Graf Carat basic underground tank Unique manufacturing process Maximum stability thanks to... more

Graf Carat basic underground tank

Unique manufacturing process
Maximum stability thanks to state-of-the-art manufacturing
Unique precision fit of the components thanks to a new production process
Rotatable tank dome for easy alignment with the connecting lines
Constant quality thanks to production monitoring
Can be driven over by car or truck (in conjunction with telescopic dome shaft cast or truck)
Groundwater stable up to the middle of the tank thanks to extremely stable construction
Easy to transport thanks to low weight and all-round H-profiling
Investment security thanks to 25-year guarantee - compare with other rainwater tank manufacturers!
Made from the high-quality material Duralen, easily recyclable
The Carat rainwater tank can be expanded as required
Groundwater stable at 800 mm earth cover due to extremely stable construction (2700 l, 3750 l up to tank shoulder, 4800 l, 6500 l up to tank center