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A calcium sulphate raised floor is a type of access flooring system made from calcium sulphate (CaSO4) panels, also known as gypsum-based panels. These floors are widely used in commercial and technical environments like data centers, offices, laboratories, and clean rooms, where underfloor space is needed for mechanical and electrical services.
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Key Features of Calcium Sulphate Raised Floors:
1. Material Composition:
* Made primarily from calcium sulphate (anhydrite or dihydrate).
* Often reinforced with fibers (e.g. cellulose) to enhance strength and stability.
* High-density panels: typically around 1,500-1,800 kg/m³.
2. Structural Benefits:
* High load-bearing capacity.
* Excellent dimensional stability.
* Fire-resistant (typically rated to 30-60 minutes or more, depending on build).
3. Environmental & Acoustic Performance:
* Eco-friendly (can be made from recycled materials).
* Low VOC emissions (good for indoor air quality).
* Good acoustic insulation properties.
4. Finish & Compatibility:
* Compatible with various floor coverings: carpet, vinyl, laminate, HPL, tiles, etc.
* Can be used with bare finish or laminated panels depending on application.
5. Moisture Resistance:
* Better than woodcore panels but not as good as cementitious or aluminum-based panels.
* Suitable for general office and commercial use, but not ideal in high-humidity areas unless sealed properly.
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Advantages:
* Non-combustible material
* Excellent fire and acoustic properties
* Environmentally friendly
* Dimensionally stable over time
Limitations:
* Heavier than woodcore panels (more structural consideration)
* Sensitive to prolonged moisture exposure
* Typically more expensive than standard woodcore options
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Common Applications:
* Office buildings
* Call centers
* IT rooms & server rooms
* Clean rooms
* Control rooms
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