
13 Jul 3 Ways Magnesium Oxide Sheathing Board Makes Homes Safer
Table of Contents
- 1 Key Takeaways
- 2 1. Fire Resistance
- 3 2. Mould and Moisture Resistance with Magnesium Oxide Sheathing Board
- 4 3. Structural Integrity
- 5 FAQ
- 5.1 What is magnesium oxide sheathing board made from?
- 5.2 Can you paint or tile over magnesium oxide sheathing board?
- 5.3 Where should you use magnesium oxide sheathing board in your home?
- 5.4 Is magnesium oxide sheathing board safe for people with allergies?
- 5.5 How does magnesium oxide sheathing board help the environment?
You want your home to be safe and healthy. Magnesium oxide sheathing board gives you strong protection in three key ways:
It resists fire and does not burn easily.
It blocks mould and moisture, keeping your walls dry.
It adds strength to your home’s structure. You can use this eco-friendly board in many parts of your house.
Key Takeaways
Magnesium oxide sheathing board is very good at stopping fire. It does not catch fire, so your home is safer in emergencies.
This board keeps out mould and water. It helps walls stay dry and lets your family breathe cleaner air.
It makes your home stronger and tougher. Walls, floors, and ceilings become more steady and last longer.
You can use magnesium oxide sheathing board in wet or dry places. It works well in kitchens, bathrooms, basements, and on outside walls.
Picking this eco-friendly board helps make your home safer and healthier. It also lasts longer and is better for the environment.
1. Fire Resistance
Non-combustible
You want your home to be safe from fire. Magnesium oxide sheathing board helps protect your house. It does not catch fire. This board has a Euroclass A1 fire rating, so it is non-combustible. You can trust it will not make a fire worse. Many old boards, like plasterboard, can burn or get weak in heat. Magnesium oxide sheathing board stays strong even when it gets very hot.
Tip: Always look for the Euroclass A1 rating when picking building materials for fire safety.
Fire Spread
Stopping fire from moving is important for safety. Magnesium oxide sheathing board works as a barrier. It slows down flames from spreading to other rooms. Plasterboard and cement boards can help, but they are not as good as magnesium oxide sheathing board. You have more time to get out if a fire starts.
Material Type | Fire Rating | Combustibility |
---|---|---|
Plasterboard | B or lower | Combustible |
Cement Board | A2 | Limited combustibility |
Magnesium Oxide Board | A1 | Non-combustible |
Home Safety
You want to feel safe at home. Magnesium oxide sheathing board gives extra protection. It helps keep your family safe by lowering fire risks. You can use it in kitchens, hallways, and escape paths. This board does not give off toxic smoke in a fire. You get a safer and healthier home.
Note: Picking the right sheathing board can really help in an emergency.
2. Mould and Moisture Resistance with Magnesium Oxide Sheathing Board

Mould Prevention
You want to keep your home free from mould. Mould can grow quickly in damp places. Magnesium oxide sheathing board helps you stop this problem. The board does not feed mould or mildew. It stays dry and clean, even in wet conditions. You can use it in bathrooms, kitchens, and basements. These rooms often have more moisture. When you use this board, you lower the risk of mould growing behind your walls.
Tip: Use magnesium oxide sheathing board in areas where you see condensation or leaks.
Moisture Barrier
Water can damage many building materials. Plasterboard and wood can soak up water and become weak. Magnesium oxide sheathing board acts as a strong barrier. It does not absorb water easily. The board keeps its shape and strength, even if it gets wet. You can use it in places where water splashes or steam builds up. For example, you can install it behind tiles in showers or near sinks.
Area | Common Problem | Solution |
---|---|---|
Bathroom | High humidity | Magnesium oxide sheathing board |
Kitchen | Steam and spills | Magnesium oxide sheathing board |
Basement | Damp walls | Magnesium oxide sheathing board |
Health Impact
Mould in your home can cause health problems. You might get allergies, coughs, or breathing trouble. By using magnesium oxide sheathing board, you help keep the air in your home cleaner. The board blocks mould and mildew, so you and your family can breathe easier. You also avoid the musty smell that comes from damp walls. Always choose high-quality boards. Good manufacturing makes sure the board stays strong and does not break down over time.
Note: Check that your magnesium oxide sheathing board comes from a trusted supplier. Quality matters for long-term safety.
3. Structural Integrity
Strength
You want your home to be strong for a long time. Magnesium oxide sheathing board makes your walls, floors, and ceilings stronger. You can use it with timber frames, steel frames, or SIPs. SIPs use sheathing boards to make panels that work like steel columns. These panels help your home stay firm and not bend or get crushed. Your building stays steady, even when it holds heavy things.
Feature | Magnesium Oxide (MgO) Boards | Plywood | |
---|---|---|---|
Fire Resistance | Non-combustible; withstands high heat without burning | Combustible unless treated | Easily burns and chars |
Moisture Resistance | Highly resistant to water, mould, and mildew | Swells and moulds when wet | Warps when soaked |
Durability | Very strong; impact resistant | Strong but weakens with moisture | Strong but prone to splitting |
Applications | Suitable for walls, floors, ceilings, and exterior use | Used for floors, roofs, and walls | Used for furniture, floors, walls |
Tip: Pick magnesium oxide sheathing board if you need more strength and safety.
Weather Resistance
The UK has lots of rain, wind, and cold. These things can harm normal boards. Magnesium oxide sheathing board does not swell, bend, or rot when wet. You can use it outside or in damp places. The board keeps its shape and helps your home, even after storms or heavy rain.
Use it for:
Outside walls
Roof linings
Basements
Durability
You want a building material that lasts a long time. Magnesium oxide sheathing board does not break easily and stays strong. It is light, so you can move and fit it without trouble. The board is good for the environment because it uses fewer resources and makes less waste. Some boards can break or be hard to fix, so always buy good ones from trusted sellers.
Note: Always follow the maker’s instructions for best results and long-lasting boards.
You can make your home safer by choosing the right materials. Here are the top three reasons:
You get strong fire resistance for better protection.
You stop mould and moisture from harming your walls.
You add strength and durability to your home’s structure.
Eco-friendly boards help you build a healthier and longer-lasting home. Consider these benefits when you plan your next project.
FAQ
What is magnesium oxide sheathing board made from?
You get magnesium oxide sheathing board from natural minerals. Manufacturers mix magnesium oxide with other safe materials. The board does not use harmful chemicals. You can trust it for healthy homes.
Can you paint or tile over magnesium oxide sheathing board?
Yes, you can paint or tile over it. The surface holds paint and tiles well. You get a smooth finish. Always follow the maker’s advice for best results.
Where should you use magnesium oxide sheathing board in your home?
You can use it in kitchens, bathrooms, basements, and outside walls. The board works well in wet or dry places. It gives you strong protection everywhere.
Is magnesium oxide sheathing board safe for people with allergies?
Yes, it is safe. The board does not support mould or mildew. You get cleaner air in your home. People with allergies can breathe easier.
How does magnesium oxide sheathing board help the environment?
Magnesium oxide sheathing board uses fewer resources. It lasts longer than many other boards. You create less waste and help protect the planet.