While vegetative or green roofing systems and porous driveway systems promise great benefits, they don't always deliver. Often, Grasscrete, Grasspave, and other cellular paving systems are defectively installed, or placed in inappropriate locations leading to extensive water intrusion into structures, and resulting damage, including mold. Likewise, many green or living roofs are designed and installed defectively, leading to water intrusion into homes, offices, and other structures.

Negligence