Hollowcore slabs are prestressed and precast concrete elements, manufactured using long line steel casting pallets. They are typically 1200mm wide (but can range from 600mm – 2400mm), and between 150mm – 500mm deep.
Spans can be anywhere up to around 20m, and applications range from individual houses to residential apartments, office buildings, hotels, schools, hospitals, supermarkets, industrial units and car parks.
Longitudinal voids, or cores, run throughout a hollowcore slab. These reduce raw material consumption, the self-weight of slabs themselves and provide ready-made ducts for services.
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