of Contents
Comparing Key Features of Two Boards
Explore the differences between flexible gypsum board and MgO board.
Features | flexible gypsum board | mgo board |
---|---|---|
Fire Resistance | Slows flames using calcination. | Resists fire, handles high temperatures. |
Moisture Resistance | Moderate resistance, prone to mold. | Excellent resistance, ideal for wet areas. |
Durability | Best for indoor use, less durable. | Strong, lasts longer in tough conditions. |
Cost | Cheaper, $0.50 to $1.00 per sq ft. | More expensive, $1.50 to $2.50 per sq ft. |
Environmental Impact | Natural materials, landfill issues. | Recyclable, absorbs CO2 during production. |
Ease of Installation | Lightweight, easy to install. | Heavier, requires special tools. |
Construction materials like flexible gypsum board and MgO board are important. Flexible gypsum board is light and can bend easily. This makes it great for curved walls and ceilings. MgO board is known for being fireproof and eco-friendly. It also keeps heat in or out well. These features make it useful in homes, offices, and factories. The gypsum and drywall market may grow from $29.3 billion in 2022 to $51.9 billion by 2032. These materials are changing how buildings are made.
Key Takeaways
Flexible gypsum board is light and simple to use. It works well for creative projects with curved shapes.
MgO board is great at stopping fire and blocking water. This makes it good for wet places and fire-safe uses.
Think about cost: flexible gypsum board costs less at first. MgO board lasts longer, which can save money over time.
Pick MgO board for green projects. It can be recycled and takes in CO2 when made.
Match your project needs: flexible gypsum board is best indoors. MgO board works better in tough conditions.
Overview of Materials
What is Flexible Gypsum Board?
Flexible gypsum board is a light material used in building. It bends easily, making it great for curved walls and ceilings. This board is made from gypsum, a natural mineral, and has paper on both sides. It comes in thicknesses like 9.5 mm, 12.5 mm, and 15 mm. Its density ranges between 600 to 900 kg/m³, which makes it simple to carry and install.
A key feature is its fire resistance. The gypsum holds water that turns into steam when heated. This process, called calcination, slows fire spread and absorbs heat. Flexible gypsum board also blocks sound well, especially when layered. This makes it popular for homes and offices.
Property | Description |
---|---|
Density | 600 to 900 kg/m³ |
Thickness | 9.5 mm, 12.5 mm, 15 mm |
Weight | 6.5 to 9 kg/m² |
Thermal Conductivity | Low, helps with slight insulation |
Acoustic Properties | Good at reducing noise |
What is MgO Board?
Magnesium oxide board, or MgO board, is strong and fireproof. It is made from magnesium oxide, fiberglass mesh, and wood sawdust. This mix makes it better than cement board or gypsum board. MgO board is often used in fire protection for homes and buildings.
Its features show why it performs well. MgO board resists fire, making it good for fire-rated walls. It handles moisture better than gypsum board, lasting longer in wet places. It stays strong even in humid or changing temperatures.
Specification | Description |
---|---|
Fire Resistance | Great for firewalls and fire-rated uses. |
Moisture Resistance | Handles moisture better than gypsum board. |
Mechanical Strength | Strong enough for construction needs. |
MgO board is eco-friendly and safe, making it a smart choice for modern buildings. It lasts long and handles wear and tear from the environment well.
Key Differences Between Flexible Gypsum Board and MgO Board
Fire Resistance
Both flexible gypsum board and MgO board handle fire differently. Flexible gypsum board has gypsum, which holds water inside. In a fire, this water turns into steam. This slows flames and reduces heat. This process, called calcination, helps protect walls and ceilings from fire.
MgO board is made for high fire resistance. It uses magnesium oxide, which does not burn. It can handle very high temperatures. Fire tests show MgO board works well in fires. But, cracks and peeling can happen on the side facing the fire. Even with these issues, MgO board is still great for fire protection.
Fire Test Notes:
Flexible gypsum board slows flames using calcination.
MgO board resists fire but may crack or peel.
Both materials stay strong for a long time in fires.
Moisture Resistance
Moisture resistance is also important. Flexible gypsum board resists moisture a little. It works well indoors but not in wet places. Long exposure to water can cause mold and damage. This limits its use in humid areas.
MgO board is much better at resisting moisture. It absorbs less water than flexible gypsum board. This makes it perfect for wet or coastal areas. Studies show it works well in basements and prevents mold.
Material Type | Moisture Resistance | Best Uses | Examples |
---|---|---|---|
MgO Board | Excellent | Wet areas, humid places | Basements, mold prevention |
Gypsum Board | Moderate | Indoor use | Mold issues in wet spaces |
Tests show MgO board absorbs only 0.34% water. Flexible gypsum board absorbs about 3%. This big difference makes MgO board better for wet conditions.
Board Type | Water Absorption Rate | Good for Wet Areas? | Mold Resistance |
---|---|---|---|
MgO Board | 0.34% | Yes | High |
Gypsum Board | ~3% | No | Low |
Durability
Durability affects how long materials last. Flexible gypsum board is light and easy to use. But it doesn’t hold up well in tough conditions. It’s best for indoor spaces with less wear and tear.
MgO board is strong and lasts longer. It works well in hard conditions and needs fewer replacements. But, in wet areas, its chloride content can cause rust in nearby metal. Using MgSO4 boards solves this problem. These boards have no chloride and last longer.
Durability Notes:
Flexible gypsum board is good indoors but not in tough conditions.
MgO board is strong but needs care in wet places.
MgSO4 boards avoid rust and last longer.
Cost
When planning a building project, knowing material costs is important. Flexible gypsum board is cheaper than MgO board. Its low price makes it great for tight budgets. MgO board costs more because it is fireproof and durable.
Here’s a simple cost comparison per square foot:
Material | Average Cost per Square Foot |
---|---|
MgO Boards | |
Gypsum Boards | $0.50 – $1.00 |
Flexible gypsum board is affordable for basic uses. MgO board, though pricier, lasts longer and needs less fixing. Think about upfront costs and long-term savings when choosing.
Environmental Impact
The environment matters when picking building materials. Flexible gypsum board and MgO board differ in eco-friendliness. Flexible gypsum board uses natural materials but can harm landfills if not disposed of properly. MgO board is recyclable and even absorbs CO2 during production, making it greener.
Here’s a comparison of their environmental impact:
Environmental Impact | MgO Board | Gypsum Board |
---|---|---|
Eco-Friendliness | Made from recyclable materials, absorbs CO2 during production, meets green building standards | Natural materials but can cause landfill issues if not disposed of properly |
If you care about the environment, MgO board is the better choice.
Ease of Installation
How easy a material is to install affects time and cost. Flexible gypsum board is light and simple to use. It’s perfect for quick jobs or DIY projects. You only need basic tools, and most workers know how to install it. This saves time and money.
MgO board is heavier and harder to work with. Cutting it needs special tools like diamond-tipped blades. Workers also need safety gear, which makes the job harder and more expensive. Here’s a breakdown of installation needs:
Flexible Gypsum Board:
Lightweight and easy to carry.
Great for fast jobs and DIY projects.
Needs only basic tools to install.
Many workers already know how to use it.
MgO Board:
Heavier and harder to handle.
Needs special tools like diamond-tipped blades.
Workers must wear safety gear.
Requires skilled workers, raising labor costs.
For quick and easy jobs, flexible gypsum board is best. But for tough projects, MgO board is worth the extra effort.
Applications of Flexible Gypsum Board and MgO Board

Common Uses for Flexible Gypsum Board
Flexible gypsum board is useful for creative and practical designs. It works well for curved walls, ceilings, and unique features. Its light weight makes it easy to carry and install. This board is often picked for homes and offices where looks and function matter.
In special projects, flexible gypsum board solves unique problems. For example, Tacoma Hospital used it to make quiet emergency rooms. This helped patients heal and gave them privacy. Tundra Lodge Resort fixed noise problems by adding QuietRock® to walls. This made guests happier. Universal Music Group improved sound in music rooms with it. They saved space and money while boosting sound quality.
Project Name | Description | Link |
---|---|---|
Tacoma Hospital | Quiet rooms made for healing and privacy in emergencies. | |
Tundra Lodge Resort | Solved noise issues with QuietRock®, making guests happier. | |
Universal Music Group | Improved sound in music rooms while saving space and cost. |
Common Uses for MgO Board
MgO board is strong and fireproof, perfect for tough jobs. It’s great for fire-rated walls, ceilings, and floors in buildings. Its water resistance makes it ideal for bathrooms, basements, and coastal areas. MgO board is also eco-friendly, fitting green building rules.
In demanding places, MgO board is a top choice. Schools, hospitals, and factories use it for safety and strength. It protects against fire and meets building codes. It also stops mold and mildew in wet areas. Whether for fireproof walls or water-resistant spaces, MgO board lasts long and works well.
Pros and Cons of Flexible Gypsum Board and MgO Board
Advantages of Flexible Gypsum Board
Flexible gypsum board has many benefits for building projects. It is light, making it easy to carry and install. This saves time and effort during construction. Its ability to bend makes it perfect for curved walls and ceilings. This allows for creative and unique designs.
This board is also durable and resists some moisture. These features improve how well it works in different spaces. Flexible gypsum board looks good and comes in various finishes. You can choose custom colors and textures for your project. It works well in homes and offices.
Projects finish faster, allowing quicker use of spaces.
It is light and easy to move around job sites.
Installation is faster and more precise, saving time.
Less waste is created due to custom sizes and cuts.
Flexible gypsum board is affordable, making it great for tight budgets. It also reduces noise, which is helpful in quiet spaces like offices or bedrooms.
Disadvantages of Flexible Gypsum Board
Despite its benefits, flexible gypsum board has some downsides. It doesn’t work well in very wet or humid areas. Long exposure to water can cause damage or mold. This limits its use in bathrooms, basements, or near the coast.
It is also not very strong in tough conditions. It’s best for indoor spaces with little wear and tear. For projects needing extra strength or weather resistance, other materials are better.
Advantages of MgO Board
MgO board is strong and fireproof, making it very safe. It can handle high heat without burning. This makes it great for fire-rated walls, ceilings, and floors. It meets safety rules for schools, hospitals, and factories.
It also resists water well, absorbing very little moisture. This makes it perfect for wet places like bathrooms or basements. It stops mold and mildew, keeping spaces healthier.
It is eco-friendly, made from recyclable materials, and absorbs CO2.
It lasts a long time, needing fewer repairs or replacements.
It works well in tough conditions and outdoor spaces.
MgO board is versatile and reliable for demanding projects. Whether you need fireproof walls or water-resistant materials, MgO board is a smart choice.
Disadvantages of MgO Board
MgO board has many good features, but it also has some downsides. These issues can affect how well it works, its cost, and how easy it is to use.
Inconsistent Quality Across Boards
MgO boards can vary in quality and strength. Some parts of a board may be weaker than others. This happens when the materials are not mixed well during production. Because of this, it’s hard to know how the board will perform under pressure.Challenges in Structural Applications
Using MgO boards for strong structures can be tricky. It’s not always clear how they will hold up under heavy loads. They might bend, crack, or break in different ways, like buckling or splitting. This makes them less reliable for tough building projects.Higher Installation Complexity
MgO boards are heavier than flexible gypsum boards, making them harder to lift. Cutting them needs special tools, like diamond-tipped blades. Workers also need safety gear to avoid breathing in harmful dust. This makes installation slower and more expensive.Potential Corrosion Issues
Some MgO boards have chloride, which can make nearby metal rust. This is a problem in wet or humid places. MgSO4 boards don’t have chloride, so they avoid this issue. But they can be harder to find and may cost more.
Tip: Buy MgO boards from trusted brands to avoid quality problems. This can help reduce risks and improve performance.
Higher Initial Cost
MgO boards cost more than flexible gypsum boards. Their price is higher because they are stronger, fireproof, and resist water better. But for some projects, these features might not be worth the extra money.
Knowing these drawbacks can help you decide if MgO boards are right for your project. While they are great in many ways, their downsides might not work for every situation. Always think about your project’s needs before choosing.
When picking between flexible gypsum board and MgO board, think about your project. Flexible gypsum board is light and affordable, great for curved designs. It’s easy to install, making it perfect for creative projects. MgO board is strong, fireproof, and resists water well. It’s best for wet places or fire-safe buildings. Both materials have unique strengths. Consider your budget, design needs, and performance goals to choose wisely.
FAQ
What makes flexible gypsum board different from MgO board?
Flexible gypsum board is light and great for curved designs. MgO board is stronger, fireproof, and resists water. Use flexible gypsum board for creative indoor projects. Pick MgO board for fire-safe or wet areas.
Can flexible gypsum board be used in wet places?
Flexible gypsum board can handle some moisture but not a lot. Water over time can damage it or cause mold. For wet areas, MgO board works better because it resists water well.
Which material is better for the environment?
MgO board is greener. It’s made from recyclable materials and absorbs CO2. Flexible gypsum board uses natural gypsum but can add waste to landfills if not disposed of properly.
Is MgO board harder to install than flexible gypsum board?
Yes, MgO board is heavier and needs special tools to cut. Workers also need safety gear. Flexible gypsum board is lighter and easier to install, making it good for quick or DIY jobs.
Which material costs less?
Flexible gypsum board is cheaper, costing $0.50 to $1.00 per square foot. MgO board costs more, at $1.50 to $2.50 per square foot. However, MgO board lasts longer and may save money over time.