AAC broken bottom slabs (also called AAC rubble or broken blocks) are damaged or leftover pieces of Autoclaved Aerated Concrete used primarily as a lightweight, low-cost filling material in construction. They replace traditional heavy fillers like brickbats, cinder, or coal lumps.
Key Benefits
- Lightweight: Reduces dead load on structural slabs compared to traditional rubble or soil.
- Durable: Cement-based material that gains strength over time without rotting or decomposing like organic or coal fillers.
- Insulating: Offers good thermal and sound insulation properties.
- Pest-Free: Does not attract termites, rodents, or fungal growth.
Common Uses
- Sunken floor filling in bathrooms and toilet decks
- Roof garden and terrace filling
- Void filling in lobbies and depressed structural slabs
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