Filler slab technology offers a smart and budget-friendly approach to construction by reducing the weight of the slab without compromising on strength. The idea is simple: instead of using solid concrete throughout, lightweight filler materials are introduced into the lower half of the slab, where they serve as a support without adding unnecessary weight.
In a filler slab, the upper portion bears the compressive forces, while the lower part deals with tensile forces. Traditional concrete is replaced with materials like clay pots, Mangalore tiles, bricks, and more. These materials are carefully chosen to provide adequate support while keeping the structure lightweight.
Choosing the right filler material is crucial for the success of filler slab construction. The material should be non-reactive, fit the reinforcement spacing, absorb minimal water, and be lightweight. Collaboration among stakeholders ensures a smooth process, avoiding last-minute compromises that could lead to issues like rusted rebars or leaks.
To align with sustainability goals, filler materials are often recycled or repurposed waste products. Some commonly used materials include Mangalore tiles, clay pots, bricks, discarded bottles, coconut shells, and even cyber wastes like keyboards. Utilizing local resources helps cut costs and reduces environmental impact.
The casting process for filler slabs follows standard procedures, with the filler material soaked in water beforehand to prevent water absorption from the concrete. The slab is then cast using cement concrete, similar to conventional methods, ensuring proper reinforcement placement based on the filler material’s size and design requirements.
Filler slabs are approximately 20% cheaper than traditional RCC slabs due to reduced material and steel usage.
The air pockets created by filler materials provide excellent insulation, maintaining comfortable temperatures indoors.
With proper quality control, filler slabs are strong and long-lasting.
Utilizing waste materials reduces environmental impact and carbon footprint by 20%.
Well-designed filler slabs enhance the appearance of ceilings, adding to the overall aesthetics of a space.
Constructing filler slabs requires specialized knowledge to avoid errors.
Improper cover for reinforcement may lead to rust if in contact with certain filler materials like clay.
Proper terrace slope planning and regular maintenance are essential to prevent water-related issues.
In conclusion, filler slabs offer a promising solution for sustainable and cost-effective construction, but careful planning, expertise, and maintenance are crucial for their success.