Magnesite Floor Removal Sydney
Magnesite Floor Removal Sydney
If your home was built in the 1920s-1980s, it is likely that your home has Magnesite Flooring. Magnesite Flooring is a specialised cementitious product that is based on Magnesium Oxychloride (or Magnesium Oxysulphate) cement. The most common form involves the reaction between a Magnesium Chloride solution and Magnesium Hydroxide powder to form the cement binder. The finished product also contains a filling material which is commonly sawdust, wood fibers, cork, or can also contain ASBESTOS. Colourants may have also been added.
The product is mixed and then poured onto the surface to be topped. Magnesite Flooring is normally at least 10mm – 25mm thick. But can get up to 50mm thick if two coats have been poured. Magnesite was applied to the top of concrete ground floors in unit blocks. It has been commonly used in homes built in the ’20s, and ’30s and was still used up into the ’80s.
Magnesite Flooring was commonly used as a Floor Levelling compound from the 1920s to the 1980s. Magnesite Flooring is not used anymore, but because it was present in a lot of older buildings throughout Sydney and NSW, it means that Magnesite Flooring contractors will come across it quite often, so knowing how to deal with it when the issue comes up is very important.
Magnesite is a form of cement, created through magnesium oxychloride. What makes Magnesite Flooring different from normal cement is that fillers and aggregates such as wood chips or sawdust have been added to it sometimes it may also have asbestos. Magnesite Flooring was mainly used in Sydney, as a slab topping or an underlay to carpet and other forms of floor coverings.
Magnesite is extremely rich in chlorides, resulting in problems of sweating, diffusion of chloride ions into the concrete substrate, and metal corrosion, usually seen as lumps appearing below the carpet or cracks in the floor tiles.
There are many issues with having Magnesite Flooring in your property which is why it is now recommended to remove it ASAP.
Magnesite Flooring is not a floor covering an individual unit owner would have installed. It would have been laid to level the slab and act as a soundproofing agent. It doesn’t get used anymore, due to its destruction of concrete slabs through Concrete Cancer, its general lack of waterproofing, and it is known to possibly contain ASBESTOS.
Because Magnesite Flooring is water-soluble, it will return to its previous state should it be exposed to enough water. Magnesite Flooring is also quite flexible, meaning that it is not suitable to be overlaid with a smoothing compound, making it unsuitable to be used with all types of floor coverings.
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Magnesite Flooring Removal is moisture-sensitive and will gradually break down if it remains wet for an extended period. Magnesite will swell up and the filler can also rot and produce unpleasant odours. The product is mixed and then poured onto the surface to be topped. Magnesite flooring is normally at least 10mm – 25mm thick.
But can get up to 50mm thick if two coats have been poured. Magnesite, which was commonly used as a floor topping or floor levelling product. There are thousands of buildings built between the 1920s and 1980s with Magnesite Floor toppings that are now facing large Concrete Cancer repair bills due to homeowners and strata not removing Magnesite from properties early enough and repairing the damage early on.
It is not a suitable material to simply be overlaid by a smoothing compound as it has most likely been down for such a long time that the effects of it have most likely already started to damage your subfloor.
Just like any other ASBESTOS containing building materials, it was a useful product for a range of materials but unfortunately, time revealed that it is a health hazard and structural hazard that can cause Concrete Cancer. Forcing residents to remove this harmful material from their homes to avoid further structural damage.
However, you can’t encapsulate Magnesite Flooring, as they are so vulnerable to deterioration when exposed to water. Obviously, if you tried to encapsulate by pouring a screed (such as Ardex) over the top, then you’d be introducing large amounts of construction moisture into the Magnesite.
The underlying Magnesite, would then most likely turn to a Weetabix-type consistency, and start to break up, leaving you with no suitable substrate support below the screed. The water penetrates the Magnesite Flooring or where there is an inadequate slab membrane, the material absorbs moisture which results in Concrete Cancer.
Magnesite Floor Removal
Magnesite Floor Removal is a plague throughout Sydney’s older apartment developments. They have a topping of Magnesite Floor displays a brown finish that’s often damp from absorbing moisture.
Magnesite Floor Removal is a MUST as long-term exposure to moisture that occurs in household kitchens, bathrooms, laundries, or balconies, as well as windows can lead to the Magnesite Floor releasing harmful chlorides.
Which will start to damage the material as well as the concrete and steel reinforcing beams, causing corrosion and the material to disintegrate, crack, and lump. When this occurs a few decades after installation, the Magnesite must be removed and the damaged areas treated or removed.
Magnesite Floor Removal Sydney offers Magnesite Floor Removal services to ensure that your home is repaired of any issues caused by the Magnesite such as Concrete Cancer.
We will also do a free inspection once the Magnesite Floor Removal process has been completed, we inspect the concrete slab for any damage from the Magnesite Flooring such as Concrete Cancer/Concrete Spalling.
Our professionals are experts in Magnesite Floor Removal, so they have the expertise and skills to remove Magnesite Floor toppings from concrete floors and deal with the damage appropriately in a safe and efficient manner.
Our experts at Magnesite Floor Removal Sydney use high-quality equipment and tools to ensure that you can restore your concrete slab to a safe and usable condition which will be ready for the reinstallation of a new flooring system.