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What are the major advantages of using drainage cells?
Drainage cells provide several important advantages over conventional gravel drainage systems. One of the most significant benefits is their lightweight construction. Compared to thick gravel layers, drainage cells dramatically reduce the weight placed on structures such as rooftop gardens, podium decks, and elevated landscapes while maintaining excellent drainage capacity. This reduction in dead load simplifies structural design and lowers construction costs. Another major advantage is space efficiency. Drainage cells provide high water flow capacity within a relatively thin profile, reducing excavation depth and maximizing usable planting soil above the drainage layer. Installation is faster because lightweight modular panels are easy to transport, cut, and assemble. Unlike gravel, drainage cells require less material handling and significantly reduce labor requirements.
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